{"id":9119,"date":"2013-01-13T09:15:37","date_gmt":"2013-01-13T09:15:37","guid":{"rendered":"http:\/\/www.ch.imperial.ac.uk\/rzepa\/blog\/?p=9119"},"modified":"2013-02-14T08:07:13","modified_gmt":"2013-02-14T08:07:13","slug":"the-strangely-attractive-conformation-of-c17h36","status":"publish","type":"post","link":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119","title":{"rendered":"The strangely attractive conformation of C17H36."},"content":{"rendered":"<div class=\"kcite-section\" kcite-section-id=\"9119\">\n<p>We tend to think of simple hydrocarbons as relatively inert and un-interesting molecules. However, a recent article<span id=\"cite_ITEM-9119-0\" name=\"citation\"><a href=\"#ITEM-9119-0\">[1]<\/a><\/span>, which was in fact <a href=\"http:\/\/comporgchem.com\/blog\/?p=2366\" target=\"_blank\">highlighted<\/a> by Steve Bachrach on his blog , asks what &#8220;<em>The Last Globally Stable Extended Alkane<\/em>&#8221; might be. In other words, at what stage does a straight-chain hydrocarbon fold back upon itself, and no significant population of the linear form remain? The answer was suggested to be C<sub>17<\/sub>H<sub>36<\/sub>. I thought I might subject this conformation to an NCI (non-covalent-interaction) analysis.<\/p>\n<div id=\"attachment_9120\" style=\"width: 413px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-9120\" class=\" wp-image-9120 \" onclick=\"jmolInitialize('..\/Jmol\/');jmolSetAppletColor('black');jmolApplet([450,450],'load wp-content\/uploads\/2013\/01\/C17_den.cub.xyz;isosurface wp-content\/uploads\/2013\/01\/C17_den.cub.jvxl;zoom 130;measure 27 20;measure 20 34;measure 34 32;measure 43 50;measure 22 29;measure 32 22;measure 45 47;');\" alt=\"NCI analysis. Click for  3D.\" src=\"http:\/\/www.ch.imperial.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2013\/01\/C17.jpg\" width=\"403\" height=\"226\" \/><p id=\"caption-attachment-9120\" class=\"wp-caption-text\">NCI analysis. Click for 3D.<\/p><\/div>\n<p>The colour coding for the <a href=\"http:\/\/hdl.handle.net\/10.6084\/m9.figshare.106658\" target=\"_blank\">NCI surface<\/a> is such that towards blue is attractive, with green being mildly attractive and yellow mildly repulsive. Both blue and yellow can be seen at the point where the molecule bends round, and attractive green dominates the region where the two chains are parallel. Much in the manner of a Gekko&#8217;s feet<span id=\"cite_ITEM-9119-1\" name=\"citation\"><a href=\"#ITEM-9119-1\">[2]<\/a><\/span>, the <a href=\"https:\/\/wiki.ch.ic.ac.uk\/wiki\/index.php?title=Coursework#Coursework_not_to_be_attempted_at_any_time:_Antimodelling_Molecules\" target=\"_blank\">strangely attractive van der Waals<\/a> terms in a hydrocarbon are surprisingly cumulative! \u00a0You can generate an NCI surface for your favourite molecule <a href=\"http:\/\/www.ch.ic.ac.uk\/rzepa\/cub2nci\/\" target=\"_blank\">here<\/a>.<\/p>\n<p><strong>Addendum:<\/strong> \u00a0To show that NCI interactions are pretty additive, here is \u00a0<a href=\"http:\/\/hdl.handle.net\/10.6084\/m9.figshare.106718\" target=\"_blank\">C<sub>28<\/sub>H<sub>58<\/sub><\/a>:<\/p>\n<div id=\"attachment_9131\" style=\"width: 384px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-9131\" class=\" wp-image-9131 \" onclick=\"jmolInitialize('..\/Jmol\/');jmolSetAppletColor('red');jmolApplet([450,450],'load wp-content\/uploads\/2013\/01\/C28_den.cub.xyz;isosurface wp-content\/uploads\/2013\/01\/C28_den.cub.jvxl;zoom 130;');\" alt=\"C28 double hairpin. Click for  3D.\" src=\"http:\/\/www.ch.imperial.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2013\/01\/C28.jpg\" width=\"374\" height=\"317\" \/><p id=\"caption-attachment-9131\" class=\"wp-caption-text\">C28 double hairpin. Click for 3D.<\/p><\/div>\n<h2>References<\/h2>\n    <ol class=\"kcite-bibliography csl-bib-body\"><li id=\"ITEM-9119-0\">N.O.B. L\u00fcttschwager, T.N. Wassermann, R.A. Mata, and M.A. Suhm, \"The Last Globally Stable Extended Alkane\", <i>Angewandte Chemie International Edition<\/i>, vol. 52, pp. 463-466, 2012. <a href=\"https:\/\/doi.org\/10.1002\/anie.201202894\">https:\/\/doi.org\/10.1002\/anie.201202894<\/a>\n\n<\/li>\n<li id=\"ITEM-9119-1\">J. Yu, S. Chary, S. Das, J. Tamelier, N.S. Pesika, K.L. Turner, and J.N. Israelachvili, \"Gecko\u2010Inspired Dry Adhesive for Robotic Applications\", <i>Advanced Functional Materials<\/i>, vol. 21, pp. 3010-3018, 2011. <a href=\"https:\/\/doi.org\/10.1002\/adfm.201100493\">https:\/\/doi.org\/10.1002\/adfm.201100493<\/a>\n\n<\/li>\n<\/ol>\n\n<\/div> <!-- kcite-section 9119 -->","protected":false},"excerpt":{"rendered":"<p>We tend to think of simple hydrocarbons as relatively inert and un-interesting molecules. However, a recent article, which was in fact highlighted by Steve Bachrach on his blog , asks what &#8220;The Last Globally Stable Extended Alkane&#8221; might be. In other words, at what stage does a straight-chain hydrocarbon fold back upon itself, and no [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":5,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[],"tags":[17,20,373],"ppma_author":[2661],"class_list":["post-9119","post","type-post","status-publish","format-standard","hentry","tag-conformational-analysis","tag-steve-bachrach","tag-tutorial-material"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The strangely attractive conformation of C17H36. - Henry Rzepa&#039;s Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The strangely attractive conformation of C17H36. - Henry Rzepa&#039;s Blog\" \/>\n<meta property=\"og:description\" content=\"We tend to think of simple hydrocarbons as relatively inert and un-interesting molecules. However, a recent article, which was in fact highlighted by Steve Bachrach on his blog , asks what &#8220;The Last Globally Stable Extended Alkane&#8221; might be. In other words, at what stage does a straight-chain hydrocarbon fold back upon itself, and no [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119\" \/>\n<meta property=\"og:site_name\" content=\"Henry Rzepa&#039;s Blog\" \/>\n<meta property=\"article:published_time\" content=\"2013-01-13T09:15:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2013-02-14T08:07:13+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.ch.imperial.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2013\/01\/C17.jpg\" \/>\n<meta name=\"author\" content=\"Henry Rzepa\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Henry Rzepa\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"The strangely attractive conformation of C17H36. - Henry Rzepa&#039;s Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119","og_locale":"en_GB","og_type":"article","og_title":"The strangely attractive conformation of C17H36. - Henry Rzepa&#039;s Blog","og_description":"We tend to think of simple hydrocarbons as relatively inert and un-interesting molecules. However, a recent article, which was in fact highlighted by Steve Bachrach on his blog , asks what &#8220;The Last Globally Stable Extended Alkane&#8221; might be. In other words, at what stage does a straight-chain hydrocarbon fold back upon itself, and no [&hellip;]","og_url":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119","og_site_name":"Henry Rzepa&#039;s Blog","article_published_time":"2013-01-13T09:15:37+00:00","article_modified_time":"2013-02-14T08:07:13+00:00","og_image":[{"url":"http:\/\/www.ch.imperial.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2013\/01\/C17.jpg","type":"","width":"","height":""}],"author":"Henry Rzepa","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Henry Rzepa","Estimated reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119#article","isPartOf":{"@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119"},"author":{"name":"Henry Rzepa","@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/#\/schema\/person\/2b40f7b9c872a4dc1547e040a11b6281"},"headline":"The strangely attractive conformation of C17H36.","datePublished":"2013-01-13T09:15:37+00:00","dateModified":"2013-02-14T08:07:13+00:00","mainEntityOfPage":{"@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119"},"wordCount":215,"commentCount":5,"image":{"@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119#primaryimage"},"thumbnailUrl":"http:\/\/www.ch.imperial.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2013\/01\/C17.jpg","keywords":["conformational analysis","Steve Bachrach","Tutorial material"],"inLanguage":"en-GB","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119","url":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119","name":"The strangely attractive conformation of C17H36. - Henry Rzepa&#039;s Blog","isPartOf":{"@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119#primaryimage"},"image":{"@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119#primaryimage"},"thumbnailUrl":"http:\/\/www.ch.imperial.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2013\/01\/C17.jpg","datePublished":"2013-01-13T09:15:37+00:00","dateModified":"2013-02-14T08:07:13+00:00","author":{"@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/#\/schema\/person\/2b40f7b9c872a4dc1547e040a11b6281"},"breadcrumb":{"@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119#primaryimage","url":"http:\/\/www.ch.imperial.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2013\/01\/C17.jpg","contentUrl":"http:\/\/www.ch.imperial.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2013\/01\/C17.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=9119#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog"},{"@type":"ListItem","position":2,"name":"The strangely attractive conformation of C17H36."}]},{"@type":"WebSite","@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/#website","url":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/","name":"Henry Rzepa&#039;s Blog","description":"Chemistry with a twist","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Person","@id":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/#\/schema\/person\/2b40f7b9c872a4dc1547e040a11b6281","name":"Henry Rzepa","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/secure.gravatar.com\/avatar\/897b6740f7f599bca7942cdf7d7914af5988937ae0e3869ab09aebb87f26a731?s=96&d=blank&r=g370be3a7397865e4fd161aefeb0a5a85","url":"https:\/\/secure.gravatar.com\/avatar\/897b6740f7f599bca7942cdf7d7914af5988937ae0e3869ab09aebb87f26a731?s=96&d=blank&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/897b6740f7f599bca7942cdf7d7914af5988937ae0e3869ab09aebb87f26a731?s=96&d=blank&r=g","caption":"Henry Rzepa"},"description":"Henry Rzepa is Emeritus Professor of Computational Chemistry at Imperial College London.","sameAs":["https:\/\/orcid.org\/0000-0002-8635-8390"],"url":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?author=1"}]}},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pDef7-2n5","jetpack-related-posts":[{"id":14718,"url":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=14718","url_meta":{"origin":9119,"position":0},"title":"Interactions responsible for the lowest energy structure of the trimer of fluoroethanol.","author":"Henry Rzepa","date":"October 23, 2015","format":false,"excerpt":"Steve Bachrach on his own blog has commented on a recent article discussing the structure of the trimer of fluoroethanol. Rather than the expected triangular form with three OH---O hydrogen bonds, the lowest energy form only had two such bonds, but it matched the microwave data much better. Here I\u2026","rel":"","context":"In &quot;Interesting chemistry&quot;","block_context":{"text":"Interesting chemistry","link":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?cat=4"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":12261,"url":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=12261","url_meta":{"origin":9119,"position":1},"title":"A connected world (journals and blogs): The benzene dication.","author":"Henry Rzepa","date":"April 10, 2014","format":false,"excerpt":"Science is rarely about a totally new observation or rationalisation, it is much more about making connections between known facts, and perhaps using these connections to extrapolate to new areas (building on the shoulders of giants, etc). So here I chart one example of such connectivity over a period of\u2026","rel":"","context":"In &quot;Hypervalency&quot;","block_context":{"text":"Hypervalency","link":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?cat=7"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4278,"url":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=4278","url_meta":{"origin":9119,"position":2},"title":"Metallic carbon nanotori","author":"Henry Rzepa","date":"June 2, 2011","format":false,"excerpt":"The interface between physics, chemistry (and materials science) can be a fascinating one. Here I show a carbon\u00a0nanotorus, devised by physicists a few years ago.\u00a0It is a theoretical species, and was predicted to have a colossal paramagnetic moment. At 1364 carbon atoms, it is a little too big to calculate\u2026","rel":"","context":"In &quot;General&quot;","block_context":{"text":"General","link":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?cat=1"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.ch.imperial.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2011\/06\/carbon-nanotorus.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1210,"url":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=1210","url_meta":{"origin":9119,"position":3},"title":"The nature of the C\u2261S triple bond","author":"Henry Rzepa","date":"December 1, 2009","format":false,"excerpt":"Steve Bachrach has just blogged on a recent article (DOI: 10.1002\/anie.200903969) claiming the isolation of a compound with a C\u2261S triple bond; Steve notes that Schreiner and co claim a \u201cstructure with a rather strong CS double bond or a weak triple bond\u201d. With this size of molecule, the proverbial\u2026","rel":"","context":"In &quot;Hypervalency&quot;","block_context":{"text":"Hypervalency","link":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?cat=7"},"img":{"alt_text":"A compound with a CS triple bond","src":"https:\/\/i0.wp.com\/www.ch.ic.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2009\/12\/CSCC.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":20010,"url":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=20010","url_meta":{"origin":9119,"position":4},"title":"Tetrahedral carbon and cyclohexane.","author":"Henry Rzepa","date":"August 22, 2018","format":false,"excerpt":"Following the general recognition of carbon as being tetrahedrally tetravalent in 1869 (Paterno) and 1874 (Van't Hoff and Le Bell), an early seminal exploitation of this to the conformation of cyclohexane was by Hermann Sachse in 1890. This was\u00a0verified when the Braggs in 1913, followed by an oft-cited article by\u2026","rel":"","context":"In &quot;Interesting chemistry&quot;","block_context":{"text":"Interesting chemistry","link":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?cat=4"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.ch.ic.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2018\/08\/diamond.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.ch.ic.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2018\/08\/diamond.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.ch.ic.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2018\/08\/diamond.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.ch.ic.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2018\/08\/diamond.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.ch.ic.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2018\/08\/diamond.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":18555,"url":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?p=18555","url_meta":{"origin":9119,"position":5},"title":"Dispersion &#8220;bonds&#8221;: a new example with an ultra-short H&#8230;H distance.","author":"Henry Rzepa","date":"June 26, 2017","format":false,"excerpt":"About 18 months ago, there was much discussion\u00a0on this blog about a system reported by Bob Pascal and co-workers containing a short H...H contact of ~1.5\u00c5. In this system, the hydrogens were both attached to Si as Si-H...H-Si and compressed together by rings. Now a new report and\u00a0commented upon by\u2026","rel":"","context":"In &quot;Interesting chemistry&quot;","block_context":{"text":"Interesting chemistry","link":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/?cat=4"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.ch.ic.ac.uk\/rzepa\/blog\/wp-content\/uploads\/2017\/06\/201-1024x987.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"jetpack_likes_enabled":false,"authors":[{"term_id":2661,"user_id":1,"is_guest":0,"slug":"admin","display_name":"Henry Rzepa","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/897b6740f7f599bca7942cdf7d7914af5988937ae0e3869ab09aebb87f26a731?s=96&d=blank&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/index.php?rest_route=\/wp\/v2\/posts\/9119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9119"}],"version-history":[{"count":16,"href":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/index.php?rest_route=\/wp\/v2\/posts\/9119\/revisions"}],"predecessor-version":[{"id":9547,"href":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/index.php?rest_route=\/wp\/v2\/posts\/9119\/revisions\/9547"}],"wp:attachment":[{"href":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9119"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.ch.ic.ac.uk\/rzepa\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fppma_author&post=9119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}