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0000-0002-8635-8390In the previous post, I noted that a chemistry publisher is about to repeat an earlier experiment in serving pre-prints of journal articles. It would be fair to suggest that following the first great period of journal innovation, the boom...
0000-0002-8635-8390This week the ACS announced its intention to establisha ChemRxiv preprint server to promote early research sharing“. This was first tried quite a few years ago, following the example of especially the physicists. As I recollect the...
0000-0002-8635-8390The previous post contained an exploration of the anomeric effect as it occurs at an atom centre X for which the effect is manifest in crystal structures. Here Iquantify the effect, by selecting the test molecule MeO-X-OMe, where X is of...

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On 8th August this year, I posted on a fascinating article that had just appeared in Science (DOI:10.1126/science.1188002), in which the crystal structure was reported of two small molecules,1,3-dimethyl cyclobutadieneandcarbon dioxide, entrapped together inside...
It is not often that an article on the topic of illusion and deception makes it into a chemical journal. Such is addressed (DOI:10.1002/anie.201102210) in no less an eminent journal than Angew Chemie. The illusion (or deception if you will) actually goes to...
Do you fancy a story going from simplicity to complexity, if not absurdity, in three easy steps? Read on! The following problem appears in one of our (past) examination questions in introductory organic chemistry. From relatively mundane beginnings, one can...

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I was all set to write a review of an interesting study of bowtiene 1: its rearrangement to other C10H6 isomers and its dimerization. But as I was gathering my information, I wanted to prepare the images of the optimized geometries, and so I went to get the...
Contributed by Steven Bachrach.Reposted from Computational Organic Chemistry with permissionA short note here mainly to call to the readers attention a fascinating trialogue on the C2 molecule.1Shaik, Danovich, Wu, Su, Rzepa, and Hiberty2 recently...
A short note here mainly to call to the readers attention a fascinating trialogue on the C2 molecule.1 Shaik, Danovich, Wu, Su, Rzepa, and Hiberty2 recently presented a full CI study of C2 and concluded that the molecule contains a quadruple bond (see my previous...