{"type":"standard","title":"Mary Hiester Reid","displaytitle":"Mary Hiester Reid","namespace":{"id":0,"text":""},"wikibase_item":"Q16037875","titles":{"canonical":"Mary_Hiester_Reid","normalized":"Mary Hiester Reid","display":"Mary Hiester Reid"},"pageid":41813194,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Portriat_of_Mary_Hiester_Reid_by_George_Agnew_Reid_1898.jpg/330px-Portriat_of_Mary_Hiester_Reid_by_George_Agnew_Reid_1898.jpg","width":320,"height":392},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/f/fa/Portriat_of_Mary_Hiester_Reid_by_George_Agnew_Reid_1898.jpg","width":808,"height":990},"lang":"en","dir":"ltr","revision":"1287240412","tid":"e9b3c5a3-215e-11f0-ba2a-a344589b5229","timestamp":"2025-04-24T22:53:18Z","description":"American-Canadian painter (1854–1921)","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Mary_Hiester_Reid","revisions":"https://en.wikipedia.org/wiki/Mary_Hiester_Reid?action=history","edit":"https://en.wikipedia.org/wiki/Mary_Hiester_Reid?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Mary_Hiester_Reid"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Mary_Hiester_Reid","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Mary_Hiester_Reid","edit":"https://en.m.wikipedia.org/wiki/Mary_Hiester_Reid?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Mary_Hiester_Reid"}},"extract":"Mary Augusta Hiester Reid who signed her name M. H. Reid was an American-born Canadian painter and teacher. She was best known as a painter of floral still lifes, some of them called \"devastatingly expressive\" by a contemporary author, and by 1890 she was thought to be the most important flower painter in Canada. She also painted domesticated landscapes, night scenes, and, less frequently, studio interiors and figure studies. Her work as a painter is related in a broad sense to Tonalism and Aestheticism or \"art for art's sake\".","extract_html":"
Mary Augusta Hiester Reid who signed her name M. H. Reid was an American-born Canadian painter and teacher. She was best known as a painter of floral still lifes, some of them called \"devastatingly expressive\" by a contemporary author, and by 1890 she was thought to be the most important flower painter in Canada. She also painted domesticated landscapes, night scenes, and, less frequently, studio interiors and figure studies. Her work as a painter is related in a broad sense to Tonalism and Aestheticism or \"art for art's sake\".
"}{"fact":"A cat's cerebral cortex contains about twice as many neurons as that of dogs. Cats have 300 million neurons, whereas dogs have about 160 million. See, cats rule, dogs drool!","length":173}
{"type":"standard","title":"Bartell mechanism","displaytitle":"Bartell mechanism","namespace":{"id":0,"text":""},"wikibase_item":"Q4865153","titles":{"canonical":"Bartell_mechanism","normalized":"Bartell mechanism","display":"Bartell mechanism"},"pageid":15374375,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Pentagonal-bipyramidal-3D-balls.png/330px-Pentagonal-bipyramidal-3D-balls.png","width":320,"height":319},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/1/1f/Pentagonal-bipyramidal-3D-balls.png","width":1100,"height":1096},"lang":"en","dir":"ltr","revision":"1230266152","tid":"51a6fb3b-2ffa-11ef-8b35-9f9734b52b47","timestamp":"2024-06-21T18:16:03Z","description":"Molecular phenomenon","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Bartell_mechanism","revisions":"https://en.wikipedia.org/wiki/Bartell_mechanism?action=history","edit":"https://en.wikipedia.org/wiki/Bartell_mechanism?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Bartell_mechanism"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Bartell_mechanism","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Bartell_mechanism","edit":"https://en.m.wikipedia.org/wiki/Bartell_mechanism?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Bartell_mechanism"}},"extract":"The Bartell mechanism is a pseudorotational mechanism similar to the Berry mechanism. It occurs only in molecules with a pentagonal bipyramidal molecular geometry, such as IF7. This mechanism was first predicted by H. B. Bartell. The mechanism exchanges the axial atoms with one pair of the equatorial atoms with an energy requirement of about 2.7 kcal/mol. Similarly to the Berry mechanism in square planar molecules, the symmetry of the intermediary phase of the vibrational mode is \"chimeric\" of other mechanisms; it displays characteristics of the Berry mechanism, a \"lever\" mechanism seen in pseudorotation of disphenoidal molecules, and a \"turnstile\" mechanism (which can be seen in trigonal bipyramidal molecules under certain conditions).","extract_html":"
The Bartell mechanism is a pseudorotational mechanism similar to the Berry mechanism. It occurs only in molecules with a pentagonal bipyramidal molecular geometry, such as IF7. This mechanism was first predicted by H. B. Bartell. The mechanism exchanges the axial atoms with one pair of the equatorial atoms with an energy requirement of about 2.7 kcal/mol. Similarly to the Berry mechanism in square planar molecules, the symmetry of the intermediary phase of the vibrational mode is \"chimeric\" of other mechanisms; it displays characteristics of the Berry mechanism, a \"lever\" mechanism seen in pseudorotation of disphenoidal molecules, and a \"turnstile\" mechanism (which can be seen in trigonal bipyramidal molecules under certain conditions).
"}