{"type":"standard","title":"Half sandwich compound","displaytitle":"Half sandwich compound","namespace":{"id":0,"text":""},"wikibase_item":"Q1570545","titles":{"canonical":"Half_sandwich_compound","normalized":"Half sandwich compound","display":"Half sandwich compound"},"pageid":37033212,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Cpco%28CO%292.png/320px-Cpco%28CO%292.png","width":320,"height":237},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/9/91/Cpco%28CO%292.png","width":587,"height":434},"lang":"en","dir":"ltr","revision":"1275180691","tid":"c67cbe08-e889-11ef-a612-0d55664370ed","timestamp":"2025-02-11T15:06:31Z","description":"Class of coordination compounds","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Half_sandwich_compound","revisions":"https://en.wikipedia.org/wiki/Half_sandwich_compound?action=history","edit":"https://en.wikipedia.org/wiki/Half_sandwich_compound?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Half_sandwich_compound"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Half_sandwich_compound","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Half_sandwich_compound","edit":"https://en.m.wikipedia.org/wiki/Half_sandwich_compound?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Half_sandwich_compound"}},"extract":"Half sandwich compounds, also known as piano stool complexes, are organometallic complexes that feature a cyclic polyhapto ligand bound to an MLn center, where L is a unidentate ligand. Thousands of such complexes are known. Well-known examples include cyclobutadieneiron tricarbonyl and (C5H5)TiCl3. Commercially useful examples include (C5H5)Co(CO)2, which is used in the synthesis of substituted pyridines, and methylcyclopentadienyl manganese tricarbonyl, an antiknock agent in petrol.","extract_html":"
Half sandwich compounds, also known as piano stool complexes, are organometallic complexes that feature a cyclic polyhapto ligand bound to an MLn center, where L is a unidentate ligand. Thousands of such complexes are known. Well-known examples include cyclobutadieneiron tricarbonyl and (C5H5)TiCl3. Commercially useful examples include (C5H5)Co(CO)2, which is used in the synthesis of substituted pyridines, and methylcyclopentadienyl manganese tricarbonyl, an antiknock agent in petrol.
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{"type":"standard","title":"Joseph-Henri Léveillé","displaytitle":"Joseph-Henri Léveillé","namespace":{"id":0,"text":""},"wikibase_item":"Q1375120","titles":{"canonical":"Joseph-Henri_Léveillé","normalized":"Joseph-Henri Léveillé","display":"Joseph-Henri Léveillé"},"pageid":19837377,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/5/52/Joseph_Henry_L%C3%A9veill%C3%A9.jpg/330px-Joseph_Henry_L%C3%A9veill%C3%A9.jpg","width":320,"height":469},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/5/52/Joseph_Henry_L%C3%A9veill%C3%A9.jpg","width":330,"height":484},"lang":"en","dir":"ltr","revision":"1260886552","tid":"68ae4e16-b123-11ef-aabc-d03d8bd29483","timestamp":"2024-12-03T03:05:11Z","description":"French physician and mycologist (1796–1870)","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Joseph-Henri_L%C3%A9veill%C3%A9","revisions":"https://en.wikipedia.org/wiki/Joseph-Henri_L%C3%A9veill%C3%A9?action=history","edit":"https://en.wikipedia.org/wiki/Joseph-Henri_L%C3%A9veill%C3%A9?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Joseph-Henri_L%C3%A9veill%C3%A9"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Joseph-Henri_L%C3%A9veill%C3%A9","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Joseph-Henri_L%C3%A9veill%C3%A9","edit":"https://en.m.wikipedia.org/wiki/Joseph-Henri_L%C3%A9veill%C3%A9?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Joseph-Henri_L%C3%A9veill%C3%A9"}},"extract":"Joseph-Henri Léveillé was a French physician and mycologist who was a native of Crux-la-Ville, in the department of Nièvre.","extract_html":"
Joseph-Henri Léveillé was a French physician and mycologist who was a native of Crux-la-Ville, in the department of Nièvre.
"}{"fact":"One reason that kittens sleep so much is because a growth hormone is released only during sleep.","length":96}
{"slip": { "id": 111, "advice": "You're not as fat as you think you are."}}
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