{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["65(Pt 9)"],"submitter":["Sisler EM"],"pubmed_abstract":["The complete molecule of title compound, C(58)H(58)P(4), is generated by a crystallographic twofold rotation axis that passes through the center of the C(methine)-C(methine) bond of length 1.582 (4) Å. The C-P bond lengths are 1.8824 (19) and 1.8991 (19) Å. The P-C-P angle of 109.69 (9)° is essentially equal to the expected value of 109.5° for a tetra-hedral C atom. Although the C(methine)-P-C(aromatic) bond angles range from 102.67 (9) to 107.04 (9)°, the C(aromatic)-P-C(aromatic) bond angles of 96.72 (9) and 97.29 (9)° are significantly smaller. The steric demands of the o-tolyl groups cause deviations from the bond lengths and angles reported for its phenyl analog."],"journal":["Acta crystallographica. Section E, Structure reports online"],"pagination":["o2231"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC2970080"],"repository":["biostudies-literature"],"pubmed_title":["1,1,2,2-Tetra-kis(di-o-tolyl-phosphino)ethane."],"pmcid":["PMC2970080"],"pubmed_authors":["Gray DL","Arias K","Shelby QD","Sisler EM"],"additional_accession":[]},"is_claimable":false,"name":"1,1,2,2-Tetra-kis(di-o-tolyl-phosphino)ethane.","description":"The complete molecule of title compound, C(58)H(58)P(4), is generated by a crystallographic twofold rotation axis that passes through the center of the C(methine)-C(methine) bond of length 1.582 (4) Å. The C-P bond lengths are 1.8824 (19) and 1.8991 (19) Å. The P-C-P angle of 109.69 (9)° is essentially equal to the expected value of 109.5° for a tetra-hedral C atom. Although the C(methine)-P-C(aromatic) bond angles range from 102.67 (9) to 107.04 (9)°, the C(aromatic)-P-C(aromatic) bond angles of 96.72 (9) and 97.29 (9)° are significantly smaller. The steric demands of the o-tolyl groups cause deviations from the bond lengths and angles reported for its phenyl analog.","dates":{"release":"2009-01-01T00:00:00Z","publication":"2009 Aug","modification":"2025-04-18T19:28:17.986Z","creation":"2019-03-27T00:00:13Z"},"accession":"S-EPMC2970080","cross_references":{"pubmed":["21577630"],"doi":["10.1107/S1600536809032942"]}}