Cluster chemistry: LVI. Stereochemistry of group 15 ligand-substituted derivatives of M3(CO)12 (M = Ru, Os) B. X-Ray structures of six complexes M3(CO)10(L)2 (M = Ru, L = PPh3, PPh(OMe)2, and P(OCH2CF3)3; M = Os, L = PPh3, PPh(OMe)2 and P(OMe)3)
作者： Michael I. Bruce , Michael J. Liddell , Caroline A. Hughes , Jennifer M. Patrick , Brian W. Skelton
DOI: 10.1016/0022-328X(88)80281-X
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摘要: Abstract X-Ray crystal structures of six complexes the type M 3 (CO) 10 (L) 2 (M = Ru, L PPh , PPh(OMe) and P(OCH CF ; Os, P(OMe) ) have been determined. All contain a triangular core; two phosphorus ligands occupy equatorial positions on adjacent metal atoms so that they are approximately trans to each other at ends M-M vector. In contrast 11 (L), there is no prounounced lengthening MM bonds cis group 15 ligand. Other features, including twisting ML 4 groups distort D 3h symmetry towards similar those found for monosubstituted complexes. Thermal reactions between Os 12) which afford 12- n {P(OMe) } ( 1–4), described. Crystal data: Ru (PPh : orthorhombic, P 1 τa 34.636(15), b 17.007(10)(10), c 14.806(4) A, U 8721(7) A Z 8, N 0 (number ‘observed’ data with I > 3σ( 4773, R 0.071, ′ 0.080; monoclinic, / 17.104(6), 34.507(11), 14.832(6) β 92.28(3)°, 8747(5) 8011, 0.048, 0.040; {PPh(OMe) Pc, 9.014(4), 8.545(4), 21.728(5) 100.77(3)°, 1644(1) 2, 5269, 0.024, 0.027; 9.007(5), 8.565(7), 21.716(12) 100.87(5)°, 1645(1) 5266, 0.041, 0.043; {P(OCH 29.79(2), 15.827(8), 8.283(4) 3906(3) 4, 2652, 0.063, 0.070; triclinic, 24.955(10), 9.439(4), 8.944(4), 84.02(3), (3), γ 84.18(3)°, 2083(1) 3, 40.84, 0.057, 0.068.
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