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The dimeric mixed-ligand titanacarborane sandwich [1-(Cp)-1-Ti-2-(Me)-3-(SiMe3)-2,3-C2B4H4]2 (2000)

Hosmane, Narayan S. ; Zheng, Chong

Oxford [u.a.] : International Union of Crystallography (IUCr)

Acta crystallographica 56 (2000), S. 525-527

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ISSN: 1600-5759

Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001

Topics: Chemistry and Pharmacology , Geosciences , Physics

Notes: The title dimer, bis[1-cyclopentadienyl-2-methyl-1-titana-3-trimethylsilyl-2,3-dicarba-closo-hexaborane(6)], [Ti(C5H5)(C6H16B4Si)]2, reveals that the centrosymmetric molecule consists of two bent-sandwich titanacarboranes bridged by the B—H—Ti bonds. The average bond distances are Ti—B 2.445 (3), Ti—C(cage) 2.334 (2) and Ti—C(Cp) 2.376 (3) Å, and the corresponding bond angles are Cp—Ti—Cp 163.2 (1) and Cp—Ti—Cb (Cb = C2B3 face) 139.9 (1)°; the Ti—H separations are 2.10 (2) and 2.19 (2) Å.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1107/S0108270100001013

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