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1.  The ansa-zirconocene [bis­(η5-cyclo­penta­dien­yl)phenyl­phosphine]­dichloridozirconium(IV) 
In the title compound, [Zr(C16H13P)Cl2], the geometry at the metal atom is distorted tetra­hedral; the Cl—Zr—Cl angle is 101.490 (16)° and the cyclo­penta­dienyl (Cp) centroids subtend an angle of 122.63 (3)° at the Zr atom. The P atom lies 0.474 (3) and 0.496 (3) Å out of the planes of the Cp rings. The C—P—C angle of 91.42 (7)° reflects the pincer effect of the two Cp rings. Three C—H⋯Cl, one C—H⋯P, one C—H⋯π and one Cl⋯P inter­action link the mol­ecules to form thick layers parallel to the bc plane.
PMCID: PMC2855579  PMID: 20203402
2.  Bis(η7-cyclo­hepta­trien­yl)tri-μ-hydrido-dimolybdenum(0,I) 
In the title compound, [Mo2(η7-C7H7)2(μ-H)3], which displays crystallographic mirror symmetry, two (η7-C7H7)Mo units are linked along the Mo—Mo axis by three bridging hydride ligands. The Mo—Mo distance is 2.5732 (4) Å. The perpendicular distances of the Mo atoms from the C7 planes are 1.5827 (8) and 1.5814 (8) Å, with individual Mo—C bond lengths in the range 2.261 (2)–2.2789 (14) Å. Mo—H distances range from 1.77 (3) to 1.85 (4) Å, with Mo—H—Mo angles of 89 (2) and 92 (1)°.
PMCID: PMC2967928  PMID: 21581559

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