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The crystal structures of tetra-kis-(?-n-butyrato-?(2) O:O')bis[bromidorhenium(III)] and tetra-kis-(?-n-butyrato-?(2) O:O')bis[chlorido-rhenium(III)] aceto-nitrile disolvate.


ABSTRACT: The title complexes, [Re2Br2(O2CC3H7)4], (1), and [Re2(O2CC3H7)4Cl2]·2CH3CN, (2), both exhibit paddlewheel structures with four carboxyl-ate ligands bridging two Re(III) atoms. The Re-Re distances are 2.2325?(2) and 2.2299?(3)?Å, indicating quadruple bonds between the Re(III) atoms in each complex. Both complexes contain an inversion center at the mid-point of the Re-Re bond. The Re-Br bond [2.6712?(3)?Å] in (1) is 0.1656?(6)?Å longer than the Re-Cl distance [2.5056?(5)?Å] of (2). In (2), the N atom of each co-crystallized aceto-nitrile solvent mol-ecule is nearly equidistant between and in close contact with two carboxyl-ate C atoms.

SUBMITTER: Reed CR 

PROVIDER: S-EPMC4719818 | biostudies-other | 2015 Dec

REPOSITORIES: biostudies-other

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The crystal structures of tetra-kis-(μ-n-butyrato-κ(2) O:O')bis[bromidorhenium(III)] and tetra-kis-(μ-n-butyrato-κ(2) O:O')bis[chlorido-rhenium(III)] aceto-nitrile disolvate.

Reed Carly R CR   Brennessel William W WW  

Acta crystallographica. Section E, Crystallographic communications 20151107 Pt 12


The title complexes, [Re2Br2(O2CC3H7)4], (1), and [Re2(O2CC3H7)4Cl2]·2CH3CN, (2), both exhibit paddlewheel structures with four carboxyl-ate ligands bridging two Re(III) atoms. The Re-Re distances are 2.2325 (2) and 2.2299 (3) Å, indicating quadruple bonds between the Re(III) atoms in each complex. Both complexes contain an inversion center at the mid-point of the Re-Re bond. The Re-Br bond [2.6712 (3) Å] in (1) is 0.1656 (6) Å longer than the Re-Cl distance [2.5056 (5) Å] of (2). In (2), the N  ...[more]

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