New pentacoordinate bicyclodiazastannsulfide formed between the functionalized cyclopentadienyl ring and tin

New multidentate heteroscorpionate ligands: N-Phenyl-2,2-bis(pyrazol-1-yl)thioacetamide and ethyl 2,2-bis(pyrazol-1-yl)dithioacetate as well as their derivatives

“…The average Co-S (2.262 (1) Å ) and Co-N (1.970(4) Å ) distances are comparable to those in related octahedral cobalt(III) complexes [29][30][31][32]. The N(5)-C(7) [33], indicating the C@N double bond character of these two bonds.…”

Novel N-bridging cyclopentadienyl heteropolynuclear organometallamacrocycles with M–Sn (M = Mo or W) bonds

“…The Mo(1)-Sn(1) and Mo(2A)-Sn(2) bond distances are 2.857(1) Å and 2.860(1) Å , respectively, similar with that in the 14-membered terephthaloyl bridging cyclopentadienyl complex {p-[(CO) 3 (1) Å ) [7a]), and longer than those in non-cyclic or small metallacyclic cyclopentadienyl complexes (such as in CH 3 COC 5 H 4 Mo(CO) 3 SnPh 2 Cl (2.7683(6) Å ) [10] and l-[C 5 H 4 (CH 3 )C@NAN@C(S)C 4 H 3 S]Mo(CO) 3 SnCl 2 (2.7300(7) Å ) [11]). The C(1)-C(5) cyclopentadienyl plane and the C(10)-C(14) cyclopentadienyl plane, with the dihedral angle of 98.2°, are closely perpendicular to each other.…”