Metal ion-aromatic complexes. XI. Crystal and molecular structure of bis(cyclohexylbenzene)silver(I) perchlorate

1971 ◽  
Vol 93 (13) ◽  
pp. 3167-3172 ◽  
Author(s):  
E. L. Amma ◽  
E. A. Hall Griffith





1998 ◽  
Vol 53 (8) ◽  
pp. 836-840 ◽  
Author(s):  
Vladimir A. Ovchynnikov ◽  
Vladimir M. Amirkhanov ◽  
Anatoliy A. Kapshuk ◽  
Tatyana Yu. Sliva ◽  
Tadeusz Glowiak ◽  
...  

Abstract A new nickel(II) complex with N,N′-tetraethyl-N″-benzoylphosphortriamide (HL = C6H5C(O)N(H)P(O)(NEt2)2) of composition Ni4L4(OCH3)4·(HOCH3)4 (1) has been synthe­ sized. The crystal and molecular structure of 1 has been determined from the X-Ray diffraction data (tetragonal, space group P4̄21c with a = 17.000(2) Å, c = 15.338(3) Å, Z = 2; R = 0.0399 for 1412 unique reflections). The structure is made up of cubane-like tetramers. In the corners of a cube there are 4 atoms of nickel and 4 atoms of oxygen of methoxy groups. The nickel atoms are characterized by a slightly distorted octahedral environment, which consists of three oxygen atoms of methoxy groups, carbonylic and phosphorylic oxygen atoms of the ligand L-, and an oxygen atom of a methanol molecule. The ligands L- coordinate to the metal ion forming a chelate via the oxygen atoms of carbonylic and phosphorylic groups.



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