Acta Crystallographica Section C: Structural Chemistry, ( ISI ), Volume (67), No (5), Year (2011-5) , Pages (160-164)

Title : ( The hydrogen-bonded dimers of N,N\',N )

Authors: Mehrdad Pourayoubi , James A. Golen , Mahnaz Rostami Chaijan , Vladimir Divjakovic , monireh negari , Arnold L. Rheingold ,

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In the new tin(IV) and copper(II) complexes, cis-dichloridotrans- dimethyl-cis-bis(N,N0,N00-tricyclohexylphosphoric triamide- O)tin(IV), [Sn(CH3)2Cl2(C18H36N3OP)2], (I), and transdiaquabis( N,N0,N00-tricyclohexylphosphoric triamide-O)copper( II) dinitrate–N,N0,N00-tricyclohexylphosphoric triamide (1/2), [Cu(C18H36N3OP)2(H2O)2](NO3)2 2C18H36N3OP, (II), the N,N0,N00-tricyclohexylphosphoric triamide (PTA) ligands exist as hydrogen-bonded dimers via P O  H—N interactions around the metal center. The asymmetric unit in (I) consists of one complete complex molecule located on a general position. The SnIV coordination geometry is octahedral with two cis hydrogen-bonded PTA ligands, two cis chloride ligands and two trans methyl groups. The asymmetric unit in (II) contains one half of a [Cu(PTA)2(H2O)2]2+ dication on a special position (site symmetry 1 for the Cu atom), one nitrate anion and one free PTA molecule, both on general positions. The complex adopts a square-planar trans- [CuO2O2] coordination geometry, with the CuII ion coordinated by two PTA ligands and two water molecules. Each of the noncoordinated PTA molecules is hydrogen bonded to a neighboring coordinated PTA molecule and an adjacent water molecule; the phosphoryl O atom acts as a double-H-atom acceptor. The P atoms in the PTA ligands of both complexes and in the noncoordinated hydrogen-bonded molecules in (II) adopt a slightly distorted tetrahedral environment.


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author = {Pourayoubi, Mehrdad and James A. Golen and Rostami Chaijan, Mahnaz and Vladimir Divjakovic and Negari, Monireh and Arnold L. Rheingold},
title = {The hydrogen-bonded dimers of N,N\',N},
journal = {Acta Crystallographica Section C: Structural Chemistry},
year = {2011},
volume = {67},
number = {5},
month = {May},
issn = {2053-2296},
pages = {160--164},
numpages = {4},
keywords = {hydrogen-bonded dimer},


%0 Journal Article
%T The hydrogen-bonded dimers of N,N\',N
%A Pourayoubi, Mehrdad
%A James A. Golen
%A Rostami Chaijan, Mahnaz
%A Vladimir Divjakovic
%A Negari, Monireh
%A Arnold L. Rheingold
%J Acta Crystallographica Section C: Structural Chemistry
%@ 2053-2296
%D 2011