Synthesis, spectroscopic, and crystallographic characterizations of an antiferromagnetically coupled, oxobridged trinuclear manganese(IV) cluster [Mn3O4(H2O)2(phen)4] (NO3)4·3H2O [phen = 1,10-phenanthroline]

Journal of Coordination Chemistry

Volumn 65, Issue 23, 2012, Pages 4067-4076

  Biswas, Bhaskar ^a   Pal, Abhijit ^a   Mitra, Partha ^b   Tuna, Floriana ^c   Mukherjee, Manabendra ^d   Ghosh, Rajarshi ^a  

^a UNIVERSITY OF BURDWAN   (India)

^b DEPARTMENT OF MATERIALS SCIENCE   (India)

^c UNIVERSITY OF MANCHESTER   (United Kingdom)

^d SAHA INSTITUTE OF NUCLEAR PHYSICS   (India)

Author keywords

BVS calculation; Crystal structure; Magnetism; Synthesis; Thermal property; XPS

Indexed keywords

EID: 84871195737     PISSN: 00958972     EISSN: 10290389     Source Type: Journal    
DOI: 10.1080/00958972.2012.732694     Document Type: Article

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27. 0 for Mn-O and Mn-N are 1.753 and 1.825A Å, respectively. (i) Now for Mn1, Σ bond valences = (0.9707 + 0.9422) [for Mn-O bonds] + (0.6164 + 0.5887 + 0.6114 + 0.4755) [for Mn-N bonds] = 4.2049; so oxidation state of Mn1 is + IV. (ii) For Mn2, Σ bond valences = (0.9048 + 0.8688 + 0.8503 + 0.5370) [for Mn-O bonds] + (0.5270 + 0.5171) [for Mn-N bonds] = 4.205; so oxidation state of Mn2 is + IV. (iii) For Mn2, Σ bond valences = (0.8902 + 0.8830 + 0.8411 + 0.5227) [for Mn-O bonds] + (0.5429 + 0.5270) [for Mn-N bonds] = 4.206; so oxidation state of Mn3 is + IV.
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