Synthesis and structural aspects of two trinuclear cyano-bridged heterometallic complexes with monodentate coordination of perchlorate and acetate anions

Amitabha Datta, Sébastien Pillet, Nien Tsu Chuang, Hon Man Lee, Jui-Hsien Huang

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Abstract

Two new cyano-bridged trinuclear heterometallic complexes [Ca 2(phen)4(ClO4)(H2O)3- Fe(CN)6]. H2O (1) and [Ca2 (phen) 4(CH3COO)(H2O)3Fe(CN)6]. 2H2O (2) (where phen = 1,10-phenanthroline) have been synthesized and characterized by single-crystal X-ray diffraction techniques, IR spectroscopy and thermogravimetric analysis. The structure of complex 1 features a central [Fe(CN)6]3- unit that links a monocation [Ca(phen) 2(H2O)(ClO4)]+ and a dication [Ca(phen)2(H2O)2]2+ via two trans cyanide bridges. Similarly, complex 2 also features a central [Fe(CN)6] 3- unit that links a monocation [Ca(phen)2(H 2O)(CH3COO)]+ and a dication [Ca(phen) 2(H2O)2]2+ via two trans cyanide bridges. In 1 and 2, both Ca centers are seven-coordinated and achieve a pentagonal-bipyramidal geometry whereas the Fe center in both the complexes possesses a distorted octahedral geometry. Intra- and intermolecular hydrogen bonding networks are present in 1 and 2 that impart the overall molecular stability to both the systems.

Original languageEnglish
Pages (from-to)1106-1112
Number of pages7
JournalZeitschrift fur Naturforschung - Section B Journal of Chemical Sciences
Volume65
Issue number9
DOIs
Publication statusPublished - 2010 Jan 1

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Cyanides
Anions
Acetates
Geometry
Thermogravimetric analysis
Infrared spectroscopy
Hydrogen bonds
Single crystals
X ray diffraction
perchlorate
1,10-phenanthroline

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

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title = "Synthesis and structural aspects of two trinuclear cyano-bridged heterometallic complexes with monodentate coordination of perchlorate and acetate anions",
abstract = "Two new cyano-bridged trinuclear heterometallic complexes [Ca 2(phen)4(ClO4)(H2O)3- Fe(CN)6]. H2O (1) and [Ca2 (phen) 4(CH3COO)(H2O)3Fe(CN)6]. 2H2O (2) (where phen = 1,10-phenanthroline) have been synthesized and characterized by single-crystal X-ray diffraction techniques, IR spectroscopy and thermogravimetric analysis. The structure of complex 1 features a central [Fe(CN)6]3- unit that links a monocation [Ca(phen) 2(H2O)(ClO4)]+ and a dication [Ca(phen)2(H2O)2]2+ via two trans cyanide bridges. Similarly, complex 2 also features a central [Fe(CN)6] 3- unit that links a monocation [Ca(phen)2(H 2O)(CH3COO)]+ and a dication [Ca(phen) 2(H2O)2]2+ via two trans cyanide bridges. In 1 and 2, both Ca centers are seven-coordinated and achieve a pentagonal-bipyramidal geometry whereas the Fe center in both the complexes possesses a distorted octahedral geometry. Intra- and intermolecular hydrogen bonding networks are present in 1 and 2 that impart the overall molecular stability to both the systems.",
author = "Amitabha Datta and S{\'e}bastien Pillet and Chuang, {Nien Tsu} and Lee, {Hon Man} and Jui-Hsien Huang",
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T1 - Synthesis and structural aspects of two trinuclear cyano-bridged heterometallic complexes with monodentate coordination of perchlorate and acetate anions

AU - Datta, Amitabha

AU - Pillet, Sébastien

AU - Chuang, Nien Tsu

AU - Lee, Hon Man

AU - Huang, Jui-Hsien

PY - 2010/1/1

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