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Synthesis and X-ray powder diffraction data of transition metal derivatives of maleic acid. I. M2+(C4H3O4−)2⋅4H2O (M2+=Mn, Fe, Co, Ni, and Zn)

Published online by Cambridge University Press:  05 March 2012

A. Briceño ,
T. González ,
G. Díaz de Delgado ,
R. Guevara  and
J. M. Delgado
A. Briceño*
Affiliation:
Laboratorio Nacional de Difracción de Rayos-X, Facultad de Ciencias, Universidad de Los Andes, Apdo. Postal 40, La Hechicera, Mérida 5251, Venezuela
T. González*
Affiliation:
Laboratorio Nacional de Difracción de Rayos-X, Facultad de Ciencias, Universidad de Los Andes, Apdo. Postal 40, La Hechicera, Mérida 5251, Venezuela
G. Díaz de Delgado*
Affiliation:
Laboratorio Nacional de Difracción de Rayos-X, Facultad de Ciencias, Universidad de Los Andes, Apdo. Postal 40, La Hechicera, Mérida 5251, Venezuela
R. Guevara*
Affiliation:
Laboratorio Nacional de Difracción de Rayos-X, Facultad de Ciencias, Universidad de Los Andes, Apdo. Postal 40, La Hechicera, Mérida 5251, Venezuela
J. M. Delgado*
Affiliation:
Laboratorio Nacional de Difracción de Rayos-X, Facultad de Ciencias, Universidad de Los Andes, Apdo. Postal 40, La Hechicera, Mérida 5251, Venezuela
*
a) Electronic mail: alexanderb40@LatinMail.com
b) Electronic mail: gonztere@hotmail.com
c) Electronic mail: diaz@ciens.ula.ve
d) Electronic mail: nexzyg@telcel.net.ve
e) Electronic mail: migueld@ciens.ula.ve
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Abstract

Five transition metal derivatives of maleic acid with general formula, M2+(C4H3O4−)2⋅4H2O (M2+=Mn, Fe, Co, Ni, and Zn) were prepared by slow evaporation of the aqueous solution at room temperature. Their X-ray powder diffraction patterns were recorded and evaluated. These materials are isostructural and crystallize in a triclinic unit cell. The volume of the cells vary linearly between that of the Ni complex [V=314.65(7) Å3: a=5.1769(8) Å, b=7.317(1) Å, c=9.140(2) Å, α=108.42(2)°, β=104.61(1)°, γ=92.87(1)°] and the volume of the Mn-derivative [V=330.30(8) Å3: a=5.322(1) Å, b=7.375(1) Å, c=9.752(2) Å, α=115.48(2)°, β=106.64(2)°, γ=86.63(2)°].

Keywords

metal carboxylatesmaleatespowder diffraction data
Type
New Diffraction Data
Information
Powder Diffraction , Volume 17 , Issue 2 , June 2002 , pp. 139 - 143
Copyright
Copyright © Cambridge University Press 2005

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