Archive: 2008 - Moldavian Journal of the Physical Sciences

05 Apr 2008

2008
V. 7
2
(p.177 - 181)

Comparative peculiarities of polytypy of crystals Cu(D-Ala)(L-Ser) and Cu2(D-Ala)(L-Ala)(D-Ser)(L-Ser)

Authors:

Diacon, Ion; Donu, Sofia; Ciapurina, Liudmila

Summary:

Atomic structures of two polytypic modifycations of crystals of mixed cooper (II) com- pound Cu(D-Ala)(L-Ser) with optically active α-alanine (Ala) and serine (Ser) were studied by the electron diffraction analysis method: modification I - a=9.26(2) Å, b=9.60(1) Å, c=4.98(1) Å, γ=91.2(3)°, Z=2, space group of symmetry P21; modification II - a=18.52(2) Å, b=9.60(1) Å, c=4.98(1) Å, γ=91.2(3)°, Z=4, space group of symmetry C21. It was demonstrated that the modifications of the crystals of two compounds Cu(D- Ala)(L-Ser) and Cu2(D-Ala)(L-Ala)(D-Ser)(L-Ser) with racemic amino acids, correspond- ingly, belong to the same family of polytypic modifications.

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by the electron diffraction analysis method: modification I -  a=9.26(2) Å,  b=9.60(1) Å, 
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BibTeX

@article{ibn_3802,
author = {Diacon, I.A. and Donu, S.V. and Ciapurina, L.},
title = {Comparative peculiarities of polytypy of crystals Cu(D-Ala)(L-Ser) and Cu2(D-Ala)(L-Ala)(D-Ser)(L-Ser) 
},
journal = {Moldavian Journal of the Physical Sciences},
year = {2008},
volume = {7 (2)},
pages = {177-181},
month = {Apr},
abstract = {(EN) Atomic structures of two polytypic modifycations of crystals of mixed cooper (II) com-

pound Cu(D-Ala)(L-Ser) with optically active α-alanine (Ala) and serine (Ser) were studied 
by the electron diffraction analysis method: modification I -  a=9.26(2) Å,  b=9.60(1) Å, 
c=4.98(1) Å, γ=91.2(3)°, Z=2, space group of symmetry P21; modification II - a=18.52(2) Å, 
b=9.60(1) Å, c=4.98(1) Å, γ=91.2(3)°, Z=4, space group of symmetry C21. 

It was demonstrated that the modifications of the crystals of two compounds Cu(D-

Ala)(L-Ser) and Cu2(D-Ala)(L-Ala)(D-Ser)(L-Ser) with racemic amino acids, correspond-

ingly, belong to the same family of polytypic modifications.},
url = {https://ibn.idsi.md/vizualizare_articol/3802},
}

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by the electron diffraction analysis method: modification I -  a=9.26(2) Å,  b=9.60(1) Å, 
c=4.98(1) Å, γ=91.2(3)°, Z=2, space group of symmetry P21; modification II - a=18.52(2) Å, 
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It was demonstrated that the modifications of the crystals of two compounds Cu(D-

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<dc:description xml:lang='en'>Atomic structures of two polytypic modifycations of crystals of mixed cooper (II) com-

pound Cu(D-Ala)(L-Ser) with optically active α-alanine (Ala) and serine (Ser) were studied 
by the electron diffraction analysis method: modification I -  a=9.26(2) Å,  b=9.60(1) Å, 
c=4.98(1) Å, γ=91.2(3)°, Z=2, space group of symmetry P21; modification II - a=18.52(2) Å, 
b=9.60(1) Å, c=4.98(1) Å, γ=91.2(3)°, Z=4, space group of symmetry C21. 

It was demonstrated that the modifications of the crystals of two compounds Cu(D-

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ingly, belong to the same family of polytypic modifications.</dc:description>
<dc:source>Moldavian Journal of the Physical Sciences 7 (2) 177-181</dc:source>
<dc:title>Comparative peculiarities of polytypy of crystals Cu(D-Ala)(L-Ser) and Cu2(D-Ala)(L-Ala)(D-Ser)(L-Ser) 
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“ ... ”

SM ISO690:2012

DIACON, Ion; DONU, Sofia; CIAPURINA, Liudmila. Comparative peculiarities of polytypy of crystals Cu(D-Ala)(L-Ser) and Cu2(D-Ala)(L-Ala)(D-Ser)(L-Ser) . In: Moldavian Journal of the Physical Sciences. 2008, nr. 2(7), pp. 177-181. ISSN 1810-648X.