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Study Findings On Crystallography Are Outlined In Reports From H.A.

STUDY FINDINGS ON CRYSTALLOGRAPHY ARE OUTLINED IN REPORTS FROM H.A. KARAPETYAN AND COLLEAGUES

Technology News Focus
January 14, 2009

"The title compound, K+center dot C6H9N4O4-center dot H2O, crystallizes
with the K atoms located on special positions related by pseudocentres
of symmetry," scientists in Yerevan, Armenia report.

"Each K atom is coordinated by six O-atom donors. The N and water H
atoms are involved in inter- and intramolecular N-H center dot center
dot center dot O, N-H center dot center dot center dot N and O-H center
dot center dot center dot O hydrogen bonding," wrote H.A. Karapetyan
and colleagues.

The researchers concluded: "The data indicate inversion twinning."

Karapetyan and colleagues published their study in Acta
Crystallographica Section E – Structure Reports Online (Potassium
L-2-nitrimino-1,3-diazepane-4-carboxyla te monohydrate. Acta
Crystallographica Section E – Structure Reports Online, 2008;64(Part
11):M1369-U211).

For more information, contact H.A. Karapetyan, National Academy
Science RA, Molecular Structural Research Center, Azatutyan Avenue 26,
Yerevan 375014, Armenia.

Publisher contact information for the journal Acta Crystallographica
Section E – Structure Reports Online is: Blackwell Publishing, 9600
Garsington Rd., Oxford OX4 2DQ, Oxon, England.

Jabejian Elizabeth:
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