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X-ray powder diffraction data for the second and third polymorphs of 1-methylhydantoin

Published online by Cambridge University Press:  10 May 2022

Gerzon E. Delgado*
Affiliation:
Laboratorio de Cristalografía, Departamento de Química, Facultad de Ciencias, Universidad de Los Andes, Mérida 5101, Venezuela Departamento de Química, Facultad de Ciencias Básicas, Universidad de Antofagasta, Campus Coloso, Antofagasta 240000, Chile
Cecilia Chacón
Affiliation:
Conacyt - Instituto Mexicano del Petróleo, Centro de Tecnologías para Exploración y Producción, Boca del Rio, Veracruz 94286, Mexico
Gustavo Marroquin
Affiliation:
Instituto Mexicano del Petróleo, Ciudad de México 07730, Mexico
Jonathan Cisterna
Affiliation:
Departamento de Química, Facultad de Ciencias, Universidad de Católica del Norte, Antofagasta, Chile
Iván Brito
Affiliation:
Departamento de Química, Facultad de Ciencias Básicas, Universidad de Antofagasta, Campus Coloso, Antofagasta 240000, Chile
*
a)Author to whom correspondence should be addressed. Electronic mail: gerzon@ula.ve
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Abstract

X-ray powder diffraction data for the two new polymorphs of 1-methylhydantoin, C4H6N2O2, are reported. The polymorph II (MH-II) crystallizes in the orthorhombic system with space group Pna21 [a = 19.0323(7) Å, b = 3.91269(8) Å, c = 6.8311(7) Å, Z′ = 1, Z = 4, unit cell volume V = 508.70(3) Å3. Polymorph III (MH-III) crystallizes in the orthorhombic system with space group P212121 [a = a = 7.82427(5), b = 9.8230(5), c = 20.2951(4), Z′ = 3, Z = 12, unit cell volume V = 1563.5(1) Å3]. All measured lines, in each case, were indexed and are consistent with the space group.

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Type
Data Report
Copyright
Copyright © The Author(s), 2022. Published by Cambridge University Press on behalf of International Centre for Diffraction Data

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