T1 and T1ρ study of proton motion in hydrazine nitrate N2H5NO3

Article abstract of DOI:10.1063/1.443992

Proton T₁ and T_1ρ measurements have been made in hydrazine nitrate N2H5NO3 from 140 to 362 K.Two previously reported solid phases have been distinguished.In form I the relaxation times have been analyzed in terms of reorientations of the -NH3⁺ and -NH2 groups, and correlation times for these motions have been obtained.A detailed calculation of T_1ρ due to -NH2 reorientations has made based on the geometry of the hydrazinium ion in N2H5HC2O4.The relaxation is due to both H-N dipole-dipole interactions within the -NH2 group and to H-H dipole-dipole interactions between the -NH2 and -NH3⁺ groups which are modulated by 180 deg flips of the -NH2⁺ group about the H-N-H bisectrix.In form II the correlation times for -NH3 reorientation are shorter and the correlation times for -NH2 reorientation are longer than in form I.The relaxation and free induction decay measurements show a high-mobility component in form II.

Full text of DOI:10.1063/1.443992

T 1 and T 1ρ study of proton motion in hydrazine nitrate N2H5NO3
J. W. Harrell Jr.
Citation: The Journal of Chemical Physics 77, 1093 (1982); doi: 10.1063/1.443992
View online: http://dx.doi.org/10.1063/1.443992
View Table of Contents: http://scitation.aip.org/content/aip/journal/jcp/77/3?ver=pdfcov
Published by the AIP Publishing
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This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
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This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.143.199.160 On: Mon, 15 Dec 2014 07:32:19
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This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.143.199.160 On: Mon, 15 Dec 2014 07:32:19
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This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.143.199.160 On: Mon, 15 Dec 2014 07:32:19
1

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.143.199.160 On: Mon, 15 Dec 2014 07:32:19
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This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.143.199.160 On: Mon, 15 Dec 2014 07:32:19
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This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
28.143.199.160 On: Mon, 15 Dec 2014 07:32:19
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