Geometry and intermolecular structure of v-methylformamide in the liquid phase as measured by neutron scattering

J. Neuefeind; P. Chieux; M. D. Zeidler

doi:10.1080/00268979200101221

Geometry and intermolecular structure of v-methylformamide in the liquid phase as measured by neutron scattering

J. Neuefeind, P. Chieux, M. D. Zeidler

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Abstract

Neutron diffraction measurements have been carried out on two samples of liquid Af-methylformamide with different isotopic composition (DCONDCD₃, and DCONHCD₃). The experiments were performed under normal conditions up to a momentum transfer of 22·9 Å^-1. Refined intramolecular structure parameters describing equally well both experiments have been obtained. The N–H distance in particular could be evaluated accurately using a modified contrast method. There is some evidence that the H ··· O intermolecular distance is detectable in spite of overlapping intramolecular distances and of an increased delocalization of the π electron system in the liquid phase with respect to the gas.

Original language	English
Pages (from-to)	143-156
Number of pages	14
Journal	Molecular Physics
Volume	76
Issue number	1
DOIs	https://doi.org/10.1080/00268979200101221
State	Published - May 1992
Externally published	Yes

Funding

One of us (JN) wishes to thank the Institut Laue-Langevin for the provision of a three month research studentship. The numerical calculations were carried out at the computer centres of the RWTH Aachen and the ILL. Financial support by the Fonds der Chemischen Industrie is gratefully acknowledged.

Funders	Funder number
Verband der Chemischen Industrie

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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abstract = "Neutron diffraction measurements have been carried out on two samples of liquid Af-methylformamide with different isotopic composition (DCONDCD3, and DCONHCD3). The experiments were performed under normal conditions up to a momentum transfer of 22·9 {\AA}-1. Refined intramolecular structure parameters describing equally well both experiments have been obtained. The N–H distance in particular could be evaluated accurately using a modified contrast method. There is some evidence that the H ··· O intermolecular distance is detectable in spite of overlapping intramolecular distances and of an increased delocalization of the π electron system in the liquid phase with respect to the gas.",

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T1 - Geometry and intermolecular structure of v-methylformamide in the liquid phase as measured by neutron scattering

AU - Neuefeind, J.

AU - Chieux, P.

AU - Zeidler, M. D.

PY - 1992/5

Y1 - 1992/5

N2 - Neutron diffraction measurements have been carried out on two samples of liquid Af-methylformamide with different isotopic composition (DCONDCD3, and DCONHCD3). The experiments were performed under normal conditions up to a momentum transfer of 22·9 Å-1. Refined intramolecular structure parameters describing equally well both experiments have been obtained. The N–H distance in particular could be evaluated accurately using a modified contrast method. There is some evidence that the H ··· O intermolecular distance is detectable in spite of overlapping intramolecular distances and of an increased delocalization of the π electron system in the liquid phase with respect to the gas.

AB - Neutron diffraction measurements have been carried out on two samples of liquid Af-methylformamide with different isotopic composition (DCONDCD3, and DCONHCD3). The experiments were performed under normal conditions up to a momentum transfer of 22·9 Å-1. Refined intramolecular structure parameters describing equally well both experiments have been obtained. The N–H distance in particular could be evaluated accurately using a modified contrast method. There is some evidence that the H ··· O intermolecular distance is detectable in spite of overlapping intramolecular distances and of an increased delocalization of the π electron system in the liquid phase with respect to the gas.

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EP - 156

JO - Molecular Physics

JF - Molecular Physics

IS - 1

ER -

Geometry and intermolecular structure of v-methylformamide in the liquid phase as measured by neutron scattering

Abstract

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UN SDGs

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