Journal of Chemical Crystallography

, Volume 47, Issue 6, pp 241–244 | Cite as

Crystal Structure of Hydrazinium Iodide by Neutron Diffraction

  • Eric V. Campbell
  • Xiaoping Wang
  • Joel S. MillerEmail author
Original Paper


The structure of hydrazinium iodide, [H5N2]+·I, at 100 K has monoclinic (P21/n) symmetry from single crystal neutron diffraction with a = 7.4599(7) Å, b = 5.3185(6) Å, c = 10.1628(11) Å, β = 103.150(10)°, V = 392.64(7) Å3, Z = 4. The refinement converged to R = 0.0575, wR 2  = 0.1602, S = 1.022. Data for the crystal structure was collected on the SNS TOPAZ single-crystal time-of-flight Laue diffractometer. The compound has a one-dimensional structure which displays N–H···N hydrogen bonding. Accurate intra- and intermolecular N–H distances have been determined.

Graphical Abstract

Extended hydrogen bonds among the hydrazinium cations in the crystal structure of N 2 H 5 I.


Crystal structure Hydrazine Hydrazinium Neutron diffraction Hydrogen bonding 



Neutron single crystal diffraction experiment conducted at the ORNL Spallation Neutron Source was sponsored by the Scientific User Facilities Division, Office of Basic Energy Sciences, U. S. Department of Energy. Images of structures generated using CrystalMaker®; CrystalMaker Software Ltd, Oxford, England.


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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.Department of ChemistryUniversity of UtahSalt Lake CityUSA
  2. 2.Neutron Scattering DivisionOak Ridge National LaboratoryOak RidgeUSA

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