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Isobutyl 3,5-dinitro-benzoate.

Pei Zou1, Min-Hao Xie, Shi-Neng Luo

  • 1Jiangsu Institute of Nuclear Medicine, Wuxi 214063, People's Republic of China.

Acta Crystallographica. Section E, Structure Reports Online
|May 18, 2011
PubMed
Summary
This summary is machine-generated.

This study details the molecular structure of C(11)H(12)N(2)O(6), revealing stacked molecules linked by C-H⋯O interactions. Nitro groups exhibit slight dihedral angles with the benzene ring, indicating specific crystal packing.

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Area of Science:

  • Crystallography
  • Molecular structure analysis
  • Organic chemistry

Background:

  • Understanding molecular packing is crucial for predicting material properties.
  • Non-classical intermolecular interactions influence crystal lattice formation.
  • The arrangement of functional groups dictates molecular behavior.

Purpose of the Study:

  • To elucidate the crystal structure of C(11)H(12)N(2)O(6).
  • To investigate intermolecular interactions and molecular conformation.
  • To analyze the spatial arrangement of nitro groups relative to the benzene ring.

Main Methods:

  • Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
  • Analysis of intermolecular contacts, including C-H⋯O interactions.
  • Measurement of dihedral angles between nitro groups and the benzene ring.

Main Results:

  • The crystal structure of C(11)H(12)N(2)O(6) was determined.
  • Molecules are arranged in columns along the b axis without π-π stacking.
  • Non-classical C-H⋯O interactions link these molecular columns.
  • Nitro groups show small dihedral angles (9.4(5)° and 10.3(5)°) with the benzene ring.

Conclusions:

  • The crystal packing of C(11)H(12)N(2)O(6) is primarily governed by non-classical C-H⋯O interactions.
  • The observed molecular conformation with slightly twisted nitro groups is a key feature of this crystal structure.
  • This structural information provides a basis for understanding the compound's physical and chemical properties.