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C–H···π and C=O···π Intermolecular Interactions in Dibenzyl-3,6-dimethylpyrazine-2,5-dicarboxylate

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Abstract

A new pyrazine compound, has been synthesised and characterised by single-crystal X-ray diffraction: monoclinic, P21/c with a = 11.0707(3) Å, b = 5.23700(10) Å, c = 16.6997(5) Å, β = 103.5385(16)°, Mr = 376.40, V = 941.30(4) Å3, Z = 2. Each molecule possesses C i symmetry with the two halves of the molecule related by an inversion centre. C–H···π and C=O···π interactions held the molecules together.

Index Abstract

C–H···π and C=O···π intermolecular interactions in dibenzyl-3,6-dimethylpyrazine-2,5-dicarboxylate

Joana A. Silva, Ana C. Santos, Ana T. Marques, Manuela Ramos Silva, Ana Matos Beja, Abílio J. F. N. Sobrala

In dibenzyl-3,6-dimethylpyrazine-2,5-dicarboxylate, each molecule possesses C i symmetry. The molecules are assembled in chains via carbonyl···π interactions.

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Acknowledgement

This work was supported by Fundação para a Ciência e a Tecnologia under project POCI/AMB/55281/2004.

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Authors and Affiliations

  1. Chemistry Department, University of Coimbra, 3004-516, Coimbra, Portugal

    Joana A. Silva, Ana C. Santos, Ana T. Marques & Abílio J. F. N. Sobral

  2. CEMDRX, Physics Department, University of Coimbra, 3004-516, Coimbra, Portugal

    Manuela Ramos Silva & Ana Matos Beja

Authors
  1. Joana A. Silva
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  2. Ana C. Santos
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  3. Ana T. Marques
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  4. Manuela Ramos Silva
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  5. Ana Matos Beja
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  6. Abílio J. F. N. Sobral
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Corresponding author

Correspondence to Manuela Ramos Silva.

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Silva, J.A., Santos, A.C., Marques, A.T. et al. C–H···π and C=O···π Intermolecular Interactions in Dibenzyl-3,6-dimethylpyrazine-2,5-dicarboxylate. J Chem Crystallogr 38, 301–303 (2008). https://doi.org/10.1007/s10870-007-9307-5

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  • DOI: https://doi.org/10.1007/s10870-007-9307-5

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