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The crystal structures of NaAlR4, R=methyl, ethyl, and n-propyl

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Abstract

The crystal structures of the title compounds have been determined from diffractometer data and refined by full-matrix least squares. NaAlMe4 is orthorhombic,Cmcm,a=9.234(3),b=9.221(3),c=8.303(2) Å,Z=4,D c=1.03 g cm−3,R=0.029 for 278 data. NaAlEt4 is monoclinic,P21/c (No. 14),a=13.900(2),b=13.207(2),c=14.443(1) Å,β=117.43(1)°,Z=8,D c=0.94 g cm−3,R=0.056 for 2747 data. NaAl(n-Pr)4 is monoclinic,C2/c,a=9.802(5),b=15.336(4),c=21.611(10) A,β=98.34(4)°,Z=8,D c=0.92 g cm−3,R=0.072 for 899 data. Coordination of Al is essentially tetrahedral in all structures, and closest contacts to Na+ involveα-carbon atoms of alkyl groups.

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References

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Author notes

  1. Robin D. Rogers

    Present address: Department of Chemistry, Northern Illinois University, 60115, Dekalb, Illinois

Authors and Affiliations

  1. Department of Chemistry, Louisiana State University, 70803, Baton Rouge, Louisiana

    James H. Medley, Frank R. Fronczek, Naseer Ahmad & M. C. Day

  2. Department of Chemistry, University of Alabama, 35486, University, Alabama

    Robin D. Rogers, C. Reid Kerr & Jerry L. Atwood

Authors
  1. James H. Medley
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  2. Frank R. Fronczek
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  3. Naseer Ahmad
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  4. M. C. Day
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  5. Robin D. Rogers
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  6. C. Reid Kerr
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  7. Jerry L. Atwood
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Medley, J.H., Fronczek, F.R., Ahmad, N. et al. The crystal structures of NaAlR4, R=methyl, ethyl, and n-propyl. Journal of Crystallographic and Spectroscopic Research 15, 99–107 (1985). https://doi.org/10.1007/BF01181798

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  • DOI: https://doi.org/10.1007/BF01181798

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