Laterally non-symmetric aza cryptand molecules stitched by water


Crystal structure of the compound L·4H2O (L = aza cryptand) and its supramolecular assembly via H-bonding through water molecules are described here. The compound crystallizes in the cubic space group Pa3 (no. 205) with the following lattice parameters: a=b=c=19.023(2) Å, V=6883.9(4) Å3, Z=8, R 1=0.0592, wR 2 = 0.1572, S=0.964.

This is a preview of subscription content, log in to check access.

Schema 1
Fig. 1
Fig. 2
Fig. 3


  1. 1.

    Schneider HJ, Yatsimirsky AK (2000) Principle and methods in supramolecular chemistry. Wiley

  2. 2.

    Desiraju GR (1989) Crystal engineering of organic solids. Elsevier, Amsterdam

  3. 3.

    Chand DK, Ragunathan K, Bharadwaj PK, Mak TCW (1996) J Org Chem 61:1169

    Article  CAS  Google Scholar 

  4. 4.

    SAINT+, 6.02 ed.; Bruker AXS, Madison, WI 1999

  5. 5.

    Sheldrick GM (1997) SADABS, Empirical absorption correction program. University of Göttingen, Germany

  6. 6.

    XPREP, 5.1 ed. Siemens Industrial Automation Inc., Madison, WI 1995

  7. 7.

    Sheldrick GM (1997) SHELXTLTM Reference Manual: version 5.1, Bruker AXS, Madison, WI

  8. 8.

    Sheldrick GM (1997) SHELXL-97: program for crystal structure refinement. University of Göttingen, Göttingen, Germany

Download references


We gratefully acknowledge the financial support received from the Council of Scientific and Industrial Research, New Delhi, India (grant no. 1638/EMR II) and a SRF to S.G.

Author information



Corresponding author

Correspondence to Parimal K. Bharadwaj.

Additional information

Supplementary materials

Crystallographic data for the structural analysis have been deposited with the Cambridge Crystallographic Data Centre, CCDC No. 258900 for compound 1. Copies of this information may be obtained free of charge from The Director, CCDC, 12 Union Road, Cambridge CB2 1EZ, UK [fax: (int. code) +44(1223) 336-033 or e-mail: Cambridge Crystallographic Data Centre (CCDC) or the website].

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Ghosh, S.K., Bharadwaj, P.K. Laterally non-symmetric aza cryptand molecules stitched by water. Struct Chem 18, 145–148 (2007).

Download citation


  • Cryptands
  • H-bonding
  • Supramolecular assembly