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Solid-state structures of the α-CD nitromethane inclusion complex.

α-CD Nitromethane
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mod1 mod2 mod3 cpk1 bal1 bal2
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ell3 ellc ell4 elld rib1 rib2 rib3
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311_cpk1 311_pck4 311_pck3 311_pck2 311_pck1 311_bal1 311_bal2
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211_cpk1 211_pck4 211_pck3 211_pck2 211_pck1 211_bal1 211_bal2
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121_cpk1 121_pck4 121_pck3 121_pck2 121_pck1 121_bal1 121_bal2

For details see:

Molecular Modeling of Saccharides, Part XXIII. Topography of the 1:1 α-Cyclodextrin - Nitromethane Inclusion Complex. T. Nakagawa, S. Immel, F. W. Lichtenthaler, and H. J. Lindner, Carbohydr. Res. 2000, 324, 141-146.
Abstract / Fulltext PDF


Solid-state structures of α-CD p-iodoaniline trihydrate [1b], β-CD 1,4-butanediol * 6.25 H2O [2], γ-CD 12-crown-4 ether nonahydrate [3], and per-2,6-O-methyl-β-CD adamantanol dodecahydrate [4] inclusion complexes.

In all cases, the water of crystallization was removed. Surfaces and MLPs were calculated for all molecules separately, the complexes were subsequently reassembled. The MLPs were scaled for all molecules individually, no absolute values are displayed.

α-CD p-Iodo-aniline
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mlp3 mlp4 mlp5 mlp6 mlp7 mlp8 mlp9 mlp0 mlp1 mlp2
β-CD 1,4-Butanediol
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mlp3 mlp4 mlp5 mlp6 mlp7 mlp8 mlp9
γ-CD 12-Crown-4 ether
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mlp3 mlp4 mlp5 mlp6 mlp7 mlp8 mlp9
β-CD (methylated) Adamantol
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mlp3 mlp4 mlp5 mlp6 mlp7 mlp8 mlp9

Image Notes
mlp3 View on the 2-OH and 3-OH side of the torus (left side each), and on the 6-CH2OH side (right models); in the lower entries, the front-half of the surfaces has been clipped off.
mlp4 View on the 2-OH and 3-OH side of the torus (left side each), and on the 6-CH2OH side (right models)
mlp5 View on the 2-OH and 3-OH side of the torus (left side each), and on the 6-CH2OH side (right models), with the front-half of the surfaces being clipped off.
mlp6 View on the 6-CH2OH side (both entries), with the front-half of the surfaces being clipped off in the right model.
mlp7 View on the 2-OH and 3-OH side (both entries), with the front-half of the surfaces being clipped off in the right model.
mlp8,9 Side view models with all 2-OH and 3-OH groups pointing up, and the 6-CH2OH groups pointing down
mlp0 Side view models with all 2-OH and 3-OH groups pointing up, and the 6-CH2OH groups pointing down. In the left models, the MLPs are scaled for each molecule separately (individually). In the right entries, global (absolute) scaling was applied.
mlp1 View on the 2-OH and 3-OH side of the torus, MLP-scaling as in cia_mlp0
mlp2 View on the 6-CH2OH side, MLP-scaling as in cia_mlp0

For details see:

Molecular Modeling of Saccharides, Part XI. Towards Understanding the Formation and Stability of Cyclodextrin Inclusion Complexes: The Lipophilicity Patterns of some Typical Examples. F. W. Lichtenthaler and S. Immel, Starch/Stärke 1996, 48, 145-154.
Abstract


Solid-state structures of the bis(α-CD) lithium triodide iodine octahydrate inclusion complex [5].

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mlp

For details see:

Molecular Modeling of Saccharides, Part XI. Towards Understanding the Formation and Stability of Cyclodextrin Inclusion Complexes: The Lipophilicity Patterns of some Typical Examples. F. W. Lichtenthaler and S. Immel, Starch/Stärke 1996, 48, 145-154.
Abstract


Solid-state structures of β-CD 1-adamantane-carboxylic acid pentadecahydrate (left models each) [6] and β-CD 1-hydroxymethyl-adamantane undecahydrate (right models) [7] (private MLP scaling in all cases).

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mlp0 mlp1 mlp2 mlp3 mlp4 mlp5 mlp6

Image Notes
mlp0-2 Side view models of the dimeric units of the complexes in the solid-state. In "ada_mlp0" three water molecules are disordered over six positions (marked by the blue dots) within the central cavity, the approx. volume demanded by these water molecules is indicated by the light blue surface.
mlp3,5 View on the 2-OH and 3-OH side of one cyclodextrin unit each
mlp4,6 View on the 6-CH2OH side of one cyclodextrin unit

For details see:

Molecular Modeling of Saccharides, Part XI. Towards Understanding the Formation and Stability of Cyclodextrin Inclusion Complexes: The Lipophilicity Patterns of some Typical Examples. F. W. Lichtenthaler and S. Immel, Starch/Stärke 1996, 48, 145-154.
Abstract

Different packing schemes for solid-state structures of cyclodextrins as compared to amylose.

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acdprs bcdexd10 cdexia01 cydxli10 mlp rib


References (incl. CCDF-Refcodes)

[1] (a) W. Saenger, K. Beyer and P. C. Manor, Acta Crystallogr., Sect. B, 1976, 32, 120-128 (CDEXIA01).
(b) K. Harata, Bull. Chem. Soc. Jpn. 1975, 48, 2409-2413 (CDEXIA10).
[2] T. Steiner, G. Koellner, and W. Saenger, Carbohydr. Res. 1992, 228, 321-332 (KUTKOZ).
[3] S. Kamitori, K. Hirotsu, and T. Higuchi, J. Chem. Soc., Chem. Commun., 1986, 690-691 (DOCYID).
[4] M. Czugler, E. Eckle, J. J. Stezowski, J. Chem. Soc., Chem. Comm. 1981, 1291 (BEFJOL).
[5] M. Noltemeyer, W. Saenger, J. Am. Chem. Soc. 1980, 102, 2710 (CYDXLI10).
[6] J. A. Hamilton, M. N. Sabesan, Acta Crystallogr., Sect.B, 1982, 38, 3063 (BOGCAB).
[7] J. A. Hamilton, Carbohydr. Res. 1985, 142, 21-37 (FASXUS).

© Copyright PD Dr. S. Immel

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