Hydrogen Bonded Framework Structures Constructed from 2-(Pyridyl N-oxide) Methylphosphonic Acid Ligands and Erbium(III)

Inorganic Chemistry

Volumn 43, Issue 7, 2004, Pages 2443-2448

  Gan, Xin Min ^a   Binyamin, Iris ^a   Rapko, Brian M ^a,b   Fox, Jesse ^a   Duesler, Eileen N ^a   Paine, Robert T ^a  

^a UNIVERSITY OF NEW MEXICO   (United States)

^b PACIFIC NORTHWEST NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

2 (PYRIDYL N OXIDE)HYDROXYMETHYLPHOSPHONIC ACID; 2 (PYRIDYL N OXIDE)METHYLPHOSPHONIC ACID; COORDINATION COMPOUND; ERBIUM; LIGAND; PHOSPHONIC ACID DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; COMPLEX FORMATION; CRYSTAL STRUCTURE; HYDROGEN BOND; STRUCTURE ANALYSIS; SYNTHESIS; X RAY DIFFRACTION;

EID: 1842484836     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic0351850     Document Type: Article

References (18)

1. Clearfield, A. Prog. Inorg. Chem. 1998, 47, 371 and references therein.
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3. Wang, R. C.; Zhang, Y.; Hu, H.; Frausto, R. R.; Clearfield, A. Chem. Mater. 1992, 4, 864.
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7. Bond, E. M.; Gan, X.; FitzPatrick, J. R.; Paine, R. T. J. Alloys Compd. 1998, 271-273, 172.
8. Paine, R. T. In Separations off-Elements; Nash, K. L., Choppin, G. R., Eds.; Plenum: New York, 1995; p 63.
9. Gan, X.; Paine, R. T. Unpublished results.
10. Characterization data for 2-(chloromethyl) pyridine have been summarized in a previous report: Engelhardt, U.; Rapko, B. M.; Duesler, E. N.; Frutos, D.; Paine, R. T. Polyhedron 1995, 14, 2361.
11. Sheldrick, G. M. SHELXL 97; Bruker Instruments: Madison, WI, 1999.
12. 2].
13. Tan, Y.; Gan, X.; Stanchfield, J. L.; Duesler, E. N.; Paine, R. T. Inorg. Chem, 2001, 40, 2910.
14. Rapko, B. M.; Duesler, E. N.; Smith, P. H.; Paine, R. T.; Ryan, R. R. Inorg. Chem. 1993, 32, 2164.
15. The calculated hydrogen bond interaction parameters in 4-H include the following: P-O(2)-H(2A)⋯O(3B) 1.775 Å, O(2)⋯O(3B) 2.579 Å, O(2)-H-O(3B) 157.1°; N-O(1)-H(1A)⋯O(4A) 1.610 Å, O(1)⋯ O(4A) 2.453 Å, O(1)-H(1A)-O(4A) 170.6; C(6)-O(5)-H(5A)⋯ O(3C) 1.876 Å, O(5)⋯O(3C) 2.716, O(5)-H(5A)-O(3C) 168.9°; P-O(4)-H(4A)⋯O(1D) 1.619 Å, O(4)⋯O(1D) 2.543 Å, O(4)-H(4A)-O(1D) 166.5°.
16. - ligand containing P(1) is ordered with a H-atom on O(3) and O(4) carrying the formal minus charge. The ligand containing P(2) is disordered so that the H-atom on P(2)-O(8) is only present 50% of the time while the H on P(2)-O(9) is present all of the time. Relative to the asymmetric unit, the ligand containing P(2) has a -1/2 charge on the average.
17. Gan, X.; Duesler, E. N.; Paine, R. T. Inorg. Chem. 2002, 41, 5849.
18. Effective ionic radii for Er(III) (CN = 8) and Tb(III) (CN = 8) are 1.00 Å and 1.04 Å, respectively. Shannon, R. D.; Prewitt, C. T. Acta Crystallogr. 1970, B26, 1076.