J. D. Forrester
University of California, Berkeley
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Featured researches published by J. D. Forrester.
Journal of Chemical Physics | 1963
Allan Zalkin; J. D. Forrester; David H. Templeton
According to single‐crystal x‐ray diffraction data, crystals of Ce2Mg3(NO3)12·24H2O are rhombohedral, space group R3. The hexagonal cell with a = 11.004±0.006, c = 34.592±0.012 A contains three formula units. Atomic parameters were refined by least squares, and interatomic distances were corrected for thermal motion. The average N–O bond distance in nitrate is 1.26 A. The Ce atoms, on the threefold axis at z = ±0.2497, are each surrounded by 12 oxygen atoms at an average distance of 2.64 A. These oxygen atoms, belonging to six nitrate ions, are at the corners of a somewhat irregular icosahedron. The Mg atoms are of two kinds, located, respectively, at the origin and on the threefold axis at z = ±0.4279. Each Mg atom is surrounded by six water molecules with the oxygen atoms at the corners of an octahedron with an average Mg–O distance of 2.07 A. One‐fourth of the water molecules are not coordinated to cations. Evidence for the hydrogen atom positions from the diffraction data indicates that six of the ei...
Science | 1964
Allan Zalkin; J. D. Forrester; David H. Templeton
The crystal structure of ferrichrome A (C41H58N9O20Fe�4H2O) has been determined by x-ray diffraction. The amino acid sequence in the hexapeptide ring is confirmed to be -Orn-Orn-Orn-Ser-Ser-Gly-, and the conformation of this ring is trans at each peptide linkage. The absolute configuration of the three hydroxamate rings at the iron atom is that of a left-handed propeller. Disorder is found concerning the positions of some of the side chains and one of the four water molecules.
Journal of the American Chemical Society | 1964
Allan Zalkin; J. D. Forrester; David H. Templeton; Stanley M. Williamson; Charles W. Koch
Author(s): Zalkin, Allan; Forrester, J.D.; Templeton, David. H.; Williamson, Stanley M.; Koch, Charles W.
Science | 1963
Allan Zalkin; J. D. Forrester; David H. Templeton; Stanley M. Williamson; Charles W. Koch
Sodidm perxenate hexahydrate ( NatXeO6.6H: O) has been identified from study of its crystal structure by x-ray diffraclion. The perxenate ion( XeO64) has the shape of a regular octahedron with the Xe-O bond distance 1.84 A.
Archive | 1963
David H. Templeton; Allan Zalkin; J. D. Forrester; Stanley M. Williamson
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Journal of the American Chemical Society | 1966
Allan Zalkin; J. D. Forrester; David H. Templeton
Acta Crystallographica | 1964
Allan Zalkin; J. D. Forrester; David H. Templeton
Journal of the American Chemical Society | 1963
David H. Templeton; Allan Zalkin; J. D. Forrester; Stanley M. Williamson
Acta Crystallographica | 1963
J. D. Forrester; Michael E. Senko; Allan Zalkin; David H. Templeton
Journal of the American Chemical Society | 1963
David H. Templeton; Allan Zalkin; J. D. Forrester; Stanley M. Williamson