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Helena Ruben

University of California, Berkeley

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Acta Crystallographica | 1964

The crystal structure and hydrogen bonding of magnesium sulfate hexahydrate

Allan Zalkin; Helena Ruben; David H. Templeton

The atomic parameters were refined by least squares, X-ray counter data being used for 2576 independent reflections. The positions of the hydrogen atoms found by least squares and by Fourier methods confirm the assignment of hydrogen bonds made previously for the isomorphous CoSO4.6H20. Average interatomic distances are: water coordinated to Mg, Mg-O = 2-06 A; hydrogen bonds, 0 -0=2 .82 A; sulfate ion, S-O=1.473 /~ (uncorrected), 1.486 ~ (corrected for thermal motion).

Inorganic Chemistry | 1980

Divalent lanthanide chemistry. Bis (pentamethylcyclopentadienyl) europium(II) and -ytterbium(II) derivatives: crystal structure of bis (pentamethylcyclopentadienyl) (tetrahydrofuran ytterbium(II) -hemitoluene at 176 K

T. Don Tilley; Richard A. Andersen; Brock Spencer; Helena Ruben; Allan Zalkin; David H. Templeton

Inorganic Chemistry | 1974

Crystal structure of sodium gold(I) thiosulfate dihydrate, Na/sub 3/Au(S/sub 2/O/sub 3/)/sub 2/. 2H/sub 2/O

Helena Ruben; Allan Zalkin; Marjorie O. Faltens; David H. Templeton

Journal of the American Chemical Society | 1961

Crystal Structure and Entropy of Sodium Sulfate Decahydrate

Helena Ruben; David H. Templeton; Robert D. Rosenstein; Ivar Olovsson

Inorganic Chemistry | 1978

Structure of a new uranyl sulfate hydrate,. cap alpha. -2UO/sub 2/SO/sub 4/ 7H/sub 2/O/sup 1/

Allan Zalkin; Helena Ruben; David H. Templeton

Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry | 1982

Anomalous scattering by praseodymium, samarium and gadolinium and structures of their ethylenediaminetetraacetate (edta) salts

L. K. Templeton; David H. Templeton; Allan Zalkin; Helena Ruben

Inorganic Chemistry | 1980

Structure of Di-. mu. -aquo-bis(dioxobis(nitrato)uranium(VI))-diimidazole, (UO/sub 2/(NO/sub 3/)/sub 2/(H/sub 2/O))/sub 2/. 2C/sub 3/H/sub 4/N/sub 2/, a water-bridged dimer of uranyl nitrate

Dale L. Perry; Helena Ruben; David H. Templeton; Allan Zalkin

Acta Crystallographica | 1962

The crystal structure of cobalt sulfate hexahydrate

Allan Zalkin; Helena Ruben; David H. Templeton

Journal of the American Chemical Society | 1975

Conformational analysis in multisulfur heterocycles. VIII. 3,3:6,6-Bis(tetramethylene)-s-tetrathiane and 3,3:6,6-Bis(pentamethylene)-s-tetrathiane. Slow s-tetrathiane chair-to-twist, chair-to-chair, and twist-to-twist interconversions. X ray crystallographic studies

C. Hackett Bushweller; Geetha Bhat; Leo J. Letendre; Jacques A. Brunelle; Howard S. Bilofsky; Helena Ruben; David H. Templeton; Allan Zalkin

Inorganic Chemistry | 1982

Synthesis, characterization, and structure of a uranyl complex with a disulfide ligand, bis(di-n-propylammonium) disulfidobis(di-n-propylthiocarbamato)dioxouranate(VI)

Dale L. Perry; Allan Zalkin; Helena Ruben; David H. Templeton

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David H. Templeton

University of California

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Allan Zalkin

University of California

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Dale L. Perry

Lawrence Berkeley National Laboratory

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Richard A. Andersen

University of California

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C. Hackett Bushweller

Worcester Polytechnic Institute

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Howard S. Bilofsky

Worcester Polytechnic Institute

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Jacques A. Brunelle

Worcester Polytechnic Institute

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Norman M. Edelstein

Lawrence Berkeley National Laboratory

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Richard R. Rietz

Indiana University Bloomington

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Vera V. Mainz

University of California

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