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Crystal structure of l-prolyl-l-phenylalanine-o-methoxy hydrobromide*
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July 28, 2010
Abstract
l-Prolyl-l-phenylalanine-o-methoxy hydrobromide crystallizes in space group P21 with unit-cell dimensions a = 13.55 Å, b = 6.92 Å, c = 9.41 Å and β = 103.5°. The structure was determined by the heavy-atom method and refined by the full-matrix least-squares method to a final R value of 0.112. There is evidence in the three-dimensional difference map that one atom, C(3) of the pyrrolidine ring is disordered, being located on either side of the plane of the other four ring atoms. The molecules in the structure are stabilized by a system of hydrogen bonds.
Published Online: 2010-7-28
Published in Print: 1971-9-1
© 2015 Oldenbourg Wissenschaftsverlag GmbH, Rosenheimer Str. 145, 81671 München
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Articles in the same Issue
- Crystal structures of two twelve-layered CdI2 polytypes
- Determination of dispersion and polarization of thermal plane waves in crystals
- Die Molekular- und Kristallstruktur von trans-δ-[p-Methoxystyryl]-4-methoxy-α-pyron (Yangonin) C15H14O4 *
- The crystal structures of 2 M1 phengite and 2 M1 muscovite
- The force field of K feldspar
- Crystal structure of l-prolyl-l-phenylalanine-o-methoxy hydrobromide*
- The crystal structure of the mono-potassium salt of l-aspartic acid dihydrate
- Influence of heat-treatment on the average structure of Mg[Al2Si3O10], a stuffed derivative of the high-quartz structure *
- Protoenstatite: a crystal-structure refinement at 1100°C
- Electrostatic energy calculations of diaspore (α AlOOH), goethite (α FeOOH) and groutite (α MnOOH)
- U–O bond lengths and force constants in some uranyl minerals
- The crystal structure of 2,3,4,4-tetrachloro-1-keto-naphthalenedihydride at −160°C,
- Proposed structure of high-pressùre tellurium
- The coherent neutron scattering amplitude of caesium
- Die Kristallstruktur von Hg(OH)NO3
- Crystal data on bis(thiourea)silver(I) thiocyanate
- Crystal data for two synergistic complexes, UO2(TTA)2TBP and UO2(TTA)2TOPO
