Triethylammonium hydrogen fumarate.
In crystals of the title compound, the hydrogen fumarate anions form one-dimensional chains through an O-H.O hydrogen bonding along the c and (a+b)/2 directions. There are three sites of the hydrogen fumarate, two of which have an inversion centre.
Hosomi
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Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi 3-14-1, Kohoku-ku, Yokohama 223-8522, Japan.
Ohba
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Ito
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Y