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Bis(diethylenetriammonium) trioxalate tetrahydrate, (C4H16N33+)2.(C2O42-)3.4H2O, is polymorphic. The all-trans conformation of the cation in the monoclinic form of the title compound leads to a less compact hydrogen bond network and an increase in unit cell volume of 5% compared with the triclinic form in which the cation adopts a trans-gauche conformation.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks jcb14bI, jcb14aII, global

hkl

Structure factor file (CIF format)
Contains datablock {i:\struct\jcb14b\jcb14b}

hkl

Structure factor file (CIF format)
Contains datablock jcb14aII

CCDC references: 130117; 130118

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