Bis(melaminium) hydrogen phosphite tetrahydrate
✍ Scribed by Gordon, Laura E. ;Harrison, William T. A.
- Publisher
- International Union of Crystallography
- Year
- 2003
- Tongue
- English
- Weight
- 576 KB
- Volume
- 59
- Category
- Article
- ISSN
- 1600-5368
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## Abstract The polarized Raman and IR spectra of Mg(NH~4~)~2~(HPO~4~)~2~·4H~2~O and its partially deuterated polycrystalline sample were recorded and analysed. The presence of bands characteristic of HPO^2−^~4~ and DPO^2−^~4~ ions are interpreted in terms of the proton polarizabilities of the HPO^
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.007 A Ê R factor = 0.054 wR factor = 0.150 Data-to-parameter ratio = 15.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
Hydrogen m-aspartate complexes / Magnesium hydrogen DL-aspartate tetrahydrate / Hydrogen bonding Magnesium hydrogen L-aspartate hydrogen Baspartate tetrahydrate M~(D-As~H)(L-As~H) . 4 H20 crystallizes on cooling from the reaction mixture obtained from equivalent quantities of racemic aspartic acid a
Single-crystal X-ray study T = 120 K Mean '(C±C) = 0.005 A Ê R factor = 0.026 wR factor = 0.095 Data-to-parameter ratio = 11.1 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.