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[N-(Phosphono­meth­yl)ethyl­ammonio]methyl­phospho­nate

✍ Scribed by Ying, Shao-Ming ;Lin, Jun-Yue ;Zhou, Guang-Pei ;Luo, Qiu-Yan ;Wu, Jian-Hong

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
298 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, C~5~H~15~NO~6~P~2~, exists as a zwitterion. The N atom of the amino group is protonated and one of the phosphonic acid groups is deprotonated. The molecules form hydrogen-bonded (202) layers.

📜 SIMILAR VOLUMES

Ethyl [(2-hydroxy­ethyl­aminio)(2-hydrox
Ethyl [(2-hydroxy­ethyl­aminio)(2-hydroxy­phen­yl)meth­yl]phospho­nate dihydrate
✍ Zhang, Xiang-Dong ;Yu, Zhan ;Ma, Yong-Chao ;Zhao, Zhen ;Zhu, Miao-Li 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 382 KB

The organic moiety of the title compound, C 11 H 18 NO 5 PÁ2H 2 O, is zwitterionic. The crystal packing is stabilized by N-HÁ Á ÁO and O-HÁ Á ÁO hydrogen bonds.

O,O-Diethyl ({1-[(6-chloro­pyridin-3-yl)
O,O-Diethyl ({1-[(6-chloro­pyridin-3-yl)meth­yl]-5-methyl-1H-1,2,3-triazol-4-ylcarbon­yloxy}phen­yl­meth­yl)phospho­nate
✍ Chen, Xiao-Bao ;Shi, De-Qing 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 239 KB

In the title compound, C 21 H 24 ClN 4 O 5 P, the P atom adopts a distorted tetrahedral configuration. In the crystal structure, inter-and intramolecular C-HÁ Á ÁO hydrogen bonds contribute to the stability of the structure, andstacking interactions are also observed.

O,O-Diethyl [({1-[(2-chloro­thia­zol-5-y
O,O-Diethyl [({1-[(2-chloro­thia­zol-5-yl)meth­yl]-5-methyl-1H-1,2,3-triazol-4-yl}carbon­yloxy)phenyl­meth­yl]phospho­nate
✍ Chen, Xiao-Bao ;Shi, De-Qing 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 232 KB

In the title compound, C 19 H 22 ClN 4 O 5 PS, the P atom adopts a distorted tetrahedral configuration. Intra-and intermolecular C-HÁ Á ÁO hydrogen bonds, together with weak C-HÁ Á Á hydrogen bonding and strongstacking interactions, stabilize the crystal structure.