Details

Autor(en) / Beteiligte

• Ai, Chang-chun
• Xiao, Yong
• Chen, Shuo-ping
• Liu, Qiao-yun
• Pan, Ling-ling
• Yuan, Yi-xuan
• Yuan, Liang-jie

Titel

Solid State Structures of Anhydrous 1-Aminoethylidenediphosphonic Acid

Ist Teil von

• Journal of chemical crystallography, 2011-08, Vol.41 (8), p.1202-1207

Ort / Verlag

Boston: Springer US

Erscheinungsjahr

2011

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• The 1-aminoethylidenediphosphonic acid (AEDPH 4 ) is anhydrous when it is synthesized according to the U.S. Patent 4239695. It crystallizes in water to form hydrous crystal AEDPH 3 ·H 3 O ( 1 ). With the help of a simple low-temperature, low-pressure hydrothermal method and template 2,2′-bidpyridyl (2,2′-bipy), single crystals with the same structure of the anhydrous AEDPH 4 ( 2 ) is obtained. Compound 2 were characterized by elemental analysis (EA), infrared spectrometry (IR), thermogravimetric analysis (TGA) and X-ray single crystal diffraction. In compounds 2 , the AEDPH 4 molecules are linked into 3D supramolecules by various hydrogen bonds. Graphical Abstract The 1-aminoethylidenediphosphonic acid (AEDPH 4 ) is anhydrous. It crystallizes in water to form hydrous crystal AEDPH 3 ·H 3 O ( 1 ). However, the single crystal of the anhydrous AEDPH 4 ( 2 ), must be obtained via a simple low-temperature, low-pressure hydrothermal method and with 2,2′-bipy as template.