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Crystal structure and spectroscopic properties of ammonium hydrogensquarate squaric acid monohydrate

✍ Scribed by Tsonko Kolev; Rüdiger W. Seidel; Bojidarka B. Koleva; Michael Spiteller; Heike Mayer-Figge; William S. Sheldrick


Book ID
106538218
Publisher
Springer
Year
2007
Tongue
English
Weight
337 KB
Volume
19
Category
Article
ISSN
1040-0400

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Polymorphs of 4-(dihydroxymethyl)pyridin
✍ T. Kolev; R.W. Seidel; B.B. Koleva; H. Mayer-Figge; M. Spiteller; W.S. Sheldrick 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 552 KB

The novel salt of a geminal diol 4-(dihydroxymethyl)pyridinium hydrogensquarate was derived from isonicotinaldehyde and squaric acid in water. Two polymorphs were characterized by means of single crystal X-ray diffraction and linear-polarized infrared (IR-LD) spectroscopy of oriented colloids in nem