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Elaidic acid (trans-9-octa­decenoic acid)

✍ Scribed by Low, John Nicolson ;Scrimgeour, Charlie ;Horton, Peter

Book ID
104485524
Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
93 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis

Elaidic acid, C 18 H 34 O 2 , has an essentially linear alkyl chain. The double bond is twisted across the mean direction of the alkyl chain in a skew 0 , trans, skew conformation. In the crystal structure, the molecules form centrosymmetric O-HÁ Á ÁO hydrogen-bonded dimers (OÁ Á ÁO = 2.684 A ˚).

📜 SIMILAR VOLUMES

Structure and polymorphic transformation
Structure and polymorphic transformations in elaidic acid (trans-ω9-octadecenoic acid)
✍ Satoru Ueno; Toshiyuki Suetake; Junko Yano; Masao Suzuki; Kiyotaka Sato 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 491 KB

A study of polymorphic transformations in elaidic acid (trans-~9-octadecenoic acid) was performed with differential scanning calorimetry, X-ray diffractometry, Fourier transform infrared spectroscopy and optical microscopy. One polymorph was isolated whose melting temperature was 44.5°C, and enthalp