“Whoa! It's like Spotify but for academic articles.”

Instant Access to Thousands of Journals for just $40/month

Unit cells and space groups of citric acid and some potassium and sodium citrates

<h2>Acta Crystallographica</h2><h3></h3><h3>0365-110X</h3> <h2>short communications</h2> Volume 7 Part 1 Pages 137-138 January 1954 <h2>Unit cells and space groups of citric acid and some potassium and sodium citrates</h2> D. M. Burns and I. Iball Aeta Cryst. (1954). 7, 137 Unit cells and space groups of citric acid and some potassium and sodium citrates. By D. M. BuRNs* and J. IB~L, University of St. Andrews, Physics Department, University College, Dundee, Scotland (Received 28 September 1953 and in revised form 23 October 1953) Citric acid monohydrate previously. The crystals used in the present investigation Groth (1906-19) reports this substance as rhombic were obtained by recrystallization of 'Analar' grade from bipyramidal (mmm) with axial ratios 0.6740:1:1.6621, cold water. They were deliquescent and small crystals but no X-ray data have apparently been published were coated with collodion to preserve them. The X-ray 138 SHORT COMMUNICATIONS photographs confirmed that the crystals are orthorhombic with, a ---- 6.290±0.003, b ---- 9.318±0.005, c ---- 15.39~-0.01 A. These give 0.674:1 : 1.652 for the axial ratios. Taking the density to be 1.548 g.cm.-3 (the mean of the two values, 1.542 and 1-553 g.cm.-s given by Groth), the unit cell contains 4 molecules of Cerise~. HsO per unit cell http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Crystallographica International Union of Crystallography

Unit cells and space groups of citric acid and some potassium and sodium citrates

Abstract

<h2>Acta Crystallographica</h2><h3></h3><h3>0365-110X</h3> <h2>short communications</h2> Volume 7 Part 1 Pages 137-138 January 1954 <h2>Unit cells and space groups of citric acid and some potassium and sodium citrates</h2> D. M. Burns and I. Iball Aeta Cryst. (1954). 7, 137 Unit cells and space groups of citric acid and some potassium and sodium citrates. By D. M. BuRNs* and J. IB~L, University of St. Andrews, Physics Department, University College, Dundee, Scotland (Received 28 September 1953 and in revised form 23 October 1953) Citric acid monohydrate previously. The crystals used in the present investigation Groth (1906-19) reports this substance as rhombic were obtained by recrystallization of 'Analar' grade from bipyramidal (mmm) with axial ratios 0.6740:1:1.6621, cold water. They were deliquescent and small crystals but no X-ray data have apparently been published were coated with collodion to preserve them. The X-ray 138 SHORT COMMUNICATIONS photographs confirmed that the crystals are orthorhombic with, a ---- 6.290±0.003, b ---- 9.318±0.005, c ---- 15.39~-0.01 A. These give 0.674:1 : 1.652 for the axial ratios. Taking the density to be 1.548 g.cm.-3 (the mean of the two values, 1.542 and 1-553 g.cm.-s given by Groth), the unit cell contains 4 molecules of Cerise~. HsO per unit cell
Loading next page...
 
/lp/international-union-of-crystallography/unit-cells-and-space-groups-of-citric-acid-and-some-potassium-and-lFVTj5itMc

Sorry, we don't have permission to share this article on DeepDyve,
but here are related articles that you can start reading right now: