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Alan Howie

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Chemicals & Drugs

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X Ray Crystallography

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Publications

TOP 3
James L Wardell; R Alan Howie; John N Low; Christopher Glidewell
A re-examination of supramolecular aggregation in two polymorphs of acetone 2,4-dinitrophenylhydrazone.
Thomas C Baddeley; R Alan Howie; Janet M S Skakle; James L Wardell
1,2,3,4-Tetra-O-acetyl-beta-D-glucopyranuronic acid monohydrate at 120 K and anhydrous 1,2,3,4-tetra-O-acetyl-beta-D-glucopyranose at 292 K.
Núbia Boechat; Lindalva C Maciel; Angelo C Pinto; Solange M S V Wardell; Janet M S Skakle; R Alan Howie
2-(2-Acetylamino-5-chlorophenyl)-2,2-difluoroethanoic acid and 2-(2-acetylamino-5-methylphenyl)-2,2-difluoroethanoic acid, and 2-(2-acetylaminophenyl)-2,2-difluoro-N-phenylacetamide and 2-(2-acetylaminophenyl)-N-(4-chlorophenyl)-2,2-difluoroacetamide: examples of variation in molecular packing and hydrogen-bonding motif induced by substituent change.

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All Publications

2007: James L Wardell; R Alan Howie; John N Low; Christopher Glidewell
A re-examination of supramolecular aggregation in two polymorphs of acetone 2,4-dinitrophenylhydrazone.
Acta crystallographica. Section C, Crystal structure communications 2007;63(Pt 4):o231-3.
2005: Thomas C Baddeley; R Alan Howie; Janet M S Skakle; James L Wardell
1,2,3,4-Tetra-O-acetyl-beta-D-glucopyranuronic acid monohydrate at 120 K and anhydrous 1,2,3,4-tetra-O-acetyl-beta-D-glucopyranose at 292 K.
Acta crystallographica. Section C, Crystal structure communications 2005;61(Pt 12):o711-4.
2005: Núbia Boechat; Lindalva C Maciel; Angelo C Pinto; Solange M S V Wardell; Janet M S Skakle; R Alan Howie
2-(2-Acetylamino-5-chlorophenyl)-2,2-difluoroethanoic acid and 2-(2-acetylamino-5-methylphenyl)-2,2-difluoroethanoic acid, and 2-(2-acetylaminophenyl)-2,2-difluoro-N-phenylacetamide and 2-(2-acetylaminophenyl)-N-(4-chlorophenyl)-2,2-difluoroacetamide: examples of variation in molecular packing and hydrogen-bonding motif induced by substituent change.
Acta crystallographica. Section C, Crystal structure communications 2005;61(Pt 5):o270-5.
2005: Nadia M Comerlato; Glaucio B Ferreira; William T A Harrison; R Alan Howie; James L Wardell
Bis(tetra-n-butylammonium) and bis(tetraphenylphosphonium) salts of tris(2-oxo-1,3-dithiole-4,5-dithiolato)stannate(IV), both at 120 K.
Acta crystallographica. Section C, Crystal structure communications 2005;61(Pt 3):m139-43.
2004: R Alan Howie; John N Low; James L Wardell; Christopher Glidewell
Hydrogen bonding in C-substituted nitroanilines: a chain of R3 3(12)rings in 2-methanesulfonyl-4-nitroaniline.
Acta crystallographica. Section C, Crystal structure communications 2004;60(Pt 1):o84-6.
2003: Joäo A S Bomfim; Carlos A L Filgueiras; R Alan Howie; Janet M S Skakle; James L Wardell
Isomorphous dichloro- and dibromo(2-methyl-2-phenylpropyl)phenylstannane, both displaying the same intramolecular pi-pi interaction at 120 K.
Acta crystallographica. Section C, Crystal structure communications 2003;59(Pt 12):m526-9.
2003: R Alan Howie; Abdul Jabbar; John R Lewis; Shaikh S Nizami; Craig F Ritchie
2-(2,1-benzoxazol-3-yl)-3,5-dimethoxyphenol and 3-phenyl-2,1-benzoxazole.
Acta crystallographica. Section C, Crystal structure communications 2003;59(Pt 9):o516-9.
2003: R Alan Howie; James L Wardell
Polymeric tris(mu2)-acetone-kappa2O:O)sodium polyiodide at 120 K.
Acta crystallographica. Section C, Crystal structure communications 2003;59(Pt 5):m184-6.
2003: Matthew G Skellern; R Alan Howie; Eric E Lachowski; Janet M S Skakle
Barium-deficient celsian, Ba1-xAl2-2xSi2+2xO8 (x = 0.20 or 0.06).
Acta crystallographica. Section C, Crystal structure communications 2003;59(Pt 2):i11-4.
2002: M John Plater; Mark R St-J Foreman; R Alan Howie
Polymeric diaqua(mu(2)-2,2'-bipyrimidinyl-kappa4N1,N1':N3,N3')-di-mu(3)-hydroxy-bis(mu(5)-benzene-1,3,5-tricarboxylato-kappa5O1:O2:O3:O3:O5)tetracobalt(II) dihydrate.
Acta crystallographica. Section C, Crystal structure communications 2002;58(Pt 10):m487-9.
2002: Christopher Glidewell; R Alan Howie; John N Low; Janet M S Skakle; Solange M S V Wardell; James L Wardell
Nine isomeric nitrobenzylidene-iodoanilines: interplay of C-H...O hydrogen bonds, iodo...nitro interactions and aromatic pi...pi stacking interactions.
Acta crystallographica. Section B, Structural science 2002;58(Pt 5):864-76.
2002: William T A Harrison; R Alan Howie; Janet M S Skakle; James L Wardell
6,6-Diphenyl-6,7-dihydro-5H-1,3,4,8-tetrathia-6-stannazulene-2-thione and 6,6'-spirobi[6,7-dihydro-5H-1,3,4,8-tetrathia-6-stannazulene]-2,2'-dithione.
Acta crystallographica. Section C, Crystal structure communications 2002;58(Pt 6):m351-4.
2002: Nadia M Comerlato; William T A Harrison; R Alan Howie; John Nicolson Low; Alexandre C Silvino; James L Wardell; Solange M S V Wardell
Bis(tetra-n-butylammonium) (a redetermination at 150K) and bis(tetraphenylarsonium) bis(1,3-dithiole-2-thione-4,5-dithiolato)zinc(II) (at 300K).
Acta crystallographica. Section C, Crystal structure communications 2002;58(Pt 2):m105-8.
2001: G L Crossetti; Carlos A L Filgueiras; R Alan Howie; James L Wardell; C M Ziglio
Dibromo [N-[2-(diphenylphosphino)benzylidene]-2,6-diisopropylaniline-kappa 2N,]nickel.
Acta crystallographica. Section C, Crystal structure communications 2001;57(Pt 11):1279-81.
2001: R Alan Howie; James L Wardell
Dichlorobis(4-methylpentan-2-onato-C4,O)tin(IV) and bis(4-methylpentan-2-onato-C4,O)(2-thioxo-1,3-dithiole-4,5-dithiolato-S,S')tin(IV) at 150 K.
Acta crystallographica. Section C, Crystal structure communications 2001;57(Pt 9):1041-3.
2001: J C Davison; Mark R St-J Foreman; R Alan Howie; M John Plater; Janet M S Skakle
A new polymorph, form C, of [1,2-bis(diphenylphosphino)ethane]-dichloronickel(II).
Acta crystallographica. Section C, Crystal structure communications 2001;57(Pt 6):690-3.
1988: J B Craig; D Hopkins; R Alan Howie
A precision drop-fall detector for polarographic and electrocapillary work.
Talanta 1988;35(5):401-2.