The Modulated Crystal Structure of the Molecular Adduct of 2,4,6-Trinitrobenzoic Acid with 2,6-Diaminopyridine
Smith, Graham; Bott, R; Rae, A David; Willis, Anthony
Description
The 1 : 1 adduct of 2,4,6-trinitrobenzoic acid (tnba) with 2,6-diaminopyridine (2,6-dap), [(2,6-dap)+(tnba)-], has been prepared and the low-temperature crystal structure has been determined by X-ray crystallography. A modulated structure has been identified and refined by using a stacking fault model that requires reflection data to be put on three scales depending on an index condition. Crystals are triclinic, space group P Ī, with Z 8 in a cell of dimensions a 13.538(3), b 14.516(4), c...[Show more]
dc.contributor.author | Smith, Graham | |
---|---|---|
dc.contributor.author | Bott, R | |
dc.contributor.author | Rae, A David | |
dc.contributor.author | Willis, Anthony | |
dc.date.accessioned | 2015-12-08T22:43:35Z | |
dc.date.available | 2015-12-08T22:43:35Z | |
dc.identifier.issn | 0004-9425 | |
dc.identifier.uri | http://hdl.handle.net/1885/37348 | |
dc.description.abstract | The 1 : 1 adduct of 2,4,6-trinitrobenzoic acid (tnba) with 2,6-diaminopyridine (2,6-dap), [(2,6-dap)+(tnba)-], has been prepared and the low-temperature crystal structure has been determined by X-ray crystallography. A modulated structure has been identified and refined by using a stacking fault model that requires reflection data to be put on three scales depending on an index condition. Crystals are triclinic, space group P Ī, with Z 8 in a cell of dimensions a 13.538(3), b 14.516(4), c 16.480(4) Å; α 97.17(2), β 105.69(2), γ 106.09(2)°. The structure involves proton transfer from the tnba molecule to the 2,6-dap molecule, with the resulting pyridinium proton and an amine proton interacting with the carboxyl oxygens of the tnba molecule in a primary cyclic hydrogen-bonding association. Additional peripheral hydrogen bonding completes a two-dimensional sheet structure. $ CSIRO 2000. | |
dc.publisher | CSIRO Publishing | |
dc.source | Australian Journal of Chemistry | |
dc.subject | Keywords: Adduct; Diaminopyridine; Proton transfer; Trinitrobenzoic acid; X-ray crystallography | |
dc.title | The Modulated Crystal Structure of the Molecular Adduct of 2,4,6-Trinitrobenzoic Acid with 2,6-Diaminopyridine | |
dc.type | Journal article | |
local.description.notes | Imported from ARIES | |
local.description.refereed | Yes | |
local.identifier.citationvolume | 53 | |
dc.date.issued | 2000 | |
local.identifier.absfor | 030505 - Physical Organic Chemistry | |
local.identifier.ariespublication | MigratedxPub148 | |
local.type.status | Published Version | |
local.contributor.affiliation | Smith, Graham, Queensland University of Technology | |
local.contributor.affiliation | Bott, R, Queensland University of Technology | |
local.contributor.affiliation | Rae, A David, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Willis, Anthony, College of Physical and Mathematical Sciences, ANU | |
local.bibliographicCitation.startpage | 531 | |
local.bibliographicCitation.lastpage | 534 | |
dc.date.updated | 2015-12-08T10:42:24Z | |
local.identifier.scopusID | 2-s2.0-0000786955 | |
Collections | ANU Research Publications |
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