UC Spark

Dr Jan Wikaira

Chemistry

Fields of Research

  • Chemistry education
  • Small molecule structure analysis
  • X-ray analysis of wood

Researcher Summary

Responsible for the collection of all single crystal data for many other chemistry departments within New Zealand and a number of other countries including Australia, U.K., U.S.A., Malaysia and Iran. Also, in collaboration with Biological Sciences and Forestry, involved in the development of techniques for determining properties of timber.

Subject Area: Disciplines

Research Groups

Key Methodologies

  • X-ray crystallography

Affiliations

Research Service

  • Member of Maori Research Advisory Group (2009-present)

Publications


  • Jan L. Wikaira, Christopher P. Landee. and Mark M. Turnbull. (2013) Hexaaquacopper(II) bis(tetrafluoridoborate)–pyrazine 1,4-dioxide (1/3).. Acta Crystallographica Section E (Structure Reports Online.) (Journal Article)
  • Neil F. Curtis, Jan Wikaira. (2013) Meso-(5,7,7,12,14,14-Hexamethyl-1,4,8,11-tetraazacyclotetradec-4,11-diene)copper(II) perchlorate; an unexpected preparation and structure determination.. Inorganica Chimica Acta (396): 14–16. (Journal Article)
  • Gale, A.J., Landee, C.P., Turnbull, M.M. and Wikaira, J.L. (2013) Synthesis, structure, and magnetism of two tetrahalocuprate salts: (5-TFAPH)2CuX4 (5-TFAP = 2-amino-5-trifluoromethylpyridine, X = Cl, Br). Polyhedron (early access online) http://dx.doi.org/10.1016/j.poly.2012.06.083. (Journal Article)
  • Wikaira, J.L., Landee, C.P., Ludy, S.J. and Turnbull, M.M. (2013) Tetrahalocuprate salts of substituted 4-aminopyridines: Synthesis, structure and magnetic properties. Polyhedron (early access online) http://dx.doi.org/10.1016/j.poly.2012.07.054. (Journal Article)
  • Abdalrahman, M., Landee, C.P., Telfer, S.G., Turnbull, M.M. and Wikaira, J.L. (2012) Copper(II) halide coordination complexes and salts of 3-halo-2-methylpyridines: Synthesis, structure and magnetism. Inorganica Chimica Acta 389: 66-76. http://dx.doi.org/10.1016/j.ica.2012.01.050. (Journal Article)
  • Jornet-Somoza, J., Codina-Castillo, N., Deumal, M., Mota, F., Novoa, J.J., Butcher, R.T., Turnbull, M.M., Keith, B., Landee, C.P. and Wikaira, J.L. (2012) Synthesis, Structure, Magnetic Behavior, and Theoretical Analysis of Diazine-Bridged Magnetic Ladders: Cu(quinoxoline)X2 and Cu(2,3-dimethylpyrazine)X2 (X = Cl, Br). Inorganic Chemistry 51: 6315-6325. http://dx.doi.org/10.1021/ic3005147. (Journal Article)
  • Thornley, P.A., Starkey, J.C., Zibaseresht, R., Polson, M.I.J., Wikaira, J.L. and Hartshorn, R.M. (2011) 4'-(o-Toluyl)-2,2':6',2''-terpyridine: synthesis, bromination, complexation, and X-ray crystallographic characterization. Journal of Coordination Chemistry 64(1): 145-158. http://dx.doi.org/10.1080/00958972.2010.546397. (Journal Article)
  • Herringer, S.N., Turnbull, M.M., Landee, C.P. and Wikaira, J.L. (2011) Copper(II) complexes of 2-halo-3-methylpyridine: synthesis, structure, and magnetic behaviour of Cu(2-X-3-CH3py)2X'2 [X, X' = chlorine or bromine; py = pyridine]. Dalton Transactions 40(16): 4242-4252. http://dx.doi.org/10.1039/C0DT01696A. (Journal Article)
  • Wikaira, J.L., Li, L. and Turnbull, M.M. (2011) Magnetic Interactions in Copper Halide Salts of 2-amino-3-chloro-5-trifluoromethylpyridine. Perth, Australia: Inorganic Chemistry '11, 4-8 Dec 2011. (Conference Contribution - Oral presentation)
  • Curtis, N.F. and Wikaira, J. (2011) Nickel(II) compounds of a tri-amine mono-imine macrocycle: Preparations and structures of (5,7,7,12,14,14-hexamethyl-1,4,8,11-tetraazacyclotetradec-4-ene)nickel(II) compounds. Polyhedron 30(5): 895-902. http://dx.doi.org/10.1016/j.poly.2010.12.028. (Journal Article)
  • Ludy, S.J., Landee, C.P., Turnbull, M.M. and Wikaira, J.L. (2011) Synthesis, structure, and magnetic behavior of a pyrazine-bridged Cu(II)/Au(CN)2 complex. Journal of Coordination Chemistry 64(1): 134-144. http://dx.doi.org/10.1080/00958972.2010.543459. (Journal Article)
  • Curtis, N.F. and Wikaira, J. (2011) The preparation and structure of [trans-dichloro-{trans-6,13-dimethyl-6,13-bis-(N,N-dimethylformamidinyl)-1,4,8,11-tetraazacyclotetradecane}nickel(II)] diperchlorate dihydrate. Inorganic Chemistry Communications 14(9): 1344-1346. http://dx.doi.org/10.1016/j.inoche.2011.05.013. (Journal Article)
  • Selmani, V., Landee, C.P., Turnbull, M.M., Wikaira, J.L. and Xiao, F. (2010) An extremely well isolated 2D-antiferromagnetic layer. Inorganic Chemistry Communications 13(12): 1399-1401. http://dx.doi.org/10.1016/j.inoche.2010.07.045. (Journal Article)
  • Golder, R.K., Fitchett, C.M., Wikaira, J.L. and Steel, P.J. (2010) catena-Poly[[silver(I)-[mu]-4-aminopyridine] perchlorate]: a 1-D staircase coordination polymer. Acta Crystallographica Section E: Structure Reports Online E66(10): m1324. http://dx.doi.org/10.1107/S1600536810037682. (Journal Article)
  • Wikaira, J.L., Li, L. and Turnbull, M.M. (2010) Magnetic Interactions in Copper Halide Salts of 2-amino-3-chloro-5-trifluoromethylpyridine. Busan, Korea: AsCA2010, 31 Oct-3 Nov 2010. (Conference Contribution - Oral presentation)
  • Ludy, S.J., Turnbull, M.M. and Wikaira, J. (2010) Structure and Magnetism of Copper Pyrazine Chains Separated by Dicyanoaurate. Potsdam, NY, USA: 37th Northeast Regional Meeting of the American Chemical Society, 2-5 Jun 2010. (Conference Contribution - Abstract)
  • Herringer, S.N., Longendyke, A.J., Turnbull, M.M., Landee, C.P., Wikaira, J.L., Jameson, G.B. and Telfer, S.G. (2010) Synthesis, structure, and magnetic properties of bis(monosubstituted-pyrazine)dihalocopper(II). Dalton Transactions 39(11): 2785-2797. http://dx.doi.org/10.1039/b922824a. (Journal Article)
  • Wikaira, J.L., Li, L., Butcher, R., Fitchett, C.M., Jameson, G.B., Landee, C.P., Telfer, S.G. and Turnbull, M.M. (2010) Transition metal complexes of 2-amino-3-chloro-5-trifluoromethylpyridine: syntheses, structures, and magnetic properties of [(TMCAPH)2CuBr4] and [(TMCAPH)2CuCl4]. Journal of Coordination Chemistry 63(17): 2949-2964. http://dx.doi.org/10.1080/00958972.2010.505284. (Journal Article)
  • Wikaira, J.L., Li, L. and Turnbull, M.M. (2009) Copper Halide Salts of 2-Amino-3-Chloro-5-Trifluoromethylpyridine. Hartford, CT, United States: 36th Northeast Regional Meeting of the American Chemical Society, NERM-308., 7-10 Oct 2009. (Conference Contribution - Abstract)
  • Wikaira, J.L., Li, L. and Turnbull, M.M. (2009) Copper Halide Salts of 2-Amino-3-Chloro-5-Trifluoromethylpyridine. Hartford, CT, USA: American Chemical Society Northeast Regional Meeting (NERM), 7-10 Oct 2009. (Conference Contribution - Abstract)
  • Cizmar, E., Ozerov, M., Wosnitza, J., Zvyagin, S.A., Krzystek, J., Landee, C.P., Landry, B.R., Turnbull, M.M. and Wikaira, J.L. (2009) Magnetic properties of the Zn-doped Haldane-gap material NENB. Amsterdam, The Netherlands: 25th International Conference on Low Temperature Physics (LT25), 6-13 Aug 2008. In Journal of Physics: Conference Series 150(042017) 4pp. (Conference Contribution - Paper in published proceedings)
  • Via, B.K., So, C.L., Shupe, T.F., Groom, L.H. and Wikaira, J. (2009) Mechanical response of longleaf pine to variation in microfibril angle, chemistry associated wavelengths, density, and radial position. Composites Part A: Applied Science and Manufacturing 40(1): 60-66. http://dx.doi.org/10.1016/j.compositesa.2008.10.007. (Journal Article)
  • Herringer, S.N., Longendyke, A., Turnbull, M.M., Landee, C.P., Wikaira, J.L., Jameson, G.B. and Telfer, S. (2009) Synthesis, Structure, and Magnetic Properties of Bis(S-pyrazine)Dihalocopper (II) [S = Cl, CN, OCH3, or OCH2CH3 and Halide= Cl or Br]. Hartford, CT, USA: American Chemical Society Northeast Regional Meeting (NERM), 7-10 Oct 2009. (Conference Contribution - Abstract)
  • Cizmar, E., Ozerov, M., Ignatchik, O., Papageorgiou, T.P., Wosnitza, J., Zvyagin, S.A., Krzystek, J., Zhou, Z., Landee, C.P., Landry, B.R., Turnbull, M.M. and Wikaira, J.L. (2008) Magnetic properties of the Haldane-gap material [Ni(C2H8N2)2NO2](BF4). New Journal of Physics 10(Mar): 033008. http://dx.doi.org/10.1088/1367-2630/10/3/033008. (Journal Article)
  • Wikaira, J. (2007) A History of Crystallography in New Zealand. Hunter Valley, Australia: SCANZ (Society of Crystallographers in Australia and New Zealand) Crystal-25 conference, 10-13 Apr 2007. (Conference Contribution - Oral presentation)
  • Cizmar, E., Ozerov, M., Ignatchik, O., Papageorgiou, T.P., Wosnitza, J., Zvyagin, S.A., Krzystek, J., Zhou, Z., Landee, C.P., Landry, B.R., Turnbull, M.M. and Wikaira, J.L. (2007) Magnetic properties of the Haldane-gap material NENB. Condensed Matter 07(09): 5pp. http://xxx.soton.ac.uk/PS_cache/arxiv/pdf/0709/0709.1779v1.pdf. (Journal Article)
  • Turnbull, M.M., Li, L., Landee, C.P., Novoa, J.J., Deumal, M., Jornet, J. and Wikaira, J.L. (2007) Synthesis, structure and magnetic behavior of bis(2-amino-5-fluoropyridinium) tetrachlorocuprate: A magnetic ladder. Boston, MA, USA: 234th American Chemical Society (ACS) National Meeting & Exposition, 19-23 Aug 2007. http://ucportal.canterbury.ac.nz/portal/DesktopDefault.aspx?tabindex=3&tabid=27. (Conference Contribution - Oral presentation)
  • Li, L., Turnbull, M.M., Landee, C.P., Jornet, J., Deumal, M., Novoa, J.J. and Wikaira, J.L. (2007) Synthesis, structure, and magnetic behavior of bis(2-amino-5-fluoropyridinium)-tetra chlorocuprate(II). Inorganic Chemistry 46(26): 11254-11265. http://dx.doi.org/10.1021/ic701645y. (Journal Article)
  • Via, B.K., So, C.L., Groom, L.H., Shupel, T.F., Stine, M. and Wikaira, J.L. (2007) Within tree variation of lignin, extractives, and microfibril angle coupled with the theoretical and near infrared modeling of microfibril angle. IAWA Journal 28(2): 189-209. http://www.srs.fs.usda.gov/pubs/ja/ja_via007.pdf. (Journal Article)
  • Ballester, N.S., Fontecha, J.B., Wikaira, J. and McKee, V. (2005) Bis(2-pyridylmethyl)amine-borane. Acta Crystallographica E: Structure Reports Online E61: o567-o568. (Journal Article)
  • Saghatforoush, L.A., Hossaini Sadr, M., Lewis, W., Wikaira, J., Robinson, W.T. and Ng, S.W. (2004) [5-Bromo-N-(2-pyridylethylsulfanylethyl)salicylid-eneiminato-kappa-4N,N',O,S]copper(II) perchlorate. Acta Crystallographica Section E: Structure Reports Online 60: m1259-m1260. (Journal Article)
  • Hossaini Sadr, M., Zare, D., Lewis, W., Wikaira, J., Robinson, W.T. and Ng, S.W. (2004) Bromotetrakis(1H-imidazole-kappa-N3)copper(II) bromide. Acta Crystallographica Section E: Structure Reports Online 60: m1324-m1326. (Journal Article)
  • Jeitler J.R., Turnbull M.M. and Wikaira J.L. (2003) Synthesis, characterization and structure of transition metal complexes of 4 '-methylthio-2,2': 6 ',2 ''-terpyridyl. Inorganica Chimica Acta 351: 331-344. (Journal Article)
  • Kemmitt, T., Gainsford, G.J., Steel, P.J. and Wikaira, J.L. (2002) Four-center hydrogen bonds: a triethanolamine-triethanolamine oxide complex.. Acta Crystallographica, Section E: Structure Reports Online E58((8)): 851--852. (Journal Article)
  • Hartshorn, R.M., Browne, J.M.W., Wikaira, J. and Fitchett, C.M. (2002) Polydentate ligand construction: intramolecular condensation reactions in the synthesis of imine containing ligands. J. Chem. Soc., Dalton Trans. ((23)): 2227-2234. (Journal Article)
  • Browne, J.M.W., Wikaira, J.L. and Hartshorn, R.M. (2001) Polydentate ligand construction: a re-examination of an intramolecular condensation reaction. J. Chem. Soc., Dalton Trans. ((23)): 3513-3519. (Journal Article)
  • Turnbull, M.M., Wikaira, J.L. and Wilkins, C.J. (2000) A comparison of the molecular and crystal structures of the dimethylacetamide complexes from zinc chloride, bromide, and iodide.. Zeitschrift fuer Kristallographie 215((11)): 702--706. (Journal Article)
  • McCrea, J., McKee, V., Metcalfe, T., Tandon, S.S. and Wikaira, J.L.. (2000) Geometric control of redox level in tetranuclear manganese and cobalt systems.. Inorg. Chim. Acta 297(1--2): 220--30. (Journal Article)
  • Devereux, M., McCann, M., Leon, V., Geraghty, M., McKee, V. and Wikaira, J. (2000) Synthesis and Biological Activity of Manganese(II) Complexes of Phthalic and Isophthalic acid: X-ray crystal structures of [Mn(ph)(phen)2(H2O)].H2 O, [Mn(phen)2(H2O)2] 2(isoph)2(phen).12H2O) and {[Mn(isoph)(bipy)]4.2.75bipy}n (phH2 = phthalic acid; i. Met.-Based Drugs 7((5)): 275--88. (Journal Article)
  • Devereux, M., McCann, M., Leon, V., Geraghty, M., McKee, V. and Wikaira, J. (2000) Synthesis and fungitoxic activity of manganese(II) complexes of fumaric acid: X-ray crystal structures of [Mn(fum)(bipy)(H2O)] and [Mn(Phen)2(H2O)2](fum) 4H2O (fumH2=fumaric acid; bipy=2, 2'- bipyridine; phen=1, 10-phenanthroline). Polyhedron 19((10)): 1205--1211. (Journal Article)
  • Wikaira, J.L. (2000) The Use of X-ray diffraction to Determine Cellulose Orientation in Wood. Thredbo, Australia: Society of Crystallographers in Australia & New Zealand (SCANZ), 2000. (Conference Contribution - Other)
  • Wikaira, J.L. and Gorun, S.M. (1999) Biological and biomimetic catalysis of manganese redox enzymes and their inorganic models. In Reedijk and Bouwman (Ed.), Bioinorganic Catalysis (second ed.): 355--422. New York: Marcel Dekker Inc. (Chapter in Book)
  • Zukerman-Schpector, J., Castellano, E.E., Ceschi, M.A., Brocksom, T.J. and Wikaira, J.L. (1997) Intermediates in the synthesis of Daphniphyllum alkaloids. I. A tetracyclic oxygen analog.. Acta Crystallographica, Section C: Crystal Structure Communications C53((10)): 1482--1483. (Journal Article)