JHU X-ray Crystallography Facility


"All we have discovered is that it starts with a single individual - always a child - and then spreads explosively, like the formation of crystals round the first nucleus in a saturated solution." Arthur C. Clarke (Childhood's End, 1953)


Dr. Maxime A. Siegler

X-ray Facility Manager
Small-Molecule Crystallography (Service)

Rooms 240 (Office), 211 (X-ray lab), New Chemistry Building
Phone (cell): 410 900 4786
Fax: 410 516 7044
Email: xray@jhu.edu

Curriculum Vitae - pdf
Comprehensive Publication List - pdf
Ph.D. Dissertation - pdf

Education

2007 Ph.D., University of Kentucky, Lexington, KY, USA
2002 B.S., Hautes Études d'Ingenieurs, Lille, France

Selected Publications

  • Z. Arcis-Castíllo, S. Zheng, M. A. Siegler, O. Roubeau, S. Bedoui and S. Bonnet
    Tuning the Transition Temperature and Cooperativity of bapbpy-Based Mononuclear Spin-Crossover Compounds: Interplay between Molecular and Crystal Engineering
    Chem. Eur. J. (2011), 17, 14826-14836 - link
  • M. A. Siegler, X. Hao, S. Parkin, C. P. Brock
    6 [Ni(H2O6)](NO3)2∙(15-crown-5)∙2H2O: three phase transitions and an intermediate modulated phase stable over a range of ca. 40 K
    Acta Cryst. (2011), B67, 486−498 - link

  • M. A. Siegler, S. Parkin, R. J. Angel and C. P. Brock
    Detailed study of the phase transition in [Ni(H2O)6](NO3)2∙(15-crown-5)∙H2O and analysis in terms of mean-field theory
    Acta Cryst. (2011), B67, 130-143 - link

  • M. A. Siegler & E. Stavitski
    On the sequence of three related phases of [Ni(H2O)2(15-crown-5)](HSO4)2 in the T-range 110-295 K
    Acta Cryst. (2010), B66, 430-440 - link
  • M. A. Siegler, J. H. Prewitt, S. P. Kelley, S. Parkin, J. P. Selegue & C. P. Brock
    More examples of the 15-crown-5···H2O-M-OH2-15-crown-5 motif, M = Al3+, Cr3+ and Pd2+
    Acta Cryst. (2010), B66, 213-221 - link

  • M. A. Siegler, S. Bonnet, A. M. M. Schreurs, R. J. M. Klein Gebbink, G. van Koten & A. L. Spek
    On the two closely related phases of [Ru(C5Me5)(η6-1,3-(Me2NCH2)2C6H4)](BF4) and the reversible solid-solid order-disorder phase transition
    J. Chem. Cryst. (2010), 40, 753-760 - link

  • S. Bonnet, G. Molnár, J. Sánchez Costa, M. A. Siegler, A. L. Spek, A. Bousseksou, W. Fu, P. Gamez & J. Reedijk
    Influence of sample preparation, temperature, light, and pressure on the two-step spin crossover mononuclear compound [Fe(bapbpy)(NCS)2]
    Chem. Mater. (2009), 21, 1123-1136 - link

  • M. A. Siegler & M. Lutz
    Ni(salen): a system that forms many solvates with interacting Ni atoms
    Cryst. Growth & Des. (2009), 9, 2, 1194-1200 - link

  • M. A. Siegler, X. Hao, S. Parkin & C. P. Brock
    Five more phases of the structural family [M(H2O)2(15-crown-5)](NO3)2
    Acta Cryst. (2008), B64, 738-749 - link

  • M. A. Siegler, S. Parkin, J. P. Selegue & C. P. Brock
    The Elusive [Ni(H2O)2(15-crown-5)]2+ cation and related co-crystals of Ni(II) hydrates and 15-crown-5
    Acta Cryst. (2008), B64, 725-737 - link

  • S. Bonnet, M. A. Siegler, J. Sánchez Costa, G. Molnár, A. Bousseksou, A. L. Spek, P. Gamez & J. Reedijk
    A two-step spin crossover mononuclear Iron(II) complex with a [HS-LS-LS] Intermediate Phase
    Chem. Commun. (2008), 43, 5619-5621 - link

  • M. A. Siegler, Y. Fu, G. H. Simpson, D. P. King, S. Parkin & C. P. Brock.
    An unexpected co-crystal with a variable degree of order: 1:1 rac-1,2-cyclohexanediol/triphenylphosphine oxide
    Acta Cryst. (2007), B63, 912-925 - link

  • X. Hao, M. A. Siegler, S. Parkin & C. P. Brock
    [M(H2O)2(15-crown-5)](NO3)2: a system rich in polymorphic and modulated phases
    Cryst. Growth & Des. (2005), 5, 6, 2225-2232 - link

Copyright © 2009-2011 - JHU X-ray Crystallography Facility - Maxime Siegler