Observation of a re-entrant phase transition in the molecular complex tris(μ~2~-3,5-diisopropyl-1,2,4-triazolato-κ^2^<i>N</i>^1^:<i>N</i>^2^)trigold(I) under high pressure
Woodall, Christopher H.; Christensen, Jeppe; Skelton, Jonathan M.; Hatcher, Lauren E.; Parlett, Andrew; Raithby, Paul R.; Walsh, Aron; Parker, Stephen C.; Beavers, Christine M.; Teat, Simon J.; Intissar, Mourad; Reber, Christian; Allan, David R.; IUCrJ 3 (2016) –; doi:10.1107/S2052252516013129

data_1543930
_publ_section_title
;
 Observation of a re-entrant phase transition in the molecular complex
 tris(\m~2~-3,5-diisopropyl-1,2,4-triazolato-\k^2^<i>N</i>^1^:<i>N</i>^2^)trigold(I)
 under high pressure
;
_journal_issue                   5
_journal_name_full               IUCrJ
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052252516013129
_journal_volume                  3
_journal_year                    2016
_chemical_formula_moiety         'C24 H42 Au3 N9'
_chemical_formula_sum            'C24 H42 Au3 N9'
_chemical_formula_weight         1047.57
_chemical_name_systematic
;
tris(3,5-diisopropyl-1,2,4-triazolato-N,N)-tri-gold(I)
;
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 121.589(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.5723(13)
_cell_length_b                   13.8758(6)
_cell_length_c                   19.647(4)
_cell_measurement_reflns_used    4239
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.72
_cell_measurement_theta_min      2.90
_cell_volume                     5474.0(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.387
_diffrn_measured_fraction_theta_max 0.387
_diffrn_measurement_device
;
CrystalLogic Kappa (3 circle)
;
_diffrn_measurement_device_type
;
Rigaku Saturn724+ (2x2 bin mode)
;
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  synchrotron
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.6889
_diffrn_reflns_av_R_equivalents  0.0430
_diffrn_reflns_av_sigmaI/netI    0.0439
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            9926
_diffrn_reflns_theta_full        26.21
_diffrn_reflns_theta_max         26.21
_diffrn_reflns_theta_min         2.85
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    14.327
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7862
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.542
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             3888
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.985
_refine_diff_density_min         -0.725
_refine_diff_density_rms         0.145
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.943
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         2345
_refine_ls_number_restraints     33
_refine_ls_restrained_S_all      0.939
_refine_ls_R_factor_all          0.0652
_refine_ls_R_factor_gt           0.0432
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0746P)^2^+132.3985P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1146
_refine_ls_wR_factor_ref         0.1362
_reflns_number_gt                1774
_reflns_number_total             2345
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ed5009.cif
_cod_data_source_block           1.25GPa_Au3triazole-FORM-II
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1543930