Pressure induced enhancement of the magnetic ordering temperature in rhenium(IV) monomers
Christopher H. Woodall; Gavin A. Craig; Alessandro Prescimone; Martin Misek; Joan Cano; Juan Faus; Michael R. Probert; Simon Parsons; Stephen Moggach; Jose Martinez-Lillo; Mark Murrie; Konstantin V. Kamenev; Euan K. Brechin; Nature Communications 7 (2017) 13870–; doi:10.1038/ncomms13870

data_1547965
_publ_section_title
;
 Pressure induced enhancement of the magnetic ordering temperature in
 rhenium(IV) monomers
;
_journal_name_full               'Nature Communications'
_journal_page_first              13870
_journal_paper_doi               10.1038/ncomms13870
_journal_volume                  7
_journal_year                    2017
_chemical_formula_moiety         'C4 H6 Cl4 N2 Re, C2 H3 N'
_chemical_formula_sum            'C6 H9 Cl4 N3 Re'
_chemical_formula_weight         451.16
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.2610(2)
_cell_length_b                   13.4766(3)
_cell_length_c                   9.5069(2)
_cell_measurement_reflns_used    1597
_cell_measurement_temperature    4
_cell_measurement_theta_max      27.849
_cell_measurement_theta_min      2.605
_cell_volume                     1314.65(5)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      4
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 8.333
_diffrn_detector_type            'Bruker APEXII area detector'
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device       'XIPHOS four-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f scans'
_diffrn_measurement_specimen_support '0.5mm graphite fibre'
_diffrn_radiation_collimation    focused
_diffrn_radiation_monochromator  'multilayer optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0199
_diffrn_reflns_av_unetI/netI     0.0114
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.975
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            15800
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.975
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.947
_diffrn_reflns_theta_min         2.622
_diffrn_source                   'Bruker TXS with Helios Optics'
_diffrn_source_current           108.0
_diffrn_source_power             5.4
_diffrn_source_target            Mo
_diffrn_source_type              'Rotating Anode'
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    10.024
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.4015
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.1038 before and 0.0352 after correction.
The Ratio of minimum to maximum transmission is 0.5385.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'clear green'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    green
_exptl_crystal_density_diffrn    2.279
_exptl_crystal_description       block
_exptl_crystal_F_000             836
_exptl_crystal_recrystallization_method 'Grown from MeCN'
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.396
_refine_diff_density_min         -1.022
_refine_diff_density_rms         0.110
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.287
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     88
_refine_ls_number_reflns         1607
_refine_ls_number_restraints     57
_refine_ls_restrained_S_all      1.265
_refine_ls_R_factor_all          0.0151
_refine_ls_R_factor_gt           0.0149
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0085P)^2^+3.5118P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0339
_refine_ls_wR_factor_ref         0.0340
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1597
_reflns_number_total             1607
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            Re_MeCN_4k.cif
_cod_data_source_block           re_mecn
_cod_database_code               1547965
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.5 times of:
  All C(H,H,H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(C3) = Uanis(C3A)
3. Rigid body (RIGU) restrains
 All non-hydrogen atoms
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
4. Others
 Fixed Sof: C3(0.5) H3A(0.5) H3B(0.5) H3C(0.5) C3A(0.5) H3AA(0.5) H3AB(0.5)
 H3AC(0.5) N2(0.5) C1(0.5) C2(0.5) H2A(0.5) H2B(0.5) H2C(0.5)
5.a Idealised Me refined as rotating group:
 C3(H3A,H3B,H3C), C3A(H3AA,H3AB,H3AC), C2(H2A,H2B,H2C)
;
_shelx_res_checksum              90997
_shelx_hkl_checksum              43665
_olex2_exptl_crystal_mounting_method 'graphite fiber'
_olex2_submission_special_instructions 'No special instructions were received'