Quantum spin liquid: design of a quantum spin liquid next to a superconducting state based on a dimer-type ET Mott insulator
Takaaki Hiramatsu; Yukihiro Yoshida; Gunzi Saito; Akihiro Otsuka; Hideki Yamochi; Mitsuhiko Maesato; Yasuhiro Shimizu; Hiroshi Ito; Hideo Kishida; Journal of Materials Chemistry C 3 (2015) 1378–1388; doi:10.1039/C4TC01701C

data_7234058
_publ_section_title
;
 Quantum spin liquid: design of a quantum spin liquid next to a
 superconducting state based on a dimer-type ET Mott insulator
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              1378
_journal_page_last               1388
_journal_paper_doi               10.1039/C4TC01701C
_journal_volume                  3
_journal_year                    2015
_chemical_formula_moiety         '2(C10 H8 S8), (C2 Br1 Cu1 N3)'
_chemical_formula_sum            'C22 H16 Br Cu N3 S16'
_chemical_formula_weight         978.90
_chemical_name_common            (ET)2Cu[N(CN)2]Br
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_cell_setting           orthorhombic
_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
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.9342(13)
_cell_length_b                   29.937(3)
_cell_length_c                   8.5325(8)
_cell_measurement_reflns_used    9151
_cell_measurement_temperature    250(2)
_cell_measurement_theta_max      27.91
_cell_measurement_theta_min      2.48
_cell_volume                     3303.9(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      250(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0258
_diffrn_reflns_av_sigmaI/netI    0.0226
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            17013
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.36
_exptl_absorpt_coefficient_mu    2.907
_exptl_absorpt_correction_T_max  0.9178
_exptl_absorpt_correction_T_min  0.4209
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
APEX2 Software
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.968
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rhombic plate'
_exptl_crystal_F_000             1956
_exptl_crystal_preparation       'Magnetic properties, electronic property'
_exptl_crystal_recrystallization_method electrocrystallization
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.051
_refine_diff_density_min         -0.665
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.117
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     224
_refine_ls_number_reflns         3816
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.117
_refine_ls_R_factor_all          0.0510
_refine_ls_R_factor_gt           0.0446
_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^)+(0.0261P)^2^+15.2927P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1061
_refine_ls_wR_factor_ref         0.1089
_reflns_number_gt                3353
_reflns_number_total             3816
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1000014.cif
_cod_data_source_block           PCOD1000014
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the built-in table derived from
the CIF Core dictionary named 'cif_core.dic' version 2.4.5 last
updated on 2014-11-21.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'Pnma '
_cod_original_formula_sum        'C22 H16 Br1 Cu1 N3 S16'
_cod_database_code               7234058