Robust Dirac-Cone Band Structure in the Molecular Kagome Compound (EDT-TTF-CONH2)6[Re6Se8(CN)6]
Sandra Carlsson; Leokadiya Zorina; David R. Allan; J. Paul Attfield; Enric Canadell; Patrick Batail; Inorganic Chemistry 52 (2013) 3326–3333; doi:10.1021/ic302790m

data_4334229
_publ_section_title
;
 Robust Dirac-Cone Band Structure in the Molecular Kagome Compound
 (EDT-TTF-CONH2)6[Re6Se8(CN)6]
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3326
_journal_page_last               3333
_journal_paper_doi               10.1021/ic302790m
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'C60 H42 N12 O6 Os0 Re6 S36 Se8'
_chemical_formula_weight         3930.10
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-P 3*'
_symmetry_space_group_name_H-M   'R -3 :R'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                61.366(6)
_cell_angle_beta                 61.366(6)
_cell_angle_gamma                61.366(5)
_cell_formula_units_Z            1
_cell_length_a                   15.0170(9)
_cell_length_b                   15.0170(5)
_cell_length_c                   15.0170(14)
_cell_measurement_temperature    295(2)
_cell_volume                     2468.1(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_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  0.0524
_diffrn_reflns_av_sigmaI/netI    0.0416
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            39684
_diffrn_reflns_theta_full        34.99
_diffrn_reflns_theta_max         34.99
_diffrn_reflns_theta_min         4.90
_exptl_absorpt_coefficient_mu    11.093
_exptl_crystal_density_diffrn    2.644
_exptl_crystal_F_000             1832
_refine_diff_density_max         1.779
_refine_diff_density_min         -1.287
_refine_diff_density_rms         0.209
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     213
_refine_ls_number_reflns         7155
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0729
_refine_ls_R_factor_gt           0.0316
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0110P)^2^+4.1826P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0484
_refine_ls_wR_factor_ref         0.0549
_reflns_number_gt                4834
_reflns_number_total             7155
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic302790m_si_001.cif
_cod_data_source_block           global
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               4334229