Synthesis and Characterization of Mo6 Chalcobromides and Cyano-Substituted Compounds Built from a Novel [(Mo6Bri6Yi2)La6]n- Discrete Cluster Unit (Yi= S or Se and La= Br or CN)
Stéphane Cordier; Nikolaï G. Naumov; Diala Salloum; Frédéric Paul; Christiane Perrin; Inorganic Chemistry 43 (2004) 219–226; doi:10.1021/ic034443q

data_4310281
_publ_contact_author_address
;
LCSIM UMR 6511 CNRS - Universit\'e de Rennes 1, Institut de Chimie
de Rennes, B\^at. 10A, Campus de Beaulieu, Avenue du G\'en\'eral Leclerc,
35042 Rennes, France
;
_publ_contact_author_email       christiane.perrin@univ-rennes1.fr
_publ_contact_author_fax         33299635704
_publ_contact_author_name        'Perrin, Christiane'
_publ_contact_author_phone       33223236253
_publ_section_title
;
 Synthesis and Characterization of Mo6 Chalcobromides and
 Cyano-Substituted Compounds Built from a Novel [(Mo6Bri6Yi2)La6]n-
 Discrete Cluster Unit (Yi= S or Se and La= Br or CN)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              219
_journal_page_last               226
_journal_paper_doi               10.1021/ic034443q
_journal_volume                  43
_journal_year                    2004
_chemical_formula_moiety         'Br12 Cs4 Mo6 Se2'
_chemical_formula_sum            'Br12 Cs4 Mo6 Se2'
_chemical_formula_weight         2224.12
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.2
_audit_creation_date             2002-05-16
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90.000
_cell_angle_beta                 90.000
_cell_angle_gamma                90.000
_cell_formula_units_Z            8
_cell_length_a                   11.624(5)
_cell_length_b                   18.944(5)
_cell_length_c                   28.487(5)
_cell_measurement_reflns_used    37671
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      30.034
_cell_measurement_theta_min      0.998
_cell_volume                     6273(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.1142
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            76947
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         1.43
_exptl_absorpt_coefficient_mu    24.504
_exptl_absorpt_correction_T_max  0.2804
_exptl_absorpt_correction_T_min  0.0753
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
        (see. N.W. Alcock (1970). Cryst. Computing, p271)
;
_exptl_crystal_colour            Black
_exptl_crystal_density_diffrn    4.71
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             7680
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.806
_refine_diff_density_min         -2.074
_refine_ls_extinction_coef       0.000062(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         9188
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_gt           0.0501
_refine_ls_shift/su_max          0.007
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0577P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1303
_reflns_number_gt                4961
_reflns_number_total             9188
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic034443qsi20030428_044710_2.cif
_cod_data_source_block           anal
_cod_database_code               4310281