Cyanide-Melt Synthesis of Reduced Molybdenum Selenide Clusters
Carmela Magliocchi; Xiaobing Xie; Timothy Hughbanks; Inorganic Chemistry 43 (2004) 1902–1911; doi:10.1021/ic035050u

data_4310719
_publ_section_title
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 Cyanide-Melt Synthesis of Reduced Molybdenum Selenide Clusters
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1902
_journal_page_last               1911
_journal_paper_doi               10.1021/ic035050u
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C12 K4 Mo4 N12 Na4 O12 Se4'
_chemical_formula_weight         1452.20
_chemical_name_systematic
; 
 ? 
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_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.744(2)
_cell_length_b                   11.849(2)
_cell_length_c                   14.331(3)
_cell_measurement_temperature    110(2)
_cell_volume                     1994.2(6)
_computing_cell_refinement       SAINT
_computing_data_collection       SMART
_computing_data_reduction        SAINT
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.967
_diffrn_measured_fraction_theta_max 0.967
_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  0.0377
_diffrn_reflns_av_sigmaI/netI    0.0493
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            7739
_diffrn_reflns_theta_full        23.33
_diffrn_reflns_theta_max         23.33
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    5.402
_exptl_absorpt_correction_T_max  0.6718
_exptl_absorpt_correction_T_min  0.2333
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            red-black
_exptl_crystal_density_diffrn    2.418
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1352
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.079
_refine_diff_density_min         -1.459
_refine_diff_density_rms         0.183
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.075(18)
_refine_ls_extinction_coef       0.00030(13)
_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   1.045
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     233
_refine_ls_number_reflns         2758
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0360
_refine_ls_R_factor_gt           0.0357
_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^)+(0.0524P)^2^+9.6117P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0951
_refine_ls_wR_factor_ref         0.0957
_reflns_number_gt                2730
_reflns_number_total             2758
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic035050usi20031203_012455_5.cif
_cod_data_source_block           Na8Mo4Se4(CN)12_12H20_(8)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_cell_volume        1994.3(7)
_cod_database_code               4310719