Synthesis, Structures and Chemistry of the Metallaboranes of Group 4-9 with M2B5 Core Having a Cross Cluster M-M Bond
Bag, R.; Saha, S.; Borthakur, R.; Mondal, B.; Roisnel, T.; Dorcet, V.; Halet, J.-F.; Ghosh, S.; Inorganics 7 (2019) 27–; doi:10.3390/inorganics7030027

data_1556665
_publ_section_title
;
 Synthesis, Structures and Chemistry of the Metallaboranes of Group 4-9
 with M2B5 Core Having a Cross Cluster M-M Bond
;
_journal_name_full               Inorganics
_journal_page_first              27
_journal_paper_doi               10.3390/inorganics7030027
_journal_volume                  7
_journal_year                    2019
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C24 H30 B4 Mo O4 W2'
_chemical_formula_sum            'C24 H30 B4 Mo O4 W2'
_chemical_formula_weight         889.36
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                85.532(3)
_cell_angle_beta                 71.947(3)
_cell_angle_gamma                89.111(3)
_cell_formula_units_Z            8
_cell_length_a                   16.3096(16)
_cell_length_b                   18.8186(18)
_cell_length_c                   19.9272(18)
_cell_measurement_reflns_used    9866
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      2.27
_cell_measurement_wavelength     0.71073
_cell_volume                     5797.1(10)
_computing_cell_refinement       'APEX3 (Bruker, 2015); SAINT (Bruker, 2014)'
_computing_data_collection       'SAINT (Bruker, 2014)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics
'SXGRAPH (Farrugia, 1999), Mercury (CSD, 2014)'
_computing_publication_material  'CRYSCALC (T. Roisnel, local program, 2016)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 '(CMOS) PHOTON 100'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'D8 VENTURE Bruker AXS'
_diffrn_measurement_method       'rotation images'
_diffrn_radiation_monochromator  'multilayer monochromator'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Incoatec microfocus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0639
_diffrn_reflns_av_unetI/netI     0.0509
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            109324
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.484
_diffrn_reflns_theta_min         2.941
_exptl_absorpt_coefficient_mu    8.370
_exptl_absorpt_correction_T_max  0.433
_exptl_absorpt_correction_T_min  0.246
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2014). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.038
_exptl_crystal_description       prism
_exptl_crystal_F_000             3328
_exptl_crystal_size_max          0.230
_exptl_crystal_size_mid          0.210
_exptl_crystal_size_min          0.100
_refine_diff_density_max         3.157
_refine_diff_density_min         -2.234
_refine_diff_density_rms         0.226
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1295
_refine_ls_number_reflns         26525
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0458
_refine_ls_R_factor_gt           0.0349
_refine_ls_shift/su_max          0.036
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+63.6873P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0819
_refine_ls_wR_factor_ref         0.0880
_reflns_number_gt                22650
_reflns_number_total             26525
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            Compound_2.cif
_cod_data_source_block           SGGF3
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_space_group_crystal_system' value 'Triclinic' was changed
to 'triclinic' 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_database_code               1556665
_shelx_res_checksum              64624