Mono- and di-nuclear tris(pyrazolyl)borato-oxo-tungsten(V) complexes with phenolate ligands: syntheses and structures, and magnetic, electrochemical and UV/Vis/NIR spectroscopic properties
Keira M. Stobie; Zöe R. Bell; Thomas W. Munhoven; John P. Maher; Jon A. McCleverty; Michael D. Ward; Eric J. L. McInnes; Federico Totti; Dante Gatteschi; Dalton Trans.  (2003) 36–45; doi:10.1039/b208397c

data_7012193
_publ_section_title
;
 Mono- and di-nuclear tris(pyrazolyl)borato-oxo-tungsten(V) complexes
 with phenolate ligands: syntheses and structures, and magnetic,
 electrochemical and UV/Vis/NIR spectroscopic properties
;
_journal_issue                   1
_journal_name_full               'Dalton Trans.'
_journal_page_first              36
_journal_page_last               45
_journal_paper_doi               10.1039/b208397c
_journal_year                    2003
_chemical_formula_sum            'C47 H74 B2 Cl2 N12 O4 W2'
_chemical_formula_weight         1331.4
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 99.77(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.819(3)
_cell_length_b                   20.631(5)
_cell_length_c                   25.873(10)
_cell_measurement_temperature    173(2)
_cell_volume                     6217(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Siemens SMART Area Detector'
_diffrn_measurement_method
'\w rotation with narrow frames (0.3 degrees)'
_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  0.0779
_diffrn_reflns_av_sigmaI/netI    0.1111
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            20088
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         1.60
_exptl_absorpt_coefficient_mu    3.829
_exptl_absorpt_correction_T_max  0.80
_exptl_absorpt_correction_T_min  0.23
_exptl_absorpt_correction_type   'Empirical, pseudo-azimuthal scan (SADABS)'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.422
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2656
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.490
_refine_diff_density_min         -2.260
_refine_diff_density_rms         0.174
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     303
_refine_ls_number_reflns         7162
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.1194
_refine_ls_R_factor_gt           0.0596
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0621P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1281
_refine_ls_wR_factor_ref         0.1454
_reflns_number_gt                4316
_reflns_number_total             7162
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b208397c.txt
_cod_data_source_block           complex3
_cod_original_cell_volume        6218(3)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7012193