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_7012194
_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            'C50 H72 B2 Cl2 N14 O6 W2'
_chemical_formula_weight         1425.44
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                97.81(2)
_cell_angle_beta                 95.395(17)
_cell_angle_gamma                97.33(2)
_cell_formula_units_Z            1
_cell_length_a                   9.3744(16)
_cell_length_b                   10.610(2)
_cell_length_c                   14.654(4)
_cell_measurement_temperature    173(2)
_cell_volume                     1423.0(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_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  0.0477
_diffrn_reflns_av_sigmaI/netI    0.0790
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            14958
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    4.192
_exptl_absorpt_correction_T_max  0.80
_exptl_absorpt_correction_T_min  0.27
_exptl_absorpt_correction_type   'Empirical, pseudo-azimuthal scan (SADABS)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.663
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             710
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.05
_refine_diff_density_max         4.027
_refine_diff_density_min         -3.483
_refine_diff_density_rms         0.152
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.982
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     359
_refine_ls_number_reflns         6450
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.982
_refine_ls_R_factor_all          0.0963
_refine_ls_R_factor_gt           0.0514
_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^)+(0.0740P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1198
_refine_ls_wR_factor_ref         0.1361
_reflns_number_gt                4048
_reflns_number_total             6450
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b208397c.txt
_cod_data_source_block           complex5
_cod_original_cell_volume        1423.0(6)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7012194