Syntheses, molecular structures and optical nonlinearities of heteroselenometallic W‒Se‒Pd compounds containing bidentate phosphine ligands
Zhang, Qian-Feng; Song, Yinling; Wong, Wai-Yeung; Leung, Wa-Hung; Xin, Xinquan; Journal of the Chemical Society, Dalton Transactions  (2002) 1963–; doi:10.1039/b110583n

data_7702765
_publ_section_title
;
 Syntheses, molecular structures and optical nonlinearities of
 heteroselenometallic W--Se--Pd compounds containing bidentate phosphine
 ligands
;
_journal_issue                   9
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              1963
_journal_paper_doi               10.1039/b110583n
_journal_year                    2002
_chemical_formula_sum            'C28 H28 Cl2 P2 Pd Se4 W'
_chemical_formula_weight         1103.43
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/m 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                 91.4810(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.0512(6)
_cell_length_b                   14.8092(9)
_cell_length_c                   10.8528(7)
_cell_measurement_temperature    293(2)
_cell_volume                     1614.90(17)
_computing_data_reduction        SAINT
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Smart CCD'
_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  0.0472
_diffrn_reflns_av_sigmaI/netI    0.0349
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            7972
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    8.906
_exptl_crystal_colour            deep-red
_exptl_crystal_density_diffrn    2.269
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.18
_refine_diff_density_max         3.892
_refine_diff_density_min         -2.370
_refine_diff_density_rms         0.248
_refine_ls_extinction_coef       0.0006(4)
_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   1.059
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         2949
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0563
_refine_ls_R_factor_gt           0.0534
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1145P)^2^+3.1731P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1517
_refine_ls_wR_factor_ref         0.1549
_reflns_number_gt                2698
_reflns_number_total             2949
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b110583n.txt
_cod_data_source_block           W-Se-Pd-dppp_cluster
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)/m
_cod_database_code               7702765