Coordination chemistry of Group 12 metals with phosphorodiselenoates: syntheses, structures and VT 31P NMR study of monomer-dimer exchange equilibrium.
Liu, C. W.; Lobana, Tarlok S.; Santra, Bidyut K.; Hung, Chiu-Mine; Liu, Hong-Yuan; Liaw, Ben-Jie; Wang, Ju-Chun; Dalton transactions (Cambridge, England : 2003)  (2006) 560–570; doi:10.1039/b510728h

data_7006455
_publ_section_title
;
 Coordination chemistry of Group 12 metals with phosphorodiselenoates:
 syntheses, structures and VT 31P NMR study of monomer-dimer exchange
 equilibrium.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              560
_journal_page_last               570
_journal_paper_doi               10.1039/b510728h
_journal_year                    2006
_chemical_formula_sum            'C36 H84 O13 P6 Se12 Zn4'
_chemical_formula_weight         2119.85
_chemical_name_systematic
;
?
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   22.7200(3)
_cell_length_b                   22.7200(3)
_cell_length_c                   11.9987(4)
_cell_measurement_reflns_used    3212
_cell_measurement_temperature    566(2)
_cell_measurement_theta_max      20.49
_cell_measurement_theta_min      2.68
_cell_volume                     5363.9(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      566(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0345
_diffrn_reflns_av_sigmaI/netI    0.0286
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10353
_diffrn_reflns_theta_full        24.96
_diffrn_reflns_theta_max         24.96
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    7.612
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.5156
_exptl_absorpt_correction_type   SADBS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.969
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3066
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.826
_refine_diff_density_min         -0.536
_refine_diff_density_rms         0.112
_refine_ls_extinction_coef       0.00044(5)
_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   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     107
_refine_ls_number_reflns         2106
_refine_ls_number_restraints     21
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0918
_refine_ls_R_factor_gt           0.0666
_refine_ls_shift/su_max          0.033
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0100P)^2^+93.3060P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1276
_refine_ls_wR_factor_ref         0.1333
_reflns_number_gt                1423
_reflns_number_total             2106
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b510728h.txt
_cod_data_source_block           compound_2
_cod_original_sg_symbol_H-M      R-3
_cod_database_code               7006455