Synthesis of the nickel selenophosphinates [Ni(Se2PR2)2] (R = iPr, tBu and Ph) and their use as single source precursors for the deposition of nickel phosphide or nickel selenide nanoparticles
Maneeprakorn, Weerakanya; Nguyen, Chinh Q.; Malik, Mohammad A.; O'Brien, Paul; Raftery, James; Dalton Transactions  (2009) 2103–2108; doi:10.1039/b816903a

data_7000799
_publ_section_title
;
 Synthesis of the nickel selenophosphinates [Ni(Se2PR2)2] (R = iPr, tBu
 and Ph) and their use as single source precursors for the deposition
 of nickel phosphide or nickel selenide nanoparticles
;
_journal_issue                   12
_journal_name_full               'Dalton Transactions'
_journal_page_first              2103
_journal_page_last               2108
_journal_paper_doi               10.1039/b816903a
_journal_year                    2009
_chemical_formula_sum            'C12 H28 Ni P2 Se4'
_chemical_formula_weight         608.83
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 97.904(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.2865(9)
_cell_length_b                   10.9349(10)
_cell_length_c                   10.1364(10)
_cell_measurement_reflns_used    3486
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.37
_cell_measurement_theta_min      2.21
_cell_volume                     1019.54(17)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0216
_diffrn_reflns_av_sigmaI/netI    0.0260
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            5643
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.75
_exptl_absorpt_coefficient_mu    8.236
_exptl_absorpt_correction_T_max  0.1045
_exptl_absorpt_correction_T_min  0.0929
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.983
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             588
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.55
_exptl_crystal_size_min          0.50
_refine_diff_density_max         0.543
_refine_diff_density_min         -0.446
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     92
_refine_ls_number_reflns         2067
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0224
_refine_ls_R_factor_gt           0.0198
_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^)+(0.0217P)^2^+0.4516P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0470
_refine_ls_wR_factor_ref         0.0479
_reflns_number_gt                1933
_reflns_number_total             2067
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b816903a.txt
_cod_data_source_block           z:\s2519\work\s2519abs
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7000799