Heavier alkaline earth metal complexes with phosphinoselenoic amides: evidence of direct M-Se contact (M = Ca, Sr, Ba).
Kottalanka, Ravi K.; Naktode, Kishor; Anga, Srinivas; Nayek, Hari Pada; Panda, Tarun K.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 4947–4956; doi:10.1039/c2dt32339g

data_7023820
_publ_section_title
;
 Heavier alkaline earth metal complexes with phosphinoselenoic amides:
 evidence of direct M-Se contact (M = Ca, Sr, Ba).
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4947
_journal_page_last               4956
_journal_paper_doi               10.1039/c2dt32339g
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C66 H74 N2 Na2 O4 P2 Se2'
_chemical_formula_sum            'C66 H74 N2 Na2 O4 P2 Se2'
_chemical_formula_weight         1225.11
_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                109.103(13)
_cell_angle_beta                 107.189(13)
_cell_angle_gamma                104.478(14)
_cell_formula_units_Z            1
_cell_length_a                   10.3920(17)
_cell_length_b                   12.981(2)
_cell_length_c                   13.4630(17)
_cell_measurement_reflns_used    5008
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      70.6634
_cell_measurement_theta_min      3.8136
_cell_volume                     1513.7(5)
_computing_cell_refinement       'Intel duo core 2 computer'
_computing_data_collection       'Intel duo core 2 computer'
_computing_data_reduction        'Intel duo core 2 computer'
_computing_molecular_graphics    'ORTEP III & Olex 2.1'
_computing_publication_material  WinGX
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 16.1293
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0303
_diffrn_reflns_av_sigmaI/netI    0.0394
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            11164
_diffrn_reflns_theta_full        70.74
_diffrn_reflns_theta_max         70.74
_diffrn_reflns_theta_min         3.81
_exptl_absorpt_coefficient_mu    2.549
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.74401
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'CrysAlisPro, Agilent Technologies,Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)(compiled Oct 27 2011,15:02:11)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             636
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.337
_refine_diff_density_min         -0.452
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     362
_refine_ls_number_reflns         5681
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0452
_refine_ls_R_factor_gt           0.0379
_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^)+(0.0580P)^2^+0.3810P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0987
_refine_ls_wR_factor_ref         0.1065
_reflns_number_gt                4886
_reflns_number_total             5681
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt32339g.txt
_cod_data_source_block           shelxl
_cod_original_cell_volume        1513.8(4)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7023820