Syntheses and X-ray Structures of Potassium Derivatives and a Paramagnetic Nickel(II) Complex of a Cyclodiphosph(III/V)azane Monoselenide
Tristram Chivers; Mark Krahn; Gabriele Schatte; Inorganic Chemistry 41 (2002) 4348–4354; doi:10.1021/ic020167o

data_4318392
_publ_contact_author_address
; Department of Chemistry
   University of Calgary
   Calgary Alberta T2N 1N4
   Canada
;
_publ_contact_author_email       chivers@ucalgary.ca
_publ_contact_author_fax         '001 403 289 9488'
_publ_contact_author_name        'Dr Tristram Chivers'
_publ_contact_author_phone       '001 403 220 5741'
_publ_section_title
;
 Syntheses and X-ray Structures of Potassium Derivatives and a
 Paramagnetic Nickel(II) Complex of a Cyclodiphosph(III/V)azane
 Monoselenide
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4348
_journal_page_last               4354
_journal_paper_doi               10.1021/ic020167o
_journal_volume                  41
_journal_year                    2002
_chemical_formula_moiety         'C16 H38 N4 P2 Se2'
_chemical_formula_sum            'C16 H38 N4 P2 Se2'
_chemical_formula_weight         506.36
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 99.0527(19)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.8504(8)
_cell_length_b                   29.135(3)
_cell_length_c                   18.6198(18)
_cell_measurement_reflns_used    7968
_cell_measurement_temperature    193(2)
_cell_volume                     4741.4(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  WinGX-1.64.03a
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(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       '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  0.1047
_diffrn_reflns_av_sigmaI/netI    0.1097
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            27606
_diffrn_reflns_theta_full        24.71
_diffrn_reflns_theta_max         24.71
_diffrn_reflns_theta_min         1.31
_diffrn_standards_decay_%        'no decay'
_exptl_absorpt_coefficient_mu    3.261
_exptl_absorpt_correction_T_max  0.8539
_exptl_absorpt_correction_T_min  0.2186
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;SADABS, V 2.01, Software for Area-Detector Absorption
  Corrections; Bruker AXS Inc., Madison, WI, 2000.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             2080
_exptl_crystal_size_max          0.67
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.126
_refine_diff_density_min         -0.845
_refine_diff_density_rms         0.113
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.913
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     461
_refine_ls_number_reflns         8090
_refine_ls_number_restraints     67
_refine_ls_restrained_S_all      0.934
_refine_ls_R_factor_all          0.1066
_refine_ls_R_factor_gt           0.0548
_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^)+(0.0631P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1142
_refine_ls_wR_factor_ref         0.1307
_reflns_number_gt                4785
_reflns_number_total             8090
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic020167o_3.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        4741.5(8)
_cod_original_sg_symbol_Hall     -P2yn
_cod_database_code               4318392