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_4318391
_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 Se'
_chemical_formula_sum            'C16 H38 N4 P2 Se'
_chemical_formula_weight         427.40
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.6000(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.5100(1)
_cell_length_b                   15.1320(2)
_cell_length_c                   15.9940(2)
_cell_measurement_reflns_used    6389
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.131
_cell_measurement_theta_min      0.998
_cell_volume                     2301.50(5)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
' HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics
' Cameron (WinGX v1.64.03a), Ortep (SHELXTL-NT v5.1, Bruker)'
_computing_publication_material  'WinGX v1.64.03a (L. J. Farrugia)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'KappaCCD (Nonius, FR540C)'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_type       'by Nonius Collect from scalepack cell'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'Enraf Nonius FR590D, fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0296
_diffrn_reflns_av_sigmaI/netI    0.0451
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9204
_diffrn_reflns_theta_full        26.36
_diffrn_reflns_theta_max         26.36
_diffrn_reflns_theta_min         3.35
_diffrn_standards_decay_%        'no decay'
_exptl_absorpt_coefficient_mu    1.776
_exptl_absorpt_correction_T_max  0.9165
_exptl_absorpt_correction_T_min  0.8020
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'HKL Scalepack (Otwinowski & Minor 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.233
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'thin plate'
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.739
_refine_diff_density_min         -0.557
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     214
_refine_ls_number_reflns         4684
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0645
_refine_ls_R_factor_gt           0.0369
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0416P)^2^+0.8873P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0842
_refine_ls_wR_factor_ref         0.0946
_reflns_number_gt                3359
_reflns_number_total             4684
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic020167o_2.cif
_cod_data_source_block           6
_cod_original_sg_symbol_Hall     -P2ybc
_cod_database_code               4318391