Formation of Phosphino-Substituted Isocyanate by Reaction of CO2 with Group 2 Complexes Based on the (Me3Si)(i-Pr2P)NH Ligand
Diane A. Dickie; Kevin B. Gislason; Richard A. Kemp; Inorganic Chemistry 51 (2012) 1162–1169; doi:10.1021/ic202399z

data_4328061
_publ_contact_author_address
;Advanced Materials Laboratory
Sandia National Laboratories
1001 University Blvd SE
Albuquerque, NM, 87106
USA
;
_publ_contact_author_email       rakemp@unm.edu
_publ_contact_author_name        'Kemp, Richard A.'
_publ_contact_author_phone       1-505-272-7609
_publ_section_title
;
 Formation of Phosphino-Substituted Isocyanate by Reaction of CO2 with
 Group 2 Complexes Based on the (Me3Si)(i-Pr2P)NH Ligand
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1162
_journal_page_last               1169
_journal_paper_doi               10.1021/ic202399z
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C13 H28 N2 P2'
_chemical_formula_weight         274.31
_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                74.085(2)
_cell_angle_beta                 89.399(2)
_cell_angle_gamma                89.489(2)
_cell_formula_units_Z            2
_cell_length_a                   8.3294(3)
_cell_length_b                   8.4283(3)
_cell_length_c                   11.9681(4)
_cell_measurement_reflns_used    3573
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      26.55
_cell_measurement_theta_min      2.45
_cell_volume                     807.93(5)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      223(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  0.0400
_diffrn_reflns_av_sigmaI/netI    0.0394
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            15621
_diffrn_reflns_theta_full        27.87
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.254
_exptl_absorpt_correction_T_max  0.9726
_exptl_absorpt_correction_T_min  0.9557
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker, SADABS'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.128
_exptl_crystal_description       chip
_exptl_crystal_F_000             300
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.397
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         3852
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.0577
_refine_ls_R_factor_gt           0.0394
_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^)+(0.0665P)^2^+0.1078P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1063
_refine_ls_wR_factor_ref         0.1259
_reflns_number_gt                2957
_reflns_number_total             3852
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic202399z_si_005.cif
_cod_data_source_block           rkdd98
_cod_database_code               4328061