Diphosphines Possessing Electronically Different Donor Groups: Synthesis and Coordination Chemistry of the Unsymmetrical Di(N-pyrrolyl)phosphino-Functionalized dppm Analogue Ph2PCH2P(NC4H4)2
Andrew D. Burrows; Mary F. Mahon; Steven P. Nolan; Maurizio Varrone; Inorganic Chemistry 42 (2003) 7227–7238; doi:10.1021/ic034487z

data_4312395
_publ_section_title
;
 Diphosphines Possessing Electronically Different Donor Groups: Synthesis
 and Coordination Chemistry of the Unsymmetrical
 Di(N-pyrrolyl)phosphino-Functionalized dppm Analogue Ph2PCH2P(NC4H4)2
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7227
_journal_page_last               7238
_journal_paper_doi               10.1021/ic034487z
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C22 H22 Cl4 N2 P2 Pt'
_chemical_formula_weight         713.25
_chemical_name_systematic
;
 ?
;
_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                77.2310(6)
_cell_angle_beta                 84.1030(6)
_cell_angle_gamma                86.3170(6)
_cell_formula_units_Z            2
_cell_length_a                   8.14100(10)
_cell_length_b                   10.43800(10)
_cell_length_c                   15.0570(2)
_cell_measurement_temperature    150(2)
_cell_volume                     1240.10(3)
_computing_data_reduction
'Denzo and Scalepack (otwinowski & Minor, 1997'
_computing_molecular_graphics    'ORTEX (P.McArdle, 1995)'
_computing_publication_material  'SHELXL-97/2 (Sheldrick,1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       KappaCCD
_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  0.0549
_diffrn_reflns_av_sigmaI/netI    0.0374
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            29761
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.65
_exptl_absorpt_coefficient_mu    6.231
_exptl_absorpt_correction_T_max  0.5746
_exptl_absorpt_correction_T_min  0.3688
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav Blessing (1995)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.910
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.131
_refine_diff_density_min         -1.901
_refine_diff_density_rms         0.139
_refine_ls_extinction_coef       0.0042(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         5688
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0256
_refine_ls_R_factor_gt           0.0238
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0320P)^2^+1.0182P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0583
_refine_ls_wR_factor_ref         0.0595
_reflns_number_gt                5401
_reflns_number_total             5688
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic034487zsi20030806_093646_2.cif
_cod_data_source_block           '_compound_3_(k00adb7)'
_cod_depositor_comments
;
The following automatic conversions were performed:

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

'_exptl_absorpt_correction_type' value 'Multi-Scan'
changed to 'multi-scan' 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_database_code               4312395