The coordination chemistry of perfluorovinyl substituted phosphine ligands, a crystallographic and spectroscopic study. Co-crystallisation of both cis- and trans-isomers of [PtCl2{PiPr2(CFCF2)}2] within the same unit cell
Barnes, Nicholas A.; Brisdon, Alan K.; Brown, F. R. William; Cross, Wendy I.; Herbert, Christopher J.; Pritchard, Robin G.; Sadiq, Ghazala; Dalton Transactions  (2008) 101–; doi:10.1039/b711825b

data_7003096
_publ_section_title
;
 The coordination chemistry of perfluorovinyl substituted phosphine
 ligands, a crystallographic and spectroscopic study.
 Co-crystallisation of both cis- and trans-isomers of
 [PtCl2{PiPr2(CF&#xE001;CF2)}2] within the same unit cell
;
_journal_issue                   1
_journal_name_full               'Dalton Transactions'
_journal_page_first              101
_journal_paper_doi               10.1039/b711825b
_journal_year                    2008
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C20 H10 Br2 F12 P2 Pt1'
_chemical_formula_structural     'C20 H10 BR2 F12 P2 PT1'
_chemical_formula_sum            'C20 H10 Br2 F12 P2 Pt'
_chemical_formula_weight         895.13
_chemical_name_systematic
;
bis(phenylbisperfluorovinyl)phosphine)platinum(II)dibromide
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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
_audit_conform_dict_location
ftp://ftp.iucr.org/cifdics/cif_core_2.1beta5.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.1beta5
_audit_creation_date             2000-04-14T17:15:49-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 106.182(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.3236(3)
_cell_length_b                   13.3972(2)
_cell_length_c                   16.7449(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_measurement_wavelength     0.71073
_cell_volume                     2439.63(8)
_computing_cell_refinement       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_collection       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'scintillation LiI'
_diffrn_detector_dtime           1.195
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Enraf Nonius CAD4'
_diffrn_measurement_method       'non-profiled omega/2theta scans'
_diffrn_orient_matrix_type
;
x-axis points to radiation source
the matrix is specified in reciprocal space
;
_diffrn_orient_matrix_UB_11      -0.58708E-1
_diffrn_orient_matrix_UB_12      0.57316E-1
_diffrn_orient_matrix_UB_13      -0.8088E-2
_diffrn_orient_matrix_UB_21      -0.15401E-1
_diffrn_orient_matrix_UB_22      -0.5682E-2
_diffrn_orient_matrix_UB_23      -0.61606E-1
_diffrn_orient_matrix_UB_31      -0.69078E-1
_diffrn_orient_matrix_UB_32      -0.47477E-1
_diffrn_orient_matrix_UB_33      -0.00246
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0303
_diffrn_reflns_av_sigmaI/netI    0.063
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            4507
_diffrn_reflns_theta_full        24.97
_diffrn_reflns_theta_max         24.97
_diffrn_reflns_theta_min         1.98
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_decay_%        2
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    9.259
_exptl_absorpt_correction_T_max  0.3946
_exptl_absorpt_correction_T_min  0.3052
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;
North A.C.T., Phillips D.C. & Mathews F.S. (1968) Acta. Cryst. A24, 351
Number of psi-scan sets used was 5
Theta correction was applied.
Averaged transmission function was used.
No Fourier smoothing was applied.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.437
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1664
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.947
_refine_diff_density_min         -0.763
_refine_diff_density_rms         0.171
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    fixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         4276
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0712
_refine_ls_R_factor_gt           0.0382
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0273P)^2^+0.9090P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0622
_refine_ls_wR_factor_ref         0.0705
_reflns_number_gt                3115
_reflns_number_total             4276
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b711825b.txt
_cod_data_source_block           akbn10
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7003096
_exptl_absorpt_factor_mur        0.926
_exptl_absorpt_correction_t_ave  0.3425
_diffrn_standards_decay_corr_max 1.026
_diffrn_standards_decay_corr_min 0.99