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_7003094
_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_formula_moiety         'C16 H28 F6 I2 P2 Pt1'
_chemical_formula_sum            'C16 H28 F6 I2 P2 Pt'
_chemical_formula_weight         845.2
_chemical_name_systematic
;
bis(diiospropylperfluorovinylphospine)platium(II) diioide
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.6437(16)
_cell_length_b                   12.9891(18)
_cell_length_c                   14.5673(19)
_cell_measurement_temperature    203(2)
_cell_volume                     2392.4(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0204
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2102
_diffrn_reflns_theta_full        24.97
_diffrn_reflns_theta_max         24.97
_diffrn_reflns_theta_min         2.65
_exptl_absorpt_coefficient_mu    8.626
_exptl_absorpt_correction_T_max  0.2773
_exptl_absorpt_correction_T_min  0.2217
_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    2.347
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.139
_refine_diff_density_min         -1.313
_refine_diff_density_rms         0.258
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.101
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     132
_refine_ls_number_reflns         2102
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.0549
_refine_ls_R_factor_gt           0.0434
_refine_ls_shift/su_max          0.190
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0691P)^2^+8.0313P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1078
_refine_ls_wR_factor_ref         0.1129
_reflns_number_gt                1713
_reflns_number_total             2102
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b711825b.txt
_cod_data_source_block           nb7b
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P bca'
_cod_database_code               7003094