Wire-like PtC[triple bond]CC[triple bond]CC[triple bond]CC[triple bond]CPt moieties surrounded by double-helical "insulation": new motifs featuring P(CH2)20P and P(CH2)4O(CH2)2O(CH2)4P linkages.
de Quadras, Laura; Hampel, Frank; Gladysz, J. A.; Dalton transactions (Cambridge, England : 2003)  (2006) 2929–2933; doi:10.1039/b604465b

data_7007388
_publ_section_title
;
 Wire-like PtC[triple bond]CC[triple bond]CC[triple bond]CC[triple
 bond]CPt moieties surrounded by double-helical "insulation": new
 motifs featuring P(CH2)20P and P(CH2)4O(CH2)2O(CH2)4P linkages.
;
_journal_issue                   24
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2929
_journal_page_last               2933
_journal_paper_doi               10.1039/b604465b
_journal_year                    2006
_chemical_formula_sum            'C97 H100 F10 O5 P4 Pt2'
_chemical_formula_weight         2049.83
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 101.8550(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.4114(3)
_cell_length_b                   17.9695(3)
_cell_length_c                   24.2342(3)
_cell_measurement_reflns_used    20654
_cell_measurement_temperature    173(2)
_cell_volume                     9125.3(2)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       'Nonius Collect'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'SHELXTL NT'
_computing_publication_material  'SHELXTL NT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_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_type  'Nonius KappaCCD'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0497
_diffrn_reflns_av_sigmaI/netI    0.0793
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            39762
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.06
_exptl_absorpt_coefficient_mu    3.204
_exptl_absorpt_correction_T_max  0.6450
_exptl_absorpt_correction_T_min  0.6450
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   Sclaepack
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.492
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4112
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.123
_refine_diff_density_min         -0.956
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.966
_refine_ls_hydrogen_treatment    'riding model'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1063
_refine_ls_number_reflns         20905
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.966
_refine_ls_R_factor_all          0.0886
_refine_ls_R_factor_gt           0.0421
_refine_ls_shift/su_max          0.049
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0452P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0848
_refine_ls_wR_factor_ref         0.0979
_reflns_number_gt                13238
_reflns_number_total             20905
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b604465b.txt
_cod_data_source_block           ldq11
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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      P2(1)/n
_cod_database_code               7007388