[Pt(C22H22N4)]2(ClO4)
Gillard, Robert D.; Ullah, S.M. Bashir; Malik, K.M. Abdul; Hursthouse, Michael B.; Lamond, Steven J.; Crystal Structure Report Archive  (1992) 866–; doi:

data_1519122
_publ_section_title
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 [Pt(C22H22N4)]2(ClO4)
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_journal_name_full               'Crystal Structure Report Archive'
_journal_page_first              866
_journal_year                    1992
_chemical_formula_sum            'C22 H18 Cl2 N4 O8 Pt'
_chemical_formula_weight         732.39
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 96.920(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.397(3)
_cell_length_b                   27.420(8)
_cell_length_c                   10.898(4)
_cell_measurement_temperature    293(2)
_cell_volume                     2490.9(15)
_computing_cell_refinement       REFINE
_computing_data_collection       'MADNES (Pflugrath & Messerschmidt, 1989)'
_computing_data_reduction        'ABSURD (Karaulov, 1992)'
_computing_molecular_graphics    'SNOOPI (K. Davies, Univ. of Oxford, 1983)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution
'SIR92 (Altomare, Cascarano, Giacovazzo & Guaglitardi, 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.494
_diffrn_measured_fraction_theta_max 0.494
_diffrn_measurement_device_type  'Delft instruments FAST area detector'
_diffrn_measurement_method
'Intensity measurements as described by Darr, Drake, Hursthouse & Malik (1993)'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode generator'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0012
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2918
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.44
_exptl_absorpt_coefficient_mu    5.699
_exptl_absorpt_correction_T_max  0.7261
_exptl_absorpt_correction_T_min  0.1628
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
DIFABS (N. Walker and D. Stuart, Acta Cryst., 1983, A39, 158-166) 
adapted for FAST geometry by A. Karaulov, Univ. of Cardiff, 1990)
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.953
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.150
_refine_diff_density_min         -0.855
_refine_diff_density_rms         0.103
_refine_ls_extinction_coef       0
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.129
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         2819
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.129
_refine_ls_R_factor_all          0.0331
_refine_ls_R_factor_gt           0.0331
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1051
_refine_ls_wR_factor_ref         0.1051
_reflns_number_gt                2819
_reflns_number_total             2819
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            eCrystal-866.cif
_cod_data_source_block           92car011
_cod_depositor_comments
;
Citation :
Gillard, Robert D. and Ullah, S.M. Bashir and Malik, K.M. Abdul 
and Hursthouse, Michael B. and Lamond, Steven J. (1992) 
University of Southampton, Crystal Structure Report Archive. 
(doi:10.5258/ecrystals/865)

http://ecrystals.chem.soton.ac.uk/866/

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' 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 3105 2015-03-04 15:46:00Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1519122