Structural Variations of Potassium Aryloxides
Timothy J. Boyle; Nicholas L. Andrews; Mark A. Rodriguez; Charles Campana; Timothy Yiu; Inorganic Chemistry 42 (2003) 5357–5366; doi:10.1021/ic034222k

data_4314055
_publ_section_title
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 Structural Variations of Potassium Aryloxides
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5357
_journal_page_last               5366
_journal_paper_doi               10.1021/ic034222k
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C86 H82 K4 N6 O4'
_chemical_formula_weight         1419.98
_chemical_name_common            K4(DPE)4(Py)4*2(Py)solv
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           81
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4'
_symmetry_space_group_name_H-M   'P -4'
_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                   28.2270(13)
_cell_length_b                   28.2270(13)
_cell_length_c                   9.7046(4)
_cell_measurement_temperature    168(2)
_cell_volume                     7732.3(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      168(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0694
_diffrn_reflns_av_sigmaI/netI    0.0594
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            46055
_diffrn_reflns_theta_full        22.50
_diffrn_reflns_theta_max         22.50
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.284
_exptl_absorpt_correction_type   'SADABS (V2.03)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.220
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             2992
_exptl_crystal_size_max          0.226
_exptl_crystal_size_mid          0.147
_exptl_crystal_size_min          0.00
_refine_diff_density_max         0.320
_refine_diff_density_min         -0.273
_refine_diff_density_rms         0.054
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.327
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     771
_refine_ls_number_reflns         10119
_refine_ls_number_restraints     902
_refine_ls_restrained_S_all      1.301
_refine_ls_R_factor_all          0.0835
_refine_ls_R_factor_gt           0.0555
_refine_ls_shift/su_max          7.203
_refine_ls_shift/su_mean         0.442
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0400P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1109
_refine_ls_wR_factor_ref         0.1211
_reflns_number_gt                7760
_reflns_number_total             10119
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic034222ksi20030227_032620_12.cif
_cod_data_source_block           na102
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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 
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_cod_database_code               4314055