Structure and Chemistry of SeFx(CN)4-x Compounds.
Fritz, Stefanie; Ehm, Christian; Lentz, Dieter; Inorganic chemistry 54 (2015) 5220–5231; doi:10.1021/acs.inorgchem.5b00107

data_4342982
_publ_section_title
;
 Structure and Chemistry of SeFx(CN)4-x Compounds.
;
_journal_issue                   11
_journal_name_full               'Inorganic chemistry'
_journal_page_first              5220
_journal_page_last               5231
_journal_paper_doi               10.1021/acs.inorgchem.5b00107
_journal_volume                  54
_journal_year                    2015
_chemical_formula_moiety         'C2 N2 Se, C12 H24 O6, 0.5(C12 H24 O6)'
_chemical_formula_sum            'C20 H36 N2 O9 Se'
_chemical_formula_weight         527.47
_chemical_name_systematic        'selenium dicyanide 18-crown-6 adduct'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 112.511(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.766(4)
_cell_length_b                   9.834(3)
_cell_length_c                   18.608(5)
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      50.015
_cell_measurement_theta_min      4.730
_cell_volume                     2496.2(12)
_computing_cell_refinement       'Saint (Bruker AXS)'
_computing_data_collection       'Smart (Bruker AXS)'
_computing_data_reduction        'Saint (Bruker AXS)'
_computing_molecular_graphics    'Ortep3v2 for Windows'
_computing_publication_material  'publCIF (IUCR)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker AXS Smart CCD'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0631
_diffrn_reflns_av_unetI/netI     0.0415
_diffrn_reflns_Laue_measured_fraction_full 0.983
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            25644
_diffrn_reflns_point_group_measured_fraction_full 0.983
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.078
_diffrn_reflns_theta_min         2.233
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    1.553
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.4996
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS-2008/1 (Bruker-AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_description       prism
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.18
_refine_diff_density_max         2.470
_refine_diff_density_min         -0.664
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4444
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0540
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0605P)^2^+5.2756P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1142
_refine_ls_wR_factor_ref         0.1211
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3817
_reflns_number_total             4444
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b00107_si_001.cif
_cod_data_source_block           1034964
_cod_depositor_comments
'Adding full bibliography for 4342982--4342987.cif.'
_cod_original_cell_volume        2496.2(11)
_cod_database_code               4342982
_shelxl_version_number           2014-1
_shelx_res_checksum              76322
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