Structural diversity in substituted-pyridinium iodo- and bromoplumbates: a matter of halide and temperature
Gómez, Verónica; Fuhr, Olaf; Ruben, Mario; CrystEngComm 18 (2016) 8207–; doi:10.1039/C6CE01684G

data_7226595
_publ_section_title
;
 Structural diversity in substituted-pyridinium iodo- and bromoplumbates:
 a matter of halide and temperature
;
_journal_issue                   42
_journal_name_full               CrystEngComm
_journal_page_first              8207
_journal_paper_doi               10.1039/C6CE01684G
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         '0.5(I6 Pb2), C6 H8 N'
_chemical_formula_sum            'C6 H8 I3 N Pb'
_chemical_formula_weight         682.02
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2016-08-29
_audit_creation_method
;
Olex2 1.2
(compiled 2016.08.23 svn.r3337 for OlexSys, GUI svn.r5217)
;
_audit_update_record
;
2016-08-30 deposited with the CCDC.
2016-09-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.9441(6)
_cell_length_b                   10.5453(3)
_cell_length_c                   15.6630(6)
_cell_measurement_reflns_used    9204
_cell_measurement_temperature    180.15
_cell_measurement_theta_max      26.04
_cell_measurement_theta_min      2.33
_cell_volume                     1312.14(12)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      180.15
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 0.953
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_collimation    '0.5 mm diameter, monocapillary'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0423
_diffrn_reflns_av_unetI/netI     0.0225
_diffrn_reflns_Laue_measured_fraction_full 0.953
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8374
_diffrn_reflns_point_group_measured_fraction_full 0.953
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         25.596
_diffrn_reflns_theta_min         2.328
_diffrn_source
'sealed X-ray tube, 12 x 0.4 mm long-fine focus'
_diffrn_source_current           40
_diffrn_source_power             2.000
_diffrn_source_target            Mo
_diffrn_source_type              'sealed X-ray tube'
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    19.871
_exptl_absorpt_correction_T_max  0.2210
_exptl_absorpt_correction_T_min  0.0396
_exptl_absorpt_correction_type   integration
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    3.452
_exptl_crystal_description       plate
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.938
_refine_diff_density_min         -1.714
_refine_diff_density_rms         0.192
_refine_ls_extinction_coef       0.00091(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.975
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     60
_refine_ls_number_reflns         1301
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.975
_refine_ls_R_factor_all          0.0326
_refine_ls_R_factor_gt           0.0256
_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^)+(0.0441P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0613
_refine_ls_wR_factor_ref         0.0635
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1078
_reflns_number_total             1301
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ce01684g2.cif
_cod_data_source_block           vp-125bis3p
_cod_depositor_comments
'Adding full bibliography for 7226587--7226601.cif.'
_cod_database_code               7226595
_shelxl_version_number           2013-4
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Others
 Fixed Sof: H4A(0.5) H4B(0.5) H4C(0.5)
3.a Aromatic/amide H refined with riding coordinates:
 N1(H1), C1(H1A), C2(H2)
3.b Idealised Me refined as rotating group:
 C4(H4A,H4B,H4C)
;
_shelx_res_checksum              77695
_olex2_submission_special_instructions 'No special instructions were received'