N⋯I halogen bonding supported stabilization of a discrete pseudo-linear [I12]2−polyiodide
Peuronen, Anssi; Rinta, Heikki; Lahtinen, Manu; CrystEngComm 17 (2015) 1736–; doi:10.1039/C4CE01866D

data_7218352
_publ_section_title
;
 N&#x22EF;I halogen bonding supported stabilization of a discrete
 pseudo-linear [I12]2&#x2212;polyiodide
;
_journal_issue                   8
_journal_name_full               CrystEngComm
_journal_page_first              1736
_journal_paper_doi               10.1039/C4CE01866D
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C20 H40 N4, 2(I3)'
_chemical_formula_sum            'C20 H40 I6 N4'
_chemical_formula_weight         1097.96
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2014-08-21
_audit_creation_method
;
Olex2 1.2
(compiled 2014.07.22 svn.r2960 for OlexSys, GUI svn.r4862)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.8096(2)
_cell_length_b                   15.32770(10)
_cell_length_c                   22.8613(3)
_cell_measurement_temperature    123
_cell_volume                     5890.27(11)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      123
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker-Nonius Kappa CCD with APEXII detector'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0457
_diffrn_reflns_av_unetI/netI     0.0334
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            37444
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.000
_diffrn_reflns_theta_min         2.155
_exptl_absorpt_coefficient_mu    6.344
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5808
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0933 before and 0.0797 after correction.
The Ratio of minimum to maximum transmission is 0.7790.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'dark orange'
_exptl_crystal_colour_modifier   dark
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    2.476
_exptl_crystal_description       plate
_exptl_crystal_F_000             4048
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.780
_refine_diff_density_min         -4.129
_refine_diff_density_rms         0.296
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         5750
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0676
_refine_ls_R_factor_gt           0.0582
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0762P)^2^+186.3230P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1562
_refine_ls_wR_factor_ref         0.1649
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5012
_reflns_number_total             5750
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4ce01866d2.cif
_cod_data_source_block           2-I6_2-
_cod_depositor_comments
'Adding full bibliography for 7218347--7218353.cif.'
_cod_database_code               7218352
_shelxl_version_number           2013-4
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C1(H1a,H1b), C2(H2a,H2b), C3(H3a,H3b), C4(H4a,H4b), C5(H5a,H5b), C6(H6a,H6b),
 C7(H7a,H7b), C8(H8a,H8b), C9(H9a,H9b), C10(H10a,H10b), C11(H11a,H11b),
 C12(H12a,H12b), C13(H13a,H13b), C14(H14a,H14b), C15(H15a,H15b), C16(H16a,H16b),
  C17(H17a,H17b), C18(H18a,H18b), C19(H19a,H19b), C20(H20a,H20b)
;
_olex2_submission_special_instructions 'No special instructions were received'