Diverse tetracyanodihydrodipyrazinopyrazine clathrate crystals assembled from weak intermolecular interactions
Watanabe, Kosuke; Sugiyama, Haruki; Segawa, Yasutomo; CrystEngComm 27 (2025) 3552–3559; doi:10.1039/D5CE00289C

data_7250307
_publ_section_title
;
 Diverse tetracyanodihydrodipyrazinopyrazine clathrate crystals assembled
 from weak intermolecular interactions
;
_journal_issue                   21
_journal_name_full               CrystEngComm
_journal_page_first              3552
_journal_page_last               3559
_journal_paper_doi               10.1039/D5CE00289C
_journal_volume                  27
_journal_year                    2025
_chemical_formula_moiety         'C30 H22 N10, C6 H5 I'
_chemical_formula_sum            'C36 H27 I N10'
_chemical_formula_weight         726.57
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2024-12-20
_audit_creation_method
;
Olex2 1.5
(compiled 2023.08.24 svn.re1ec1418 for OlexSys, GUI svn.r6817)
;
_audit_update_record
;
2025-03-10 deposited with the CCDC.	2025-04-23 downloaded from the CCDC.
;
_cell_angle_alpha                81.725(4)
_cell_angle_beta                 77.867(4)
_cell_angle_gamma                76.129(4)
_cell_formula_units_Z            1
_cell_length_a                   8.1750(4)
_cell_length_b                   9.1048(5)
_cell_length_c                   11.3499(6)
_cell_measurement_reflns_used    3471
_cell_measurement_temperature    143.15
_cell_measurement_theta_max      28.2300
_cell_measurement_theta_min      3.1000
_cell_volume                     797.93(7)
_computing_cell_refinement       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      143.15
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -44.00  60.00   0.50    1.08    --  -19.87  57.00  90.00  208
  2  \w     57.00  83.00   0.50    1.08    --   21.12  77.00  30.00   52
  3  \w    -16.00  42.00   0.50    1.08    --   21.12  77.00  30.00  116
  4  \w    -43.00  34.00   0.50    1.08    --   21.12 -57.00 -90.00  154
  5  \w     -1.00  26.00   0.50    1.08    --   21.12-105.00 -95.00   54
  6  \w    -10.00  26.00   0.50    1.08    --  -19.87 -99.00-120.00   72
  7  \w      3.00  34.00   0.50    1.08    --  -19.87 -99.00  30.00   62
  8  \w    -44.00  55.00   0.50    1.08    --   21.12 -57.00 150.00  198
  9  \w    -69.00  -5.00   0.50    1.08    --  -19.87 105.00   4.00  128
 10  \w    -97.00 -13.00   0.50    1.08    --  -19.87 -57.00-180.00  168
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'ROD, Synergy Custom system, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0464
_diffrn_reflns_av_unetI/netI     0.0647
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8772
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.099
_diffrn_reflns_theta_min         2.815
_exptl_absorpt_coefficient_mu    1.047
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.54271
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.93a (Rigaku Oxford Diffraction, 2020)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.512
_exptl_crystal_description       block
_exptl_crystal_F_000             366
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.729
_refine_diff_density_min         -0.578
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         3512
_refine_ls_number_restraints     84
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0729
_refine_ls_R_factor_gt           0.0517
_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^)+(0.0792P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1290
_refine_ls_wR_factor_ref         0.1415
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2594
_reflns_number_total             3512
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ce00289c2.cif
_cod_data_source_block           TCDP-PhI
_cod_depositor_comments
'Adding full bibliography for 7250300--7250316.cif.'
_cod_database_code               7250307
_shelx_shelxl_version_number     2019/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(I21) \\sim Ueq, Uanis(C22) \\sim Ueq, Uanis(C27) \\sim Ueq, Uanis(C26)
\\sim Ueq, Uanis(C25) \\sim Ueq, Uanis(C23) \\sim Ueq, Uanis(C24) \\sim Ueq:
with sigma of 0.01 and sigma for terminal atoms of 0.02
3. Rigid body (RIGU) restrains
 I21, C22, C23, C24, C25, C26, C27
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
4. Others
 Fixed Sof: I21(0.5) C22(0.5) C27(0.5) H27(0.5) C26(0.5) H26(0.5) C25(0.5)
 H25(0.5) C24(0.5) H24(0.5) C23(0.5) H23(0.5)
5.a Aromatic/amide H refined with riding coordinates:
 C5(H5), C3(H3), C27(H27), C26(H26), C25(H25), C24(H24), C23(H23)
5.b Fitted hexagon refined as free rotating group:
 C22(C27,C26,C25,C24,C23)
5.c Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C), C9(H9A,H9B,H9C), C8(H8A,H8B,H8C)
;
_shelx_res_checksum              22760
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;