Structure determination of small molecule compounds by an electron diffractometer for 3D ED/MicroED
Ito, Sho; White, Fraser J.; Okunishi, Eiji; Aoyama, Yoshitaka; Yamano, Akihito; Sato, Hiroyasu; Ferrara, Joseph D.; Jasnowski, Michał; Meyer, Mathias; CrystEngComm 23 (2021) 8622–8630; doi:10.1039/D1CE01172C

data_7243939
_publ_section_title
;
 Structure determination of small molecule compounds by an electron
 diffractometer for 3D ED/MicroED
;
_journal_issue                   48
_journal_name_full               CrystEngComm
_journal_page_first              8622
_journal_page_last               8630
_journal_paper_doi               10.1039/D1CE01172C
_journal_volume                  23
_journal_year                    2021
_chemical_formula_moiety         'C8 H10 N4 Zn'
_chemical_formula_sum            'C8 H10 N4 Zn'
_chemical_formula_weight         227.51
_chemical_name_systematic        zinc;2-methylimidazol-3-ide
_space_group_crystal_system      cubic
_space_group_IT_number           217
_space_group_name_Hall           'I -4 2 3'
_space_group_name_H-M_alt        'I -4 3 m'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-07-27
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6272)
;
_audit_update_record
;
2021-08-31 deposited with the CCDC.	2021-10-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            12
_cell_length_a                   17.497(5)
_cell_length_b                   17.497(5)
_cell_length_c                   17.497(5)
_cell_measurement_reflns_used    655
_cell_measurement_temperature    293
_cell_measurement_theta_max      0.7189
_cell_measurement_theta_min      0.1007
_cell_volume                     5357(3)
_computing_cell_refinement       'CrysAlisPro 1.171.42.18a (Rigaku OD, 2021)'
_computing_data_collection       'CrysAlisPro 1.171.42.18a (Rigaku OD, 2021)'
_computing_data_reduction        'CrysAlisPro 1.171.42.18a (Rigaku OD, 2021)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293
_diffrn_detector                 'Rigaku HyPix-ED area detector'
_diffrn_detector_area_resol_mean 10.0
_diffrn_detector_type            'HPC area detector'
_diffrn_measured_fraction_theta_full 0.959
_diffrn_measured_fraction_theta_max 0.959
_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    -20.00  20.00   1.00   20.00    --    0.00   0.00   0.00   40
;
_diffrn_measurement_device       'Electron diffractometer'
_diffrn_measurement_device_type  Synergy-ED
_diffrn_measurement_method       'continuous rotation'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0012952000
_diffrn_orient_matrix_UB_12      -0.0004892000
_diffrn_orient_matrix_UB_13      0.0003830000
_diffrn_orient_matrix_UB_21      -0.0006092000
_diffrn_orient_matrix_UB_22      0.0011508000
_diffrn_orient_matrix_UB_23      -0.0006002000
_diffrn_orient_matrix_UB_31      -0.0001012000
_diffrn_orient_matrix_UB_32      -0.0007019000
_diffrn_orient_matrix_UB_33      -0.0012457000
_diffrn_radiation_probe          electron
_diffrn_radiation_type           '200 keV electrons'
_diffrn_radiation_wavelength     0.0251
_diffrn_reflns_av_R_equivalents  0.2139
_diffrn_reflns_av_unetI/netI     0.1180
_diffrn_reflns_Laue_measured_fraction_full 0.959
_diffrn_reflns_Laue_measured_fraction_max 0.959
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            2246
_diffrn_reflns_point_group_measured_fraction_full 0.973
_diffrn_reflns_point_group_measured_fraction_max 0.973
_diffrn_reflns_theta_full        0.719
_diffrn_reflns_theta_max         0.719
_diffrn_reflns_theta_min         0.101
_diffrn_source                   'thermionic-emission electron gun'
_diffrn_source_type              LaB6
_exptl_absorpt_coefficient_mu    0.001
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.86812
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.18a (Rigaku Oxford Diffraction, 2021)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    0.846
_exptl_crystal_description       block
_exptl_crystal_F_000             483
_exptl_crystal_size_max          0.0002
_exptl_crystal_size_mid          0.0001
_exptl_crystal_size_min          0.0001
_refine_diff_density_max         0.111
_refine_diff_density_min         -0.099
_refine_diff_density_rms         0.021
_refine_ls_abs_structure_details
;
 All f" are zero, so absolute structure could not be determined
;
_refine_ls_extinction_coef       244(67)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     35
_refine_ls_number_reflns         548
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.1644
_refine_ls_R_factor_gt           0.1137
_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^)+(0.1446P)^2^+1.6694P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2787
_refine_ls_wR_factor_ref         0.3136
_reflns_Friedel_coverage         0.803
_reflns_Friedel_fraction_full    0.992
_reflns_Friedel_fraction_max     0.992
_reflns_number_gt                332
_reflns_number_total             548
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ce01172c1.cif
_cod_data_source_block           exp_615
_cod_depositor_comments
'Adding full bibliography for 7243939--7243951.cif.'
_cod_original_cell_volume        5357(5)
_cod_database_code               7243939
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C N Zn'
_reflns_odcompleteness_completeness 97.17
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     0.72
_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. Others
 Fixed Sof: H3A(0.5) H3B(0.5) H3C(0.5)
3.a Aromatic/amide H refined with riding coordinates:
 C1(H1)
3.b Idealised Me refined as rotating group:
 C3(H3A,H3B,H3C)
;
_shelx_res_checksum              84877
_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
;
_oxdiff_exptl_absorpt_empirical_full_max 1.343
_oxdiff_exptl_absorpt_empirical_full_min 0.803