The crystal structure of 2-iso-propylimidazole, C6H10N2
Hosten, Eric C.; Betz, Richard; Zeitschrift für Kristallographie - New Crystal Structures 236 (2021) 201–203; doi:10.1515/ncrs-2020-0508

data_8104922
_publ_section_title
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 The crystal structure of 2-iso-propylimidazole, C6H10N2
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_journal_issue                   1
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              201
_journal_page_last               203
_journal_paper_doi               10.1515/ncrs-2020-0508
_journal_volume                  236
_journal_year                    2021
_chemical_formula_moiety         'C6 H10 N2'
_chemical_formula_sum            'C6 H10 N2'
_chemical_formula_weight         110.16
_chemical_name_common            2-<i>iso</i>-propylimidazole
_chemical_name_systematic        2-<i>iso</i>-propylimidazole
_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   mixed
_atom_sites_solution_primary     SHELXS
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                96.667(3)
_cell_angle_beta                 95.650(3)
_cell_angle_gamma                100.999(3)
_cell_formula_units_Z            4
_cell_length_a                   7.4423(5)
_cell_length_b                   7.9420(5)
_cell_length_c                   11.6711(8)
_cell_measurement_reflns_used    7265
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.36
_cell_measurement_theta_min      2.64
_cell_volume                     667.42(8)
_computing_cell_refinement       'SAINT [1]'
_computing_data_collection       'APEX2 [1]'
_computing_data_reduction        'SAINT [1]'
_computing_molecular_graphics    'ORTEP3 [3], Mercury [4]'
_computing_publication_material  'SHELXL-97 [2], PLATON [5]'
_computing_structure_refinement  'SHELXL-97 [2]'
_computing_structure_solution    'SHELXS-97 [2]'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0235
_diffrn_reflns_av_sigmaI/netI    0.0198
_diffrn_reflns_Laue_measured_fraction_full 0.989
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11379
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.434
_diffrn_reflns_theta_min         2.638
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6444
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
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SADABS [6]                                         
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_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.096
_exptl_crystal_description       platelet
_exptl_crystal_F_000             240
_exptl_crystal_size_max          0.570
_exptl_crystal_size_mid          0.358
_exptl_crystal_size_min          0.356
_refine_diff_density_max         0.419
_refine_diff_density_min         -0.411
_refine_diff_density_rms         0.043
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         3298
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0715
_refine_ls_R_factor_gt           0.0620
_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^)+(0.0741P)^2^+0.3012P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1578
_refine_ls_wR_factor_ref         0.1681
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                2837
_reflns_number_total             3298
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            suppl_j_ncrs-2020-0508_suppl.cif
_cod_data_source_block           g
_cod_database_code               8104922
_shelx_estimated_absorpt_t_min   0.955
_shelx_estimated_absorpt_t_max   0.976
_iucr_geom_bonds_special_details
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<i>C<i>~g~(1) is the centroid of carbon atoms N21--C21--N22--C23--C22.
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