Intermolecular Interactions of Trichloromethyl Group in the Crystal State, the Case of 2-Trichloromethyl-3H-4-quinazoline Polymorphs and 1-Methyl-2-trichloroacetylpyrrole–Hirshfeld Surface Analysis of Chlorine Halogen Bonding
Rybarczyk-Pirek, Agnieszka J.; Chęcińska, Lilianna; Małecka, Magdalena; Wojtulewski, Sławomir; Crystal Growth & Design 13 (2013) 3913–; doi:10.1021/cg400584w

data_4508129
_publ_section_title
;
 Intermolecular Interactions of Trichloromethyl Group in the Crystal
 State, the Case of 2-Trichloromethyl-3H-4-quinazoline Polymorphs and
 1-Methyl-2-trichloroacetylpyrrole--Hirshfeld Surface Analysis of Chlorine
 Halogen Bonding
;
_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3913
_journal_paper_doi               10.1021/cg400584w
_journal_volume                  13
_journal_year                    2013
_chemical_formula_sum            'C9 H5 Cl3 N2 O'
_chemical_formula_weight         263.50
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_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
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   5.9421(12)
_cell_length_b                   17.846(4)
_cell_length_c                   19.075(4)
_cell_measurement_reflns_used    3971
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.8786
_cell_measurement_theta_min      3.1200
_cell_volume                     2022.8(7)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.4052
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0285
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1780
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         3.13
_exptl_absorpt_coefficient_mu    0.875
_exptl_absorpt_correction_T_max  0.9176
_exptl_absorpt_correction_T_min  0.8444
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.730
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.328
_refine_diff_density_min         -0.259
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     140
_refine_ls_number_reflns         1780
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0343
_refine_ls_R_factor_gt           0.0294
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0366P)^2^+1.2112P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0737
_refine_ls_wR_factor_ref         0.0764
_reflns_number_gt                1566
_reflns_number_total             1780
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg400584w_si_002.cif
_cod_data_source_block           1-orth
_cod_original_sg_symbol_H-M      'P bca'
_cod_database_code               4508129