Role of CHF2- and CF3-Substituents on Molecular Arrangement in the Solid State: Experimental and Theoretical Crystal Structure Analysis of CH3/CHF2/CF3-Substituted Benzene
Merz, Klaus; Evers, Mathies V.; Uhl, Felix; Zubatyuk, Roman I.; Shishkin, Oleg V.; Crystal Growth & Design 14 (2014) 3124–; doi:10.1021/cg500413j

data_4510944
_publ_section_title
;
 Role of CHF2- and CF3-Substituents on Molecular Arrangement in the Solid
 State: Experimental and Theoretical Crystal Structure Analysis of
 CH3/CHF2/CF3-Substituted Benzene
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3124
_journal_paper_doi               10.1021/cg500413j
_journal_volume                  14
_journal_year                    2014
_chemical_formula_sum            'C7 H6 F2'
_chemical_formula_weight         128.12
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 100.18(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.8540(12)
_cell_length_b                   7.9654(16)
_cell_length_c                   13.198(3)
_cell_measurement_temperature    208(2)
_cell_volume                     605.7(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      208(2)
_diffrn_measured_fraction_theta_full 0.816
_diffrn_measured_fraction_theta_max 0.816
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0885
_diffrn_reflns_av_sigmaI/netI    0.0792
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       2
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            1640
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    0.124
_exptl_absorpt_correction_T_max  0.9757
_exptl_absorpt_correction_T_min  0.9638
_exptl_absorpt_correction_type   empirical
_exptl_crystal_density_diffrn    1.405
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.233
_refine_diff_density_min         -0.246
_refine_diff_density_rms         0.069
_refine_ls_extinction_coef       0.08(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     87
_refine_ls_number_reflns         869
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0776
_refine_ls_R_factor_gt           0.0661
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1059P)^2^+0.1076P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1553
_refine_ls_wR_factor_ref         0.1687
_reflns_number_gt                716
_reflns_number_total             869
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            CHF2-C6H5.cif
_cod_data_source_block           samplexx
_cod_depositor_comments
'Adding full bibliography for 4510943--4510944.cif.'
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4510944