Organic fluorine as crystal engineering tool: Evidence from packing features in fluorine substituted isoquinolines
Choudhury, Angshuman Roy; Row, Tayur N. Guru; CrystEngComm 8 (2006) 265–; doi:10.1039/b516670e

data_7203225
_publ_section_title
;
 Organic fluorine as crystal engineering tool: Evidence from packing
 features in fluorine substituted isoquinolines
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              265
_journal_paper_doi               10.1039/b516670e
_journal_volume                  8
_journal_year                    2006
_chemical_formula_sum            'C22 H18 F2 N O'
_chemical_formula_weight         350.37
_chemical_name_common
;1,2-bis-(3-Fluorophenyl)-6-methoxy-1,2,3,4-
tetrahydroisoquinoline
;
_chemical_name_systematic
;
?
;
_space_group_IT_number           43
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_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            16
_cell_length_a                   16.628(6)
_cell_length_b                   45.589(12)
_cell_length_c                   9.044(3)
_cell_measurement_temperature    100(2)
_cell_volume                     6856(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0181
_diffrn_reflns_av_sigmaI/netI    0.0140
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       54
_diffrn_reflns_limit_k_min       -54
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            16402
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.9903
_exptl_absorpt_correction_T_min  0.9759
_exptl_crystal_density_diffrn    1.358
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2928
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.148
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.2(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     321
_refine_ls_number_reflns         3126
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0283
_refine_ls_R_factor_gt           0.0276
_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^)+(0.0533P)^2^+2.9247P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0750
_refine_ls_wR_factor_ref         0.0757
_reflns_number_gt                3066
_reflns_number_total             3126
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            B516670E.txt
_cod_data_source_block           arc11ltm
_cod_database_code               7203225