Substituent Effects Control the Self-Association of Molecular Clips in the Crystalline State
Zhi-Guo Wang; Bao-Han Zhou; Yun-Feng Chen; Guo-Dong Yin; Yi-Tao Li; An-Xin Wu; Lyle Isaacs; Journal of Organic Chemistry 71 (2006) 4502–4508; doi:10.1021/jo0603375

data_4021734
_publ_section_title
;
 Substituent Effects Control the Self-Association of Molecular Clips
 in the Crystalline State
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4502
_journal_page_last               4508
_journal_paper_doi               10.1021/jo0603375
_journal_volume                  71
_journal_year                    2006
_chemical_formula_sum            'C29 H34 Cl3 N4 O9.5'
_chemical_formula_weight         696.95
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           56
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ab 2ac'
_symmetry_space_group_name_H-M   'P c c n'
_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                   22.813(5)
_cell_length_b                   14.951(3)
_cell_length_c                   18.936(4)
_cell_measurement_temperature    293(2)
_cell_volume                     6458(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0471
_diffrn_reflns_av_sigmaI/netI    0.0332
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            31107
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    0.344
_exptl_absorpt_correction_T_max  0.9664
_exptl_absorpt_correction_T_min  0.9344
_exptl_crystal_density_diffrn    1.434
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2904
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.478
_refine_diff_density_min         -0.386
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     434
_refine_ls_number_reflns         5705
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.0934
_refine_ls_R_factor_gt           0.0733
_refine_ls_shift/su_max          '< 0.001'
_refine_ls_shift/su_mean         '< 0.001'
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0766P)^2^+7.3943P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1754
_refine_ls_wR_factor_ref         0.1918
_reflns_number_gt                4433
_reflns_number_total             5705
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0603375si20060411_041844.cif
_cod_original_formula_sum        'C29 H34 Cl3 N4 O9.50'
_cod_database_code               4021734