Chromotropic Behavior of Lophine Nitro-Derivatives
Fridman, Natalya; Speiser, Shammai; Kaftory, Menahem; Crystal Growth & Design 6 (2006) 2281–; doi:10.1021/cg0600952

data_4508690
_publ_section_title
;
 Chromotropic Behavior of Lophine Nitro-Derivatives
;
_journal_issue                   10
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2281
_journal_paper_doi               10.1021/cg0600952
_journal_volume                  6
_journal_year                    2006
_chemical_formula_moiety         'C23 H19 N3 O5, C4 H8 O2'
_chemical_formula_sum            'C27 H27 N3 O7'
_chemical_formula_weight         505.52
_chemical_name_systematic
;
 Phenol, 2-[4,5-bis(4-methoxyphenyl)-1H-imidazol-2-yl]-4-nitro
 1,4-Dioxane clathrate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.99(2)
_cell_angle_beta                 97.60(2)
_cell_angle_gamma                105.38(2)
_cell_formula_units_Z            2
_cell_length_a                   8.954(2)
_cell_length_b                   9.943(2)
_cell_length_c                   14.841(3)
_cell_measurement_reflns_used    none
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      1.018
_cell_volume                     1260.9(5)
_computing_cell_refinement       'Denzo SMN (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius, 2000)'
_computing_data_reduction        'Denzo SMN (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 95
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'phi scan'
_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  0.0409
_diffrn_reflns_av_sigmaI/netI    0.1060
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            7522
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.39
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  0.9884
_exptl_absorpt_correction_T_min  0.9279
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             532
_exptl_crystal_size_max          0.78
_exptl_crystal_size_mid          0.57
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.334
_refine_diff_density_min         -0.241
_refine_diff_density_rms         0.073
_refine_ls_extinction_coef       0.081(5)
_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   0.802
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     337
_refine_ls_number_reflns         4433
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.802
_refine_ls_R_factor_all          0.1011
_refine_ls_R_factor_gt           0.0479
_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^)+(0.0754P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1128
_refine_ls_wR_factor_ref         0.1332
_reflns_number_gt                2040
_reflns_number_total             4433
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg0600952sup2.cif
_cod_data_source_block           5-nitro-2-hydroxyimidazoldioxane
_cod_database_code               4508690