Substituent effects on aromatic interactions in the solid state
Adams, Harry; Bernad Jr., Pablo L.; Hembury, Guy A.; Hunter, Christopher A.; McCabe, James F.; Eggleston, Drake S.; Haltiwanger, R. Curtis; Livingstone, David J.; D. M. Harris, Kenneth; Kariuki, Benson M.; Chemical Communications  (2001) 1500–; doi:10.1039/b101575n

data_7114815
_publ_section_title
;
 Substituent effects on aromatic interactions in the solid state
;
_journal_issue                   16
_journal_name_full               'Chemical Communications'
_journal_page_first              1500
_journal_paper_doi               10.1039/b101575n
_journal_year                    2001
_chemical_formula_sum            'C21 H28 N2 O'
_chemical_formula_weight         324.45
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 113.020(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.289(4)
_cell_length_b                   9.9638(15)
_cell_length_c                   17.896(3)
_cell_measurement_reflns_used    43
_cell_measurement_temperature    150(2)
_cell_volume                     3822.0(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0767
_diffrn_reflns_av_sigmaI/netI    0.0831
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            11862
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.25
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.9876
_exptl_absorpt_correction_T_min  0.9722
_exptl_absorpt_correction_type   semi-empirical
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_density_diffrn    1.128
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.421
_refine_diff_density_min         -0.397
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.950
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         4610
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.950
_refine_ls_R_factor_all          0.1271
_refine_ls_R_factor_gt           0.0705
_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^)+(0.1199P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1887
_refine_ls_wR_factor_ref         0.2167
_reflns_number_gt                2523
_reflns_number_total             4610
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b101575n.txt
_cod_data_source_block           gah19
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        3822.0(10)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7114815