Substituent effects on aromatic stacking interactions.
Cockroft, Scott L.; Perkins, Julie; Zonta, Cristiano; Adams, Harry; Spey, Sharon E.; Low, Caroline M. R.; Vinter, Jeremy G.; Lawson, Kevin R.; Urch, Christopher J.; Hunter, Christopher A.; Organic & biomolecular chemistry 5 (2007) 1062–1080; doi:10.1039/b617576g

data_7151077
_publ_section_title
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 Substituent effects on aromatic stacking interactions.
;
_journal_issue                   7
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1062
_journal_page_last               1080
_journal_paper_doi               10.1039/b617576g
_journal_volume                  5
_journal_year                    2007
_chemical_formula_sum            'C15 H10 F5 N O'
_chemical_formula_weight         315.24
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 92.256(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.7498(10)
_cell_length_b                   10.856(2)
_cell_length_c                   26.289(6)
_cell_measurement_reflns_used    1971
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      54.713
_cell_measurement_theta_min      4.861
_cell_volume                     1354.5(5)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_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_detector_area_resol_mean 100
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_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  0.0339
_diffrn_reflns_av_sigmaI/netI    0.0475
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            8113
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         1.55
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.144
_exptl_absorpt_correction_T_max  0.9717
_exptl_absorpt_correction_T_min  0.9314
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.546
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.243
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_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.889
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         3051
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.889
_refine_ls_R_factor_all          0.0861
_refine_ls_R_factor_gt           0.0435
_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^)+(0.0759P)^2^+0.2174P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1098
_refine_ls_wR_factor_ref         0.1338
_reflns_number_gt                1799
_reflns_number_total             3051
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b617576g.txt
_cod_data_source_block           och236m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed to
'constr' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' tag value 'multi-scans' was replaced
with 'multi-scan' value.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7151077