C21H20FN2O3
Coles, Simon J.; Hursthouse, Michael B.; Blagden, Nick; Berry, David; Crystal Structure Report Archive  (2008) 409–; doi:

data_1520267
_publ_section_title
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 C21H20FN2O3
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_journal_name_full               'Crystal Structure Report Archive'
_journal_page_first              409
_journal_year                    2008
_chemical_formula_sum            'C21 H20 F N2 O3'
_chemical_formula_weight         367.39
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 92.250(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   27.4599(12)
_cell_length_b                   5.6654(2)
_cell_length_c                   11.4275(5)
_cell_measurement_reflns_used    8342
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1776.42(13)
_computing_cell_refinement       'DENZO, COLLECT'
_computing_data_reduction        'DENZO, COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD Area Detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0651
_diffrn_reflns_av_sigmaI/netI    0.0760
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            17171
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.97
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.9970
_exptl_absorpt_correction_T_min  0.9427
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2.10 (Sheldrick, G.M., 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.374
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blade
_exptl_crystal_F_000             772
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.268
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         3958
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.1033
_refine_ls_R_factor_gt           0.0543
_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^)+(0.0641P)^2^+0.5579P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1219
_refine_ls_wR_factor_ref         0.1448
_reflns_number_gt                2535
_reflns_number_total             3958
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            eCrystal-409.cif
_cod_data_source_block           2008src0405r
_cod_depositor_comments
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Citation :
Coles, Simon J. and Hursthouse, Michael B. and Blagden, Nick and 
Berry, David (2008) 
University of Southampton, Crystal Structure Report Archive. 
(doi:10.5258/ecrystals/409)

More at:
http://ecrystals.chem.soton.ac.uk/409/

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 3392 2015-05-12 13:50:21Z andrius 
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1520267