C23H26N2O3
Heron, Mark; Gelbrich, Thomas; Hursthouse, Michael B.; Crystal Structure Report Archive  (1999) 805–; doi:

data_1519233
_publ_section_title
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 C23H26N2O3
;
_journal_name_full               'Crystal Structure Report Archive'
_journal_page_first              805
_journal_year                    1999
_chemical_formula_sum            'C23 H26 N2 O3'
_chemical_formula_weight         378.46
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 102.79(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.189(3)
_cell_length_b                   9.300(2)
_cell_length_c                   16.258(3)
_cell_measurement_temperature    150(2)
_cell_volume                     1944.7(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.879
_diffrn_measured_fraction_theta_max 0.879
_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  0.1000
_diffrn_reflns_av_sigmaI/netI    0.0844
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            11151
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         2.57
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9957
_exptl_absorpt_correction_T_min  0.9830
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.293
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       pyramid
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.294
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.961
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     357
_refine_ls_number_reflns         3313
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.961
_refine_ls_R_factor_all          0.0913
_refine_ls_R_factor_gt           0.0491
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0739P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1124
_refine_ls_wR_factor_ref         0.1324
_reflns_number_gt                2165
_reflns_number_total             3313
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            eCrystal-805.cif
_cod_data_source_block           s92
_cod_depositor_comments
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Citation :
Heron, Mark (B.M.) and Gelbrich, Thomas and Hursthouse, Michael B. (1999) 
University of Southampton, Crystal Structure Report 

More at:
http://ecrystals.chem.soton.ac.uk/805/

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 3105 2015-03-04 15:46:00Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1519233