C27H29N3O3
Stephenson, Richard A.; Murphy, P. J.; Hursthouse, Michael B.; Crystal Structure Report Archive  (2009) 679–; doi:

data_1520369
_publ_section_title
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 C27H29N3O3
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_journal_name_full               'Crystal Structure Report Archive'
_journal_page_first              679
_journal_year                    2009
_chemical_formula_sum            'C27 H29 N3 O3'
_chemical_formula_weight         443.53
_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                 105.363(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.0632(15)
_cell_length_b                   17.471(2)
_cell_length_c                   11.7628(11)
_cell_measurement_reflns_used    105747
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      26.37
_cell_measurement_theta_min      2.91
_cell_volume                     2390.5(5)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type
'Bruker-Nonius Roper CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \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  0.1872
_diffrn_reflns_av_sigmaI/netI    0.1310
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            45452
_diffrn_reflns_theta_full        26.63
_diffrn_reflns_theta_max         26.63
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9976
_exptl_absorpt_correction_T_min  0.9840
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.232
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Fragment
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.203
_refine_diff_density_min         -0.279
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.113
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     303
_refine_ls_number_reflns         4937
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.1906
_refine_ls_R_factor_gt           0.1086
_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^)+(0.0459P)^2^+2.6476P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1678
_refine_ls_wR_factor_ref         0.1953
_reflns_number_gt                2829
_reflns_number_total             4937
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            eCrystal-679.cif
_cod_data_source_block           2009src0297
_cod_depositor_comments
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Citation :
Stephenson, Richard A and Murphy, P J and Hursthouse, Michael B. (2009)
University of Southampton, Crystal Structure Report Archive. 
(doi:10.5258/ecrystals/679)

More at:
http://ecrystals.chem.soton.ac.uk/679/
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1520369