Probing chemical space with alkaloid-inspired libraries.
McLeod, Michael C.; Singh, Gurpreet; Plampin, 3rd, James N; Rane, Digamber; Wang, Jenna L.; Day, Victor W.; Aubé, Jeffrey; Nature chemistry 6 (2014) 133–140; doi:10.1038/nchem.1844

data_1513777
_publ_section_title
;
 Probing chemical space with alkaloid-inspired libraries.
;
_journal_issue                   2
_journal_name_full               'Nature chemistry'
_journal_page_first              133
_journal_page_last               140
_journal_paper_doi               10.1038/nchem.1844
_journal_volume                  6
_journal_year                    2014
_chemical_absolute_configuration unk
_chemical_formula_sum            'C19 H26 N2 O3'
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_symmetry_space_group_name_Hall  'P 2ac 2ab'
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_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
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_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.238(4)
_cell_length_b                   11.592(6)
_cell_length_c                   20.280(11)
_cell_measurement_reflns_used    7069
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_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
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_diffrn_measured_fraction_theta_max 0.962
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
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_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            15687
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_diffrn_reflns_theta_max         29.15
_diffrn_reflns_theta_min         2.01
_diffrn_standards_decay_%        0.00
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.905
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Irregular
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.286
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
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_refine_ls_number_reflns         4277
_refine_ls_number_restraints     0
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_refine_ls_R_factor_all          0.0486
_refine_ls_R_factor_gt           0.0446
_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^)+(0.0567P)^2^+0.0600P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1039
_refine_ls_wR_factor_ref         0.1055
_reflns_number_gt                3957
_reflns_number_total             4277
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            nchem.1844-s8.cif
_cod_data_source_block           k19j
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/automatic-downloads/current/Nature/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        1701.4(16)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1513777