(1α,2β,3α,7α,11α,13β)-1,3,11-Triacetoxy-2,13-bis(benzyloxy)-7-hydroxy-21-methyl-<i>N</i>,19-secohetisan-19-al
Li, Shu-Hua; Zi, Tie-Ying; Wang, Xiong-Qing; Acta Crystallographica Section E 64 (2008) o1394–; doi:10.1107/S1600536808019223

data_2219195
_publ_section_title
(1\a,2\b,3\a,7\a,11\a,13\b)-1,3,11-Triacetoxy-2,13-bis(benzyloxy)-7-hydroxy-21-methyl-<i>N</i>,19-secohetisan-19-al
_journal_coeditor_code           XU2424
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1394
_journal_paper_doi               10.1107/S1600536808019223
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C41 H43 N O12'
_chemical_formula_moiety         'C41 H43 N O12'
_chemical_formula_sum            'C41 H43 N O12'
_chemical_formula_weight         741.76
_chemical_name_common            delgradine
_chemical_name_systematic
;
(1\a,2\b,3\a,7\a,11\a,13\b)-1,3,11-Triacetoxy-2,13-bis(benzyloxy)-7-
hydroxy-21-methyl-N,19-secohetisan-19-al
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 91.07(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.892(4)
_cell_length_b                   11.307(5)
_cell_length_c                   16.825(5)
_cell_measurement_reflns_used    55
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      7.61
_cell_measurement_theta_min      4.72
_cell_volume                     3784(2)
_computing_cell_refinement       'DIFRAC (Gabe & White, 1993)'
_computing_data_collection       'DIFRAC (Gabe & White, 1993)'
_computing_data_reduction        'NRCVAX (Gabe <i>et al.</i>,  1989)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_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  0.0182
_diffrn_reflns_av_sigmaI/netI    0.0510
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            4309
_diffrn_reflns_theta_full        25.52
_diffrn_reflns_theta_max         25.52
_diffrn_reflns_theta_min         1.21
_diffrn_standards_decay_%        2.577
_diffrn_standards_interval_count 300
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.302
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.36
_refine_diff_density_max         0.193
_refine_diff_density_min         -0.203
_refine_ls_extinction_coef       0.0010(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     498
_refine_ls_number_reflns         3705
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.1032
_refine_ls_R_factor_gt           0.0475
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0734P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1133
_refine_ls_wR_factor_ref         0.1295
_reflns_number_gt                2282
_reflns_number_total             3705
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            xu2424.cif
_cod_data_source_block           I
_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.

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

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.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'C 2'
_cod_database_code               2219195
_cod_database_fobs_code          2219195