A synthesis of the carbocyclic core of maoecrystal V.
Lazarski, Kiel E.; Hu, Dennis X.; Stern, Charlotte L.; Thomson, Regan J.; Organic letters 12 (2010) 3010–3013; doi:10.1021/ol101025r

data_1503031
_publ_section_title
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 A synthesis of the carbocyclic core of maoecrystal V.
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_journal_issue                   13
_journal_name_full               'Organic letters'
_journal_page_first              3010
_journal_page_last               3013
_journal_paper_doi               10.1021/ol101025r
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C24 H41 N O4 Si'
_chemical_formula_weight         435.67
_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
_audit_creation_method           SHELXL-97
_audit_update_record
;
2010-04-14 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 91.224(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.3154(11)
_cell_length_b                   15.339(2)
_cell_length_c                   21.853(3)
_cell_measurement_reflns_used    3856
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.37
_cell_measurement_theta_min      2.29
_cell_volume                     2451.6(6)
_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'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.928
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.1234
_diffrn_reflns_av_sigmaI/netI    0.1440
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            22078
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.74
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    0.124
_exptl_absorpt_correction_T_max  0.9968
_exptl_absorpt_correction_T_min  0.9723
_exptl_absorpt_correction_type   numerical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.180
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             952
_exptl_crystal_size_max          0.480
_exptl_crystal_size_mid          0.112
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.487
_refine_diff_density_min         -0.296
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.908
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     282
_refine_ls_number_reflns         5892
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.908
_refine_ls_R_factor_all          0.1436
_refine_ls_R_factor_gt           0.0645
_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^)+(0.0734P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1338
_refine_ls_wR_factor_ref         0.1599
_reflns_number_gt                2994
_reflns_number_total             5892
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol101025r_si_002.cif
_cod_data_source_block           s15y
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_cell_volume        2451.7(6)
_cod_database_code               1503031