Stereoselective one-pot synthesis of polypropionates
Guo-Ming Ho; Medel Manuel L. Zulueta; Shang-Cheng Hung; Nature Cummunications 8 (2017) 679–; doi:10.1038/s41467-017-00787-y

data_1547710
_publ_section_title
;
 Stereoselective one-pot synthesis of polypropionates
;
_journal_name_full               'Nature Cummunications'
_journal_page_first              679
_journal_paper_doi               10.1038/s41467-017-00787-y
_journal_volume                  8
_journal_year                    2017
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C18 H24 O4'
_chemical_formula_sum            'C18 H24 O4'
_chemical_formula_weight         304.37
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 108.429(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.8720(3)
_cell_length_b                   11.0082(3)
_cell_length_c                   9.1544(3)
_cell_measurement_reflns_used    8403
_cell_measurement_temperature    100.0(2)
_cell_measurement_theta_max      26.58
_cell_measurement_theta_min      2.35
_cell_volume                     848.21(5)
_computing_cell_refinement       'APEX3 v2015.9-0 (Bruker AXS)'
_computing_data_collection       'Bruker Instrument Service v2012.12.0.3'
_computing_data_reduction        'SAINT V8.35A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'shelXle (C.B. Huebschle, rev 740)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'XT, VERSION 2014/4'
_diffrn_ambient_temperature      100.0(2)
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0464
_diffrn_reflns_av_unetI/netI     0.0275
_diffrn_reflns_Laue_measured_fraction_full 1
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            29015
_diffrn_reflns_point_group_measured_fraction_full 1
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         27.1
_diffrn_reflns_theta_min         2.345
_diffrn_standards_interval_count .
_diffrn_standards_interval_time  .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.9705
_exptl_absorpt_correction_T_min  0.9001
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS, 1996'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.192
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             328
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.183
_refine_diff_density_min         -0.146
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details
;
 Flack x determined using 1552 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   0.2(3)
_refine_ls_extinction_coef       0.018(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.05
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     204
_refine_ls_number_reflns         3748
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.05
_refine_ls_R_factor_all          0.035
_refine_ls_R_factor_gt           0.0305
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0308P)^2^+0.1310P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0683
_refine_ls_wR_factor_ref         0.071
_reflns_Friedel_coverage         0.899
_reflns_Friedel_fraction_full    1
_reflns_Friedel_fraction_max     0.997
_reflns_number_gt                3470
_reflns_number_total             3748
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            41467_2017_787_MOESM10_ESM.cif
_cod_data_source_block           i16636
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1547710