Divergent Catalytic Strategies for the <i>Cis</i>/<i>Trans</i> Stereoselective Ring-Opening Polymerization of a Dual Cyclic Carbonate/Olefin Monomer.
McGuire, Thomas M.; Pérale, Cécile; Castaing, Rémi; Kociok-Köhn, Gabriele; Buchard, Antoine; Journal of the American Chemical Society 141 (2019) 13301–13305; doi:10.1021/jacs.9b06259

data_4128920
_publ_section_title
;
 Divergent Catalytic Strategies for the <i>Cis</i>/<i>Trans</i>
 Stereoselective Ring-Opening Polymerization of a Dual Cyclic
 Carbonate/Olefin Monomer.
;
_journal_issue                   34
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13301
_journal_page_last               13305
_journal_paper_doi               10.1021/jacs.9b06259
_journal_volume                  141
_journal_year                    2019
_chemical_formula_moiety         'C5 H6 O3'
_chemical_formula_sum            'C5 H6 O3'
_chemical_formula_weight         114.10
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 104.026(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.1911(5)
_cell_length_b                   7.1290(4)
_cell_length_c                   12.2554(8)
_cell_measurement_reflns_used    2516
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      71.6620
_cell_measurement_theta_min      7.1490
_cell_volume                     524.78(6)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2015)'
_computing_molecular_graphics
'ORTEP3 for Windows - Farrugia, L. J. J. Appl. Crystallogr. 1997, 30, 565'
_computing_publication_material
;
 'WinGX publication routines, Farrugia, 
 L. J., J. Appl. Crystallogr., 1999, 32, 837-838
;
_computing_structure_refinement
;
 SHELXL-2018/3 (Sheldrick, 2018)
 Sheldrick GM (2008) Acta Crystallogr A64:112--122 and 
 C. B. H\"ubschle, G. M. Sheldrick and B. Dittrich
 ShelXle: a Qt graphical user interface for SHELXL
 J. Appl. Cryst., 44, (2011) 1281-1284.
;
_computing_structure_solution
; 
 SHELXT
 Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
;
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.1150
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0248
_diffrn_reflns_av_unetI/netI     0.0161
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4248
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         72.225
_diffrn_reflns_theta_min         7.244
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    1.041
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.717
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Numerical absorption correction based on gaussian integration over
			a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.444
_exptl_crystal_description       plate
_exptl_crystal_F_000             240
_exptl_crystal_size_max          0.386
_exptl_crystal_size_mid          0.191
_exptl_crystal_size_min          0.091
_refine_diff_density_max         0.211
_refine_diff_density_min         -0.163
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     73
_refine_ls_number_reflns         1043
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0373
_refine_ls_R_factor_gt           0.0341
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0559P)^2^+0.1181P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0937
_refine_ls_wR_factor_ref         0.0967
_reflns_Friedel_coverage         0.000
_reflns_number_gt                955
_reflns_number_total             1043
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b06259_si_002.cif
_cod_data_source_block           s18ab8
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4128920
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.689
_shelx_estimated_absorpt_t_max   0.911
_oxdiff_exptl_absorpt_empirical_full_min 0.776
_oxdiff_exptl_absorpt_empirical_full_max 1.576
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              52901
_shelx_hkl_checksum              99078