Novel hybrid aluminium(iii)-catalen complexes as highly active catalysts for lactide polymerisation: towards industrial relevance.
Payne, Jack; McKeown, Paul; Kociok-Köhn, Gabriele; Jones, Matthew D.; Chemical communications (Cambridge, England) 56 (2020) 7163–7166; doi:10.1039/d0cc02733b

data_7126603
_publ_section_title
;
 Novel hybrid aluminium(iii)-catalen complexes as highly active catalysts
 for lactide polymerisation: towards industrial relevance.
;
_journal_issue                   52
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              7163
_journal_page_last               7166
_journal_paper_doi               10.1039/d0cc02733b
_journal_volume                  56
_journal_year                    2020
_chemical_formula_sum            'C32 H49 Al N2 O3'
_chemical_formula_weight         536.71
_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-2017/1
_audit_update_record
;
2020-04-14 deposited with the CCDC.	2020-05-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.719(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_b                   14.4299(9)
_cell_length_c                   18.0897(11)
_cell_measurement_reflns_used    2709
_cell_measurement_temperature    150(2)
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_cell_measurement_theta_min      4.6830
_cell_volume                     3257.5(4)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41 (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-2014/8 (Sheldrick, 2014)
 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 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, EosS2'
_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  0.0626
_diffrn_reflns_av_unetI/netI     0.0847
_diffrn_reflns_Laue_measured_fraction_full 0.978
_diffrn_reflns_Laue_measured_fraction_max 0.978
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            10718
_diffrn_reflns_point_group_measured_fraction_full 0.978
_diffrn_reflns_point_group_measured_fraction_max 0.978
_diffrn_reflns_theta_full        66.600
_diffrn_reflns_theta_max         66.600
_diffrn_reflns_theta_min         3.542
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.784
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.73524
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.57a (Rigaku Oxford Diffraction, 2019)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.094
_exptl_crystal_description       cube
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.581
_refine_diff_density_min         -0.461
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     372
_refine_ls_number_reflns         5621
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.1502
_refine_ls_R_factor_gt           0.0925
_refine_ls_shift/su_max          0.031
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0703P)^2^+10.5144P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2158
_refine_ls_wR_factor_ref         0.2491
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3382
_reflns_number_total             5621
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cc02733b2.cif
_cod_data_source_block           Al1OMe2
_cod_depositor_comments
'Adding full bibliography for 7126600--7126604.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7126603
_shelx_shelxl_version_number     2017/1
_oxdiff_exptl_absorpt_empirical_full_min 0.695
_oxdiff_exptl_absorpt_empirical_full_max 1.559
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              22695
_shelx_hkl_checksum              8914