Salan group 13 complexes – structural study and lactide polymerisation
Beament, James; Mahon, Mary F.; Buchard, Antoine; Jones, Matthew D.; New J. Chem. 41 (2017) 2198–; doi:10.1039/C6NJ03844A

data_7055995
_publ_section_title
;
 Salan group 13 complexes -- structural study and lactide polymerisation
;
_journal_issue                   5
_journal_name_full               'New J. Chem.'
_journal_page_first              2198
_journal_paper_doi               10.1039/C6NJ03844A
_journal_volume                  41
_journal_year                    2017
_chemical_formula_sum            'C38.5 H64.5 Al Cl N2 O2'
_chemical_formula_weight         649.85
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-10-18 deposited with the CCDC.
2017-02-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.820(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   33.7559(5)
_cell_length_b                   13.9577(2)
_cell_length_c                   17.7422(3)
_cell_measurement_reflns_used    37246
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      73.3300
_cell_measurement_theta_min      3.4280
_cell_volume                     8150.9(2)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (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_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.1150
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0413
_diffrn_reflns_av_unetI/netI     0.0161
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -41
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            82822
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         73.379
_diffrn_reflns_theta_min         3.439
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    1.268
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.76407
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.059
_exptl_crystal_description       block
_exptl_crystal_F_000             2844
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.050
_refine_diff_density_max         1.402
_refine_diff_density_min         -0.496
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     487
_refine_ls_number_reflns         8175
_refine_ls_number_restraints     75
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.0768
_refine_ls_R_factor_gt           0.0746
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1203P)^2^+19.1984P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2122
_refine_ls_wR_factor_ref         0.2142
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7660
_reflns_number_total             8175
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6nj03844a2.cif
_cod_data_source_block           Al_2_Cl
_cod_depositor_comments
'Adding full bibliography for 7055992--7055999.cif.'
_cod_original_formula_sum        'C38.50 H64.50 Al Cl N2 O2'
_cod_database_code               7055995
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.833
_shelx_estimated_absorpt_t_max   0.939
_shelx_res_checksum              77785