Aluminium salalen complexes based on 1,2-diaminocyclohexane and their exploitation for the polymerisation of rac-lactide.
Hancock, Stuart L.; Mahon, Mary F.; Jones, Matthew D.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 9279–9285; doi:10.1039/c3dt00021d

data_7022518
_publ_section_title
;
 Aluminium salalen complexes based on 1,2-diaminocyclohexane and their
 exploitation for the polymerisation of rac-lactide.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9279
_journal_page_last               9285
_journal_paper_doi               10.1039/c3dt00021d
_journal_volume                  42
_journal_year                    2013
_chemical_absolute_configuration syn
_chemical_formula_sum            'C44 H73 Al N2 O2'
_chemical_formula_weight         689.02
_chemical_name_systematic
;
?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.574(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   14.159(2)
_cell_length_b                   10.235(4)
_cell_length_c                   14.801(2)
_cell_measurement_reflns_used    24302
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.51
_cell_volume                     2142.8(9)
_computing_cell_refinement       'HKL Scalepack (Otwinski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo & Scalepack (Otwinski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution
;
SIR97- Altomare A., Burla M.C., Camalli M., Cascarano G.L., Giacovazzo C. ,
Guagliardi A., Moliterni A.G.G., Polidori G.,Spagna R.
(1999) J. Appl. Cryst. 32, 115-119.
;
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'nonius kappa ccd'
_diffrn_measurement_method       ccd
_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  0.0612
_diffrn_reflns_av_sigmaI/netI    0.0558
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            38513
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         4.08
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.068
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.317
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     458
_refine_ls_number_reflns         9665
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0691
_refine_ls_R_factor_gt           0.0457
_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^)+(0.0532P)^2^+0.3220P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0993
_refine_ls_wR_factor_ref         0.1097
_reflns_number_gt                7629
_reflns_number_total             9665
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt00021d.txt
_cod_data_source_block           Al(RR-1)Me
_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 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        2142.8(10)
_cod_original_sg_symbol_H-M      P21
_cod_database_code               7022518