Aminopiperidine based complexes for lactide polymerisation.
McKeown, P.; Davidson, M. G.; Lowe, J. P.; Mahon, M. F.; Thomas, L. H.; Woodman, T. J.; Jones, M. D.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 5374–5387; doi:10.1039/c5dt04695e

data_7038464
_publ_section_title
;
 Aminopiperidine based complexes for lactide polymerisation.
;
_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5374
_journal_page_last               5387
_journal_paper_doi               10.1039/c5dt04695e
_journal_volume                  45
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_sum            'C68 H100 Hf I4 N4 O4'
_chemical_formula_weight         1723.60
_space_group_crystal_system      orthorhombic
_space_group_IT_number           43
_space_group_name_Hall           'F 2 -2d'
_space_group_name_H-M_alt        'F d d 2'
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     difmap
_atom_sites_solution_secondary   difmap?
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-10-20 deposited with the CCDC.
2016-02-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   54.9146(5)
_cell_length_b                   35.8227(3)
_cell_length_c                   13.38270(10)
_cell_measurement_reflns_used    33952
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.9710
_cell_measurement_theta_min      3.7000
_cell_volume                     26326.3(4)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    SHELXS
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 16.1468
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'New Xcalibur, EosS2'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0337
_diffrn_reflns_av_unetI/netI     0.0310
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       64
_diffrn_reflns_limit_h_min       -70
_diffrn_reflns_limit_k_max       46
_diffrn_reflns_limit_k_min       -46
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            51826
_diffrn_reflns_point_group_measured_fraction_full 0.980
_diffrn_reflns_point_group_measured_fraction_max 0.956
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.483
_diffrn_reflns_theta_min         3.183
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    3.511
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.80243
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.739
_exptl_crystal_description       block
_exptl_crystal_F_000             13632
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.520
_refine_diff_density_min         -0.452
_refine_diff_density_rms         0.062
_refine_ls_abs_structure_details
;
 Flack x determined using 5721 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.007(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.990
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     634
_refine_ls_number_reflns         14439
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.990
_refine_ls_R_factor_all          0.0216
_refine_ls_R_factor_gt           0.0186
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0182P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0374
_refine_ls_wR_factor_ref         0.0377
_reflns_Friedel_coverage         0.847
_reflns_Friedel_fraction_full    0.961
_reflns_Friedel_fraction_max     0.917
_reflns_number_gt                13319
_reflns_number_total             14439
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5dt04695e2.cif
_cod_data_source_block           Hf_3_2
_cod_depositor_comments
'Adding full bibliography for 7038454--7038468.cif.'
_cod_database_code               7038464
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.419
_shelx_estimated_absorpt_t_max   0.540
_shelx_res_checksum              68426
_shelx_fab_checksum              65483