A Comparison of Gallium and Indium Alkoxide Complexes as Catalysts for Ring-Opening Polymerization of Lactide.
Kremer, Alexandre B.; Andrews, Ryan J.; Milner, Matthew J.; Zhang, Xu R.; Ebrahimi, Tannaz; Patrick, Brian O.; Diaconescu, Paula L.; Mehrkhodavandi, Parisa; Inorganic chemistry 56 (2017) 1375–1385; doi:10.1021/acs.inorgchem.6b02433

data_4345058
_publ_section_title
;
 A Comparison of Gallium and Indium Alkoxide Complexes as Catalysts for
 Ring-Opening Polymerization of Lactide.
;
_journal_issue                   3
_journal_name_full               'Inorganic chemistry'
_journal_page_first              1375
_journal_page_last               1385
_journal_paper_doi               10.1021/acs.inorgchem.6b02433
_journal_volume                  56
_journal_year                    2017
_chemical_formula_moiety         'C23 H39 Cl2 Ga N2 O'
_chemical_formula_sum            'C23 H39 Cl2 Ga N2 O'
_chemical_formula_weight         500.18
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2015-09-23
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_cell_angle_alpha                90
_cell_angle_beta                 92.392(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.4391(10)
_cell_length_b                   17.9407(16)
_cell_length_c                   12.9885(12)
_cell_measurement_reflns_used    9845
_cell_measurement_temperature    90
_cell_measurement_theta_max      30.02
_cell_measurement_theta_min      2.26
_cell_volume                     2430.4(4)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      90
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'Bruker-Nonius APEXII CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device
'Bruker-Nonius APEXII CCD area detector and D8 diffractometer'
_diffrn_measurement_device_type  'Bruker D8 diffractometer'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'TRIUMPH curved-crystal'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0320
_diffrn_reflns_av_unetI/netI     0.0285
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            28708
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         30.071
_diffrn_reflns_theta_min         1.937
_diffrn_source                   'sealed X-ray tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.369
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.6322
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.0592 before and 0.0448 after correction.
The Ratio of minimum to maximum transmission is 0.8475.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_description       prism
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.502
_refine_diff_density_min         -0.256
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         7133
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0293
_refine_ls_R_factor_gt           0.0239
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0268P)^2^+0.7321P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0577
_refine_ls_wR_factor_ref         0.0597
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6317
_reflns_number_total             7133
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic6b02433_si_002.cif
_cod_data_source_block           pm154
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'multi scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 4345056--4345059.cif.
;
_cod_database_code               4345058
_shelx_estimated_absorpt_t_max   0.726
_shelx_estimated_absorpt_t_min   0.591
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C8(H8), C3(H3)
2.b Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B), C9(H9A,H9B), C6(H6A,H6B), C5(H5A,H5B), C4(H4A,H4B)
2.c Aromatic/amide H refined with riding coordinates:
 C17(H17), C11(H11)
2.d Idealised Me refined as rotating group:
 C23(H23A,H23B,H23C), C22(H22A,H22B,H22C), C21(H21A,H21B,H21C), C2(H2A,H2B,
 H2C), C14(H14A,H14B,H14C), C1(H1A,H1B,H1C), C15(H15A,H15B,H15C), C16(H16A,H16B,
 H16C)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'