Aluminum and Zinc Complexes Based on an Amino-Bis(pyrazolyl) Ligand: Synthesis, Structures, and Use in MMA and Lactide Polymerization
Bing Lian; Christophe M. Thomas; Osvaldo L. Casagrande; Christian W. Lehmann; Thierry Roisnel; Jean-François Carpentier; Inorganic Chemistry 46 (2007) 328–340; doi:10.1021/ic061749z

data_4307208
_publ_section_title
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Aluminum and Zinc Complexes Based on an Amino-Bis(pyrazolyl) Ligand:
Synthesis, Structures, and Use in MMA and Lactide Polymerization
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              328
_journal_page_last               340
_journal_paper_doi               10.1021/ic061749z
_journal_volume                  46
_journal_year                    2007
_chemical_compound_source        pentane
_chemical_formula_moiety         'C16 H28 Al N5'
_chemical_formula_sum            'C16 H28 Al N5'
_chemical_formula_weight         317.41
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 94.8040(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.0200(3)
_cell_length_b                   9.5441(2)
_cell_length_c                   14.5474(3)
_cell_measurement_reflns_used    21307
_cell_measurement_temperature    100
_cell_measurement_theta_max      31.00
_cell_measurement_theta_min      2.91
_cell_volume                     1801.37(7)
_computing_cell_refinement       'Denzo / Scalepack (Otwinowski 1997)'
_computing_data_collection       'Collect software (Nonius, 1998)'
_computing_data_reduction        'Denzo / Scalepack (Otwinowski 1997)'
_computing_molecular_graphics    'DIAMOND (Crystal Impact GbR, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'CCD \w-scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         '0.3 mm focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0543
_diffrn_reflns_av_sigmaI/netI    0.0284
_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       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            48457
_diffrn_reflns_theta_full        27.75
_diffrn_reflns_theta_max         31.02
_diffrn_reflns_theta_min         2.94
_diffrn_standards_decay_%        0.00
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.117
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  1
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Scalepack, Otwinowski (1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.170
_exptl_crystal_density_method    none
_exptl_crystal_description       block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.378
_refine_diff_density_min         -0.321
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     205
_refine_ls_number_reflns         5746
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0587
_refine_ls_R_factor_gt           0.0461
_refine_ls_shift/su_max          0.040
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0496P)^2^+1.0167P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1073
_refine_ls_wR_factor_ref         0.1140
_reflns_number_gt                4854
_reflns_number_total             5746
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic061749zsi20060914_055238_2.cif
_cod_data_source_block           complex_4
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_angle_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (37
times).

'_geom_angle_publ_flag' value 'N' changed to 'n' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (60
times).

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (24
times).

'_geom_bond_publ_flag' value 'N' changed to 'n' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (28 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4307208