β-Diketiminato Calcium and Magnesium Amides; Model Complexes for Hydroamination Catalysis
Anthony G. M. Barrett; Ian J. Casely; Mark R. Crimmin; Michael S. Hill; Jennifer R. Lachs; Mary F. Mahon; Panayiotis A. Procopiou; Inorganic Chemistry 48 (2009) 4445–4453; doi:10.1021/ic900091x

data_4302125
_publ_section_title
;
\b-Diketiminato Calcium and Magnesium Amides; Model Complexes for
Hydroamination Catalysis
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4445
_journal_page_last               4453
_journal_paper_doi               10.1021/ic900091x
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C35.5 H53 Mg N3'
_chemical_formula_weight         546.12
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 114.064(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   19.1971(3)
_cell_length_b                   21.1259(4)
_cell_length_c                   17.7461(3)
_cell_measurement_reflns_used    45040
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      2.910
_cell_volume                     6571.5(2)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'Denzo & Scalepack (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEX (P.McArdle, 1995)'
_computing_publication_material  'SHELXL-97/2 (Sheldrick,1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  '95mm CCD camera on \k-goniostat'
_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  0.0859
_diffrn_reflns_av_sigmaI/netI    0.0466
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            72227
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.91
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 ?
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.104
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2392
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.784
_refine_diff_density_min         -0.438
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     368
_refine_ls_number_reflns         7534
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.1147
_refine_ls_R_factor_gt           0.0740
_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^)+(0.1105P)^2^+14.2044P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1984
_refine_ls_wR_factor_ref         0.2312
_reflns_number_gt                5075
_reflns_number_total             7534
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900091x_si_001_2.cif
_cod_data_source_block           k08msh25
_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 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-Scan' changed
to 'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C35.50 H53 Mg N3'
_cod_database_code               4302125