NCN Trianionic Pincer Ligand Precursors: Synthesis of Bimetallic, Chelating Diamide, and Pincer Group IV Complexes
Soumya Sarkar; Kevin P. McGowan; Jeffrey A. Culver; Adam R. Carlson; Jürgen Koller; Andrew J. Peloquin; Melanie K. Veige; Khalil A. Abboud; Adam S. Veige; Inorganic Chemistry 49 (2010) 5143–5156; doi:10.1021/ic100232s

data_4315609
_publ_section_title
;
 NCN Trianionic Pincer Ligand Precursors: Synthesis of Bimetallic,
 Chelating Diamide, and Pincer Group IV Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5143
_journal_page_last               5156
_journal_paper_doi               10.1021/ic100232s
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C40 H58 Cl2 Mg2 N2 O2'
_chemical_formula_weight         718.40
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 113.689(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.1942(13)
_cell_length_b                   19.6408(18)
_cell_length_c                   16.2155(15)
_cell_measurement_reflns_used    66
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.0
_cell_volume                     4139.7(7)
_computing_cell_refinement
'Bruker SMART v5.624 & SAINT 6.36a (Bruker 1998)'
_computing_data_collection       'Bruker SMART v5.624 (Bruker 1998)'
_computing_data_reduction        'Bruker SHELXTL v6.14 (Bruker 2000)'
_computing_molecular_graphics    'Bruker SHELXTL v6.14'
_computing_publication_material  'Bruker SHELXTL v6.14'
_computing_structure_refinement  'Bruker SHELXTL v6.14'
_computing_structure_solution    'Bruker SHELXTL v6.14'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'SMART CCD area detector'
_diffrn_measurement_method       '\w scans'
_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  0.1544
_diffrn_reflns_av_sigmaI/netI    0.1377
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            26976
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.62
_diffrn_standards_decay_%        1
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.221
_exptl_absorpt_correction_T_max  0.9907
_exptl_absorpt_correction_T_min  0.9636
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
'based on measured indexed crystal faces, Bruker SHELXTL  v6.14 (Bruker 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.153
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prisms
_exptl_crystal_F_000             1544
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.391
_refine_diff_density_min         -0.415
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     430
_refine_ls_number_reflns         9382
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.1429
_refine_ls_R_factor_gt           0.0669
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0786P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1601
_refine_ls_wR_factor_ref         0.1943
_reflns_number_gt                4900
_reflns_number_total             9382
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic100232s_si_001_06.cif
_cod_data_source_block           kv23
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4315609