Synthesis of Pyridine-Alkoxide Ligands for Formation of Polynuclear Complexes
Shopov, Dimitar Yavorov; Sharninghausen, Liam; Sinha, Shashi Bhushan; Borowski, Julia; Mercado, Brandon; Brudvig, Gary; Crabtree, Robert H.; New J. Chem. 41 (2017) 6709–6719; doi:10.1039/C7NJ01845B

data_7056306
_publ_section_title
;
 Synthesis of Pyridine-Alkoxide Ligands for Formation of Polynuclear
 Complexes
;
_journal_issue                   14
_journal_name_full               'New J. Chem.'
_journal_page_first              6709
_journal_page_last               6719
_journal_paper_doi               10.1039/C7NJ01845B
_journal_volume                  41
_journal_year                    2017
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C30 H32 Cu2 N4 O4'
_chemical_formula_sum            'C30 H32 Cu2 N4 O4'
_chemical_formula_weight         639.67
_space_group_crystal_system      orthorhombic
_space_group_IT_number           20
_space_group_name_Hall           'C 2c 2'
_space_group_name_H-M_alt        'C 2 2 21'
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     SHELXT
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-01-24 deposited with the CCDC.
2017-06-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.7305(7)
_cell_length_b                   20.3710(14)
_cell_length_c                   15.4532(11)
_cell_measurement_reflns_used    358
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      68.3
_cell_measurement_theta_min      2.9
_cell_volume                     3063.1(4)
_computing_cell_refinement
'CrystalClear-SM Expert 2.0 r15 (Rigaku, 2011)'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r15 (Rigaku, 2011)'
_computing_data_reduction
'CrystalClear-SM Expert 2.0 r15 (Rigaku, 2011)'
_computing_molecular_graphics
; 
Dolomanov, O.V.; Bourhis, L.J.; Gildea, R.J.; Howard, J.A.K.; Puschmann, H., 
OLEX2: A complete structure solution, refinement and analysis program 
(2009). J. Appl. Cryst., 42, 339-341. 
;
_computing_publication_material  'CIFTAB-2014/2 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT-2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      93(2)
_diffrn_detector_area_resol_mean 22.2
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku Saturn 944+ CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0380
_diffrn_reflns_av_unetI/netI     0.0107
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            53512
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         67.898
_diffrn_reflns_theta_min         4.341
_diffrn_source                   'microfocus rotating anode'
_exptl_absorpt_coefficient_mu    2.033
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.861
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            Purple
_exptl_crystal_density_diffrn    1.387
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1320
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.231
_refine_diff_density_min         -0.320
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details
; 
 Refined as an inversion twin. 
;
_refine_ls_abs_structure_Flack   0.37(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         2783
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0222
_refine_ls_R_factor_gt           0.0216
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0389P)^2^+2.2192P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0594
_refine_ls_wR_factor_ref         0.0597
_reflns_Friedel_coverage         0.769
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                2707
_reflns_number_total             2783
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7nj01845b2.cif
_cod_data_source_block           007-16215
_cod_database_code               7056306
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.687
_shelx_estimated_absorpt_t_max   0.905
_shelx_res_checksum              96451
_shelx_fab_checksum              74872