Synthesis and characterisation of κ2-N,O-oxazoline-enolate complexes of nickel(ii): explorations in coordination chemistry and metal-mediated polymerisation
Adjei, Jeanette A.; Lough, Alan J.; Gossage, Robert A.; RSC Advances 9 (2019) 3956–; doi:10.1039/C8RA10304F

data_7232258
_publ_section_title
;
 Synthesis and characterisation of \k2-N,O-oxazoline-enolate complexes of
 nickel(ii): explorations in coordination chemistry and metal-mediated
 polymerisation
;
_journal_issue                   7
_journal_name_full               'RSC Advances'
_journal_page_first              3956
_journal_paper_doi               10.1039/C8RA10304F
_journal_volume                  9
_journal_year                    2019
_chemical_formula_moiety         'C28 H26 N4 Ni O4'
_chemical_formula_sum            'C28 H26 N4 Ni O4'
_chemical_formula_weight         541.24
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2018-12-12 deposited with the CCDC.
2019-01-10 downloaded from the CCDC.
;
_cell_angle_alpha                103.140(3)
_cell_angle_beta                 94.606(3)
_cell_angle_gamma                98.490(3)
_cell_formula_units_Z            2
_cell_length_a                   6.9179(6)
_cell_length_b                   9.6038(10)
_cell_length_c                   20.210(2)
_cell_measurement_reflns_used    9875
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.28
_cell_measurement_theta_min      2.20
_cell_volume                     1284.2(2)
_computing_cell_refinement       APEX2
_computing_data_collection       'APEX2 (Bruker, 2014)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker Kappa APEX-DUO CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0449
_diffrn_reflns_av_unetI/netI     0.0307
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            52010
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.673
_diffrn_reflns_theta_min         2.084
_diffrn_source                   'sealed tube with Bruker Triumph monochromator'
_exptl_absorpt_coefficient_mu    0.797
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7090
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2014)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.400
_exptl_crystal_description       needle
_exptl_crystal_F_000             564
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.361
_refine_diff_density_min         -0.294
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     338
_refine_ls_number_reflns         5966
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0305
_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^)+(0.0239P)^2^+0.7976P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0640
_refine_ls_wR_factor_ref         0.0692
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4939
_reflns_number_total             5966
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ra10304f2.cif
_cod_data_source_block           d18101_a
_cod_database_code               7232258
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.826
_shelx_estimated_absorpt_t_max   0.961
_shelx_res_checksum              73685