Isolation of first row transition metal‒carboxylate zwitterions
Armaghan, Mahsa; Lu, Wei-Yu; Wu, Di; Wei, Yao; Yuan, Feng-Ling; Weng, Ng Seik; MOHHAMADPOUR AMINI, MOSTAFA; Zhang, Wen-Hua; Young, David James; Hor, Andy; Lang, Jian-Ping; RSC Adv.  (2015) –; doi:10.1039/C5RA05564D

data_7220239
_publ_section_title
;
 Isolation of first row transition metal--carboxylate zwitterions
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA05564D
_journal_year                    2015
_chemical_formula_moiety         'C14 H16 N2 Ni O8'
_chemical_formula_sum            'C14 H16 N2 Ni O8'
_chemical_formula_weight         399.00
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-07-10 deposited with the CCDC.
2015-05-07 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.1353(4)
_cell_length_b                   13.2866(8)
_cell_length_c                   16.8095(10)
_cell_measurement_reflns_used    9900
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      42.90
_cell_measurement_theta_min      3.066
_cell_volume                     1593.61(16)
_computing_cell_refinement       'ApexII (Bruker, 2011)'
_computing_data_collection       'ApexII (Bruker, 2011)'
_computing_data_reduction        'ApexII (Bruker, 2011)'
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 2008)'
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker ApexII'
_diffrn_measurement_method       'phi and omega 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  0.0309
_diffrn_reflns_av_sigmaI/netI    0.0178
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            45407
_diffrn_reflns_theta_full        40.25
_diffrn_reflns_theta_max         40.25
_diffrn_reflns_theta_min         2.42
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.265
_exptl_absorpt_correction_T_max  0.9280
_exptl_absorpt_correction_T_min  0.7427
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, (Sheldrick 2008)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.663
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.605
_refine_diff_density_min         -0.495
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         5008
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0322
_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^)+(0.0411P)^2^+0.4543P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0841
_refine_ls_wR_factor_ref         0.0947
_reflns_number_gt                3552
_reflns_number_total             5008
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra05564d2.cif
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7220239