Formation of N2O from a Nickel Nitrosyl: Isolation of the cis-[N2O2]2- Intermediate
Ashley M. Wright; Guang Wu; Trevor W. Hayton; Journal of the American Chemical Society 134 (2012) 9930–9933; doi:10.1021/ja304204q

data_4118108
_publ_section_title
;
 Formation of N2O from a Nickel Nitrosyl: Isolation of the cis-[N2O2]2-
 Intermediate
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9930
_journal_page_last               9933
_journal_paper_doi               10.1021/ja304204q
_journal_volume                  134
_journal_year                    2012
_chemical_formula_sum            'C10 H8 N4 Ni O2'
_chemical_formula_weight         274.91
_chemical_name_systematic
; 
 cis-hyponitrite 2,2-bipridine nickel (II) 
;
_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   constr
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.7015(5)
_cell_length_b                   6.6866(2)
_cell_length_c                   17.7346(5)
_cell_measurement_temperature    100(2)
_cell_volume                     1980.53(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0495
_diffrn_reflns_av_sigmaI/netI    0.0403
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            8366
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         2.44
_exptl_absorpt_coefficient_mu    1.952
_exptl_absorpt_correction_T_max  0.9087
_exptl_absorpt_correction_T_min  0.6962
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.844
_exptl_crystal_description       needle
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.362
_refine_diff_density_min         -0.307
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         1953
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0558
_refine_ls_R_factor_gt           0.0309
_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^)+(0.0326P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0607
_refine_ls_wR_factor_ref         0.0680
_reflns_number_gt                1437
_reflns_number_total             1953
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja304204q_si_001_6.cif
_cod_data_source_block           complex_8
_cod_database_code               4118108