Photocrystallographic and spectroscopic studies of a model (N,N,O)-donor square-planar nickel(II) nitro complex: in search of high-conversion and stable photoswitchable materials
Kutniewska, Sylwia E.; Krówczyński, Adam; Kamiński, Radosław; Jarzembska, Katarzyna N.; Pillet, Sébastien; Wenger, Emmanuel; Schaniel, Dominik; IUCrJ 7 (2020) –; doi:10.1107/S205225252001307X

data_1559425
_publ_section_title
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 Photocrystallographic and spectroscopic studies of a model (N,N,O)-donor
 square-planar nickel(II) nitro complex: in search of high-conversion and
 stable photoswitchable materials
;
_journal_issue                   6
_journal_name_full               IUCrJ
_journal_page_first
;
;
_journal_paper_doi               10.1107/S205225252001307X
_journal_volume                  7
_journal_year                    2020
_chemical_formula_moiety         'C20 H15 N3 Ni O3'
_chemical_formula_sum            'C20 H15 N3 Ni O3'
_chemical_formula_weight         404.04
_space_group_IT_number           88
_space_group_name_Hall           '-I 4ad'
_space_group_name_H-M_alt        'I 41/a :2'
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      88
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   14.8206(7)
_cell_length_b                   14.8206(7)
_cell_length_c                   29.8617(14)
_cell_measurement_reflns_used    4953
_cell_measurement_temperature    160.00
_cell_measurement_theta_max      64.17
_cell_measurement_theta_min      10.32
_cell_volume                     6559.1(5)
_computing_cell_refinement       'CrysAlisPro 1.171.40.55a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.55a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.55a (Rigaku OD, 2019)'
_diffrn_ambient_temperature      160
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.95
_diffrn_measured_fraction_theta_max 0.76
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Cu, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'X-ray tube'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0376
_diffrn_reflns_av_unetI/netI     0.0229
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            8900
_diffrn_reflns_theta_full        32.34
_diffrn_reflns_theta_max         64.39
_diffrn_reflns_theta_min         10.36
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    1.951
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.013
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.55a (Rigaku Oxford Diffraction, 2019)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.6367
_exptl_crystal_description       'prism, cut'
_exptl_crystal_F_000             3328
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.35
_refine_diff_density_min         -0.48
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_gt    2.58
_refine_ls_goodness_of_fit_ref   2.43
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_constraints    78
_refine_ls_number_parameters     259
_refine_ls_number_reflns         2093
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0580
_refine_ls_R_factor_gt           0.0499
_refine_ls_shift/su_max          0.0241
_refine_ls_shift/su_mean         0.0014
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     w=1/(\s^2^(I)+0.0004I^2^)
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.1137
_refine_ls_wR_factor_ref         0.1176
_reflns_number_gt                1772
_reflns_number_total             2093
_reflns_threshold_expression     I>3\s(I)
_cod_data_source_file            lq5032.cif
_cod_data_source_block           160K_irr_160K
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/IUCr/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_cell_volume        6559.1(7)
_cod_original_sg_symbol_H-M      'I 41/a'
_cod_database_code               1559425