Solution, structural and photophysical aspects of substituent effects in the N^N ligand in [Ir(C^N)2(N^N)]+ complexes.
Constable, Edwin C.; Housecroft, Catherine E.; Kopecky, Peter; Martin, Colin J.; Wright, Iain A.; Zampese, Jennifer A.; Bolink, Henk J.; Pertegas, Antonio; Dalton transactions (Cambridge, England : 2003) 42 (2013) 8086–8103; doi:10.1039/c3dt50492a

data_7023006
_publ_section_title
;
 Solution, structural and photophysical aspects of substituent effects in
 the N^N ligand in [Ir(C^N)2(N^N)]+ complexes.
;
_journal_issue                   22
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8086
_journal_page_last               8103
_journal_paper_doi               10.1039/c3dt50492a
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C22 H14 N4 O4'
_chemical_formula_sum            'C22 H14 N4 O4'
_chemical_formula_weight         398.37
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.79(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.196(8)
_cell_length_b                   7.0193(16)
_cell_length_c                   13.309(6)
_cell_measurement_reflns_used    3663
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      61.23
_cell_measurement_theta_min      6.00
_cell_volume                     1806.3(12)
_computing_cell_refinement       'Stoe IPDS'
_computing_data_collection       'Stoe IPDS'
_computing_data_reduction        'Stoe IPDS'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       '\w 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  0.1149
_diffrn_reflns_av_unetI/netI     0.0558
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            17964
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.11
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.9958
_exptl_absorpt_correction_T_min  0.9795
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Blessing 1951)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.465
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.404
_refine_diff_density_min         -0.329
_refine_diff_density_rms         0.086
_refine_ls_extinction_coef       0.019(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         3189
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.1260
_refine_ls_R_factor_gt           0.1076
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1259P)^2^+10.8580P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3112
_refine_ls_wR_factor_ref         0.3266
_reflns_number_gt                2573
_reflns_number_total             3189
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt50492a.txt
_cod_data_source_block           pkb247
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        1806.3(11)
_cod_original_sg_symbol_Hall     -P2ybc
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7023006