A new class of luminescent Cu(i) complexes with tripodal ligands - TADF emitters for the yellow to red color range.
Gneuß, Timo; Leitl, Markus J.; Finger, Lars H.; Rau, Nicholas; Yersin, Hartmut; Sundermeyer, Jörg; Dalton transactions (Cambridge, England : 2003) 44 (2015) 8506–8520; doi:10.1039/c4dt02631d

data_7033293
_publ_section_title
;
 A new class of luminescent Cu(i) complexes with tripodal ligands - TADF
 emitters for the yellow to red color range.
;
_journal_issue                   18
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8506
_journal_page_last               8520
_journal_paper_doi               10.1039/c4dt02631d
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C15 H12 As1 Cu1 I1 N3 O1, 0.75 (C2 H3 N)'
_chemical_formula_sum            'C16.5 H14.25 As Cu I N3.75 O'
_chemical_formula_weight         546.43
_chemical_name_common            'C8; CuItpyaso'
_chemical_name_systematic
; 
Iodo tris(2-pyridyl)arsineoxide copper(I)
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 105.559(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   8.7081(4)
_cell_length_b                   29.7666(14)
_cell_length_c                   14.5936(9)
_cell_measurement_reflns_used    16373
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.22
_cell_measurement_theta_min      2.52
_cell_volume                     3644.2(3)
_computing_cell_refinement
;
Stoe & Cie: X-AREA v1.56, Stoe & Cie GmbH, Darmstadt, Germany, 2011
;
_computing_data_collection
;
Stoe & Cie: X-AREA v1.56, Stoe & Cie GmbH, Darmstadt, Germany, 2011
;
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics
;
K. Brandenburg, H. Putz: 
Diamond - Crystal and Molecular Structure Visualization v3.2i, 
Crystal Impact GbR, Bonn, Germany, 2012
;
_computing_publication_material
;
WinGX publication routines (L. Farrugia, 
J. Appl. Crystallogr. 1999, 32, 837-838.)
;
_computing_structure_refinement
;
SHELXL-2014 (G. Sheldrick, Acta Cryst. A 2008, 64, 112-122)
;
_computing_structure_solution
;
SIR97 (A. Altomare, M. C. Burla, M. Camalli, G. Cascarano, C. Giacovazzo, 
A. Guagliardi, A. G. G. Moliterni, G. Polidori, R. Spagna, 
J. Appl. Crystallogr. 1999, 32, 115-119.)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_unetI/netI     0.1421
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.979
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            35607
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.979
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         27.167
_diffrn_reflns_theta_min         1.368
_diffrn_source
;
sealed X-ray tube, 12 x 0.4 mm long-fine focus
;
_exptl_absorpt_coefficient_mu    4.705
_exptl_absorpt_correction_T_max  0.8350
_exptl_absorpt_correction_T_min  0.5068
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
HKLF5 Absorption correction, STOE X-Red32(TwinAbs) 1.47 
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.992
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2100
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetonitrile'
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.050
_exptl_crystal_size_min          0.040
_refine_diff_density_max         2.330
_refine_diff_density_min         -1.379
_refine_diff_density_rms         0.167
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.764
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     454
_refine_ls_number_reflns         35607
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.764
_refine_ls_R_factor_all          0.1118
_refine_ls_R_factor_gt           0.0580
_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^)+(0.0786P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1315
_refine_ls_wR_factor_ref         0.1465
_reflns_Friedel_coverage         0.000
_reflns_number_gt                16911
_reflns_number_total             35607
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4dt02631d2.cif
_cod_data_source_block           tgv58
_cod_depositor_comments
'Adding full bibliography for 7033286--7033295.cif.'
_cod_original_formula_sum        'C16.50 H14.25 As Cu I N3.75 O'
_cod_database_code               7033293
_audit_contact_author            'Joerg Sundermeyer'
_shelx_estimated_absorpt_t_min   0.352
_shelx_estimated_absorpt_t_max   0.834
_shelxl_version_number           2014-3
_shelx_res_checksum              24829