Red, orange-red and near-infrared light emitting ternary lanthanide tris β-diketonate complexes with distorted C<sub>4v</sub> geometrical structures.
Ahmed, Zubair; Iftikhar, Khalid; Dalton transactions (Cambridge, England : 2003) 48 (2019) 4973–4986; doi:10.1039/c9dt00198k

data_7049511
_publ_section_title
;
 Red, orange-red and near-infrared light emitting ternary lanthanide tris
 \b-diketonate complexes with distorted C<sub>4v</sub> geometrical
 structures.
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4973
_journal_page_last               4986
_journal_paper_doi               10.1039/c9dt00198k
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C36 H21 F18 N6 O6 Sm'
_chemical_formula_sum            'C36 H21 F18 N6 O6 Sm'
_chemical_formula_weight         1125.94
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_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-97
_audit_update_record
;
2019-01-11 deposited with the CCDC.    2019-03-05 downloaded from the CCDC.
;
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 103.081(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            4
_cell_length_a                   12.014(5)
_cell_length_b                   19.003(5)
_cell_length_c                   19.429(5)
_cell_measurement_reflns_used    6328
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      1.6
_cell_volume                     4321(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker D8 Venture'
_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  0.0260
_diffrn_reflns_av_sigmaI/netI    0.0162
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            53237
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    1.487
_exptl_absorpt_correction_T_max  0.8417
_exptl_absorpt_correction_T_min  0.7968
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.731
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2204
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.174
_refine_diff_density_min         -0.925
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     606
_refine_ls_number_reflns         7615
_refine_ls_number_restraints     78
_refine_ls_restrained_S_all      1.175
_refine_ls_R_factor_all          0.0555
_refine_ls_R_factor_gt           0.0435
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0832P)^2^+4.6766P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1263
_refine_ls_wR_factor_ref         0.1390
_reflns_number_gt                6328
_reflns_number_total             7615
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9dt00198k2.cif
_cod_data_source_block           shelxl_CCDC1
_cod_depositor_comments
'Adding full bibliography for 7049510--7049512.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7049511