Cation-Induced Strategy toward an Hourglass-Shaped Cu6I7‒ Cluster and Its Color-Tunable Luminescence
Yu, Muxin; Chen, Lian; Jiang, Feilong; Zhou, Kang; Liu, Caiping; Sun, Cai; Li, Xingjun; Yang, Yan; Hong, Maochun; Chemistry of Materials 29 (2017) 8093–; doi:10.1021/acs.chemmater.7b01790

data_4002861
_publ_section_title
;
 Cation-Induced Strategy toward an Hourglass-Shaped Cu6I7-- Cluster and
 Its Color-Tunable Luminescence
;
_journal_issue                   19
_journal_name_full               'Chemistry of Materials'
_journal_page_first              8093
_journal_paper_doi               10.1021/acs.chemmater.7b01790
_journal_volume                  29
_journal_year                    2017
_chemical_formula_sum            'C30 H30 Cu6 I7 Li N12 O8 P2'
_chemical_formula_weight         2025.08
_space_group_crystal_system      trigonal
_space_group_IT_number           167
_space_group_name_Hall           '-R 3 2"c'
_space_group_name_H-M_alt        'R -3 c :H'
_symmetry_space_group_name_Hall  '-R 3 2"c'
_symmetry_space_group_name_H-M   'R -3 c :H'
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_cell_length_b                   14.4114(5)
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_computing_structure_refinement  'SHELXL-2016/4 (Sheldrick, 2016)'
_diffrn_ambient_temperature      100(2)
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_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0586
_diffrn_reflns_av_unetI/netI     0.0410
_diffrn_reflns_Laue_measured_fraction_full 0.999
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_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -18
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_diffrn_reflns_limit_l_min       -51
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_diffrn_reflns_point_group_measured_fraction_full 0.999
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_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         76.564
_diffrn_reflns_theta_min         4.013
_diffrn_source                   'sealed X-ray tube'
_exptl_absorpt_coefficient_mu    33.653
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.28649
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.394
_exptl_crystal_description       block
_exptl_crystal_F_000             5616
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         2.421
_refine_diff_density_min         -1.037
_refine_diff_density_rms         0.226
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     100
_refine_ls_number_reflns         1952
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0509
_refine_ls_R_factor_gt           0.0442
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0756P)^2^+84.7707P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1157
_refine_ls_wR_factor_ref         0.1226
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1708
_reflns_number_total             1952
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cm7b01790_si_003.cif
_cod_data_source_block           1-Li
_cod_depositor_comments
'Adding full bibliography for 4002860--4002865.cif.'
_cod_original_cell_volume        8428.0(7)
_cod_database_code               4002861
_shelx_shelxl_version_number     2016/4
_shelx_res_checksum              77129
_shelx_hkl_checksum              27828