MnBr2/18-crown-6 coordination complexes showing high room temperature luminescence and quantum yield.
Hausmann, David; Kuzmanoski, Ana; Feldmann, Claus; Dalton transactions (Cambridge, England : 2003) 45 (2016) 6541–6547; doi:10.1039/c6dt00458j

data_7038558
_publ_section_title
;
 MnBr2/18-crown-6 coordination complexes showing high room temperature
 luminescence and quantum yield.
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6541
_journal_page_last               6547
_journal_paper_doi               10.1039/c6dt00458j
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C24 H48 Br6 Mn3 O12'
_chemical_formula_weight         1172.90
_chemical_name_systematic        Mn3Br6(18-crown-6)2
_space_group_IT_number           14
_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
;
2016-01-22 deposited with the CCDC.
2016-02-24 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 94.28(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.802(3)
_cell_length_b                   10.888(2)
_cell_length_c                   21.772(4)
_cell_measurement_reflns_used    6060
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      29.48
_cell_measurement_theta_min      1.85
_cell_volume                     3971.9(13)
_computing_cell_refinement       'CELL, SELECT (STOE)'
_computing_data_collection       'EXPOSE (STOE)'
_computing_data_reduction        'INTEGRATE (STOE)'
_computing_molecular_graphics    'DIAMOND, Crystal Impact'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'STOE IPDS II'
_diffrn_measurement_method       'image plate'
_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  0.1062
_diffrn_reflns_av_sigmaI/netI    0.0375
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            140538
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    7.04
_exptl_absorpt_correction_T_max  0.3961
_exptl_absorpt_correction_T_min  0.3235
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
'(X-RED, Data Reduction Program, Version 1.14, Stoe & Cie GmbH, Darmstadt 1999.; X-SHAPE, Crystal Optimisation for Numerical Absorption Correction, Version 1.06, Stoe & Cie GmbH, Darmstadt 1999.)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.961
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2292
_exptl_crystal_preparation       Luminescent
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.150
_refine_diff_density_min         -0.661
_refine_diff_density_rms         0.142
_refine_ls_extinction_coef       0.0040(2)
_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   1.092
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     407
_refine_ls_number_reflns         9861
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0779
_refine_ls_R_factor_gt           0.0538
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0846P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1360
_refine_ls_wR_factor_ref         0.1486
_reflns_number_gt                7194
_reflns_number_total             9861
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt00458j2.cif
_cod_data_source_block           added_by_encifer
_cod_depositor_comments
'Adding full bibliography for 7038557--7038559.cif.'
_cod_original_cell_volume        3972.0(14)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7038558