Aggregate of alkoxy-bridged Re(I)-rectangles as a probe for photoluminescence quenching.
Thanasekaran, P.; Wu, Jing-Yun; Manimaran, Bala; Rajendran, T.; Chang, I-Jy; Rajagopal, S.; Lee, Gene-Hsiang; Peng, Shie-Ming; Lu, Kuang-Lieh; The journal of physical chemistry. A 111 (2007) 10953–10960; doi:10.1021/jp0742315

data_1505093
_publ_section_title
;
 Aggregate of alkoxy-bridged Re(I)-rectangles as a probe for
 photoluminescence quenching.
;
_journal_issue                   43
_journal_name_full               'The journal of physical chemistry. A'
_journal_page_first              10953
_journal_page_last               10960
_journal_paper_doi               10.1021/jp0742315
_journal_volume                  111
_journal_year                    2007
_chemical_formula_sum            'C48 H52 N4 O16 Re4'
_chemical_formula_weight         1685.74
_chemical_name_systematic
;
  ?
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 93.90(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.2803(19)
_cell_length_b                   18.613(2)
_cell_length_c                   15.189(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      13.53
_cell_measurement_theta_min      8.86
_cell_volume                     2617.6(7)
_computing_cell_refinement       'NONIUS CAD4'
_computing_data_collection       'NONIUS CAD4'
_computing_data_reduction        'NRCSDP DATRD2'
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  'Siemens SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_method       '\w--2\q scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            4602
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.73
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    9.290
_exptl_absorpt_correction_T_max  0.2648
_exptl_absorpt_correction_T_min  0.1887
_exptl_absorpt_correction_type   'empirical used psi-scan'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.139
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1592
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.937
_refine_diff_density_min         -1.054
_refine_diff_density_rms         0.153
_refine_ls_extinction_coef       0.00012(3)
_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   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         4602
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0627
_refine_ls_R_factor_gt           0.0307
_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^)+(0.0315P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0712
_refine_ls_wR_factor_ref         0.0786
_reflns_number_gt                3162
_reflns_number_total             4602
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jp0742315si20070531_101834.cif
_cod_data_source_block           ic6769
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not_measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1505093