Excimer formation in crystalline and nanostructured coordination polymers.
Chen, Jing; Neels, Antonia; Fromm, Katharina M.; Chemical communications (Cambridge, England) 46 (2010) 8282–8284; doi:10.1039/c0cc03011b

data_7112961
_publ_section_title
;
 Excimer formation in crystalline and nanostructured coordination
 polymers.
;
_journal_issue                   43
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              8282
_journal_page_last               8284
_journal_paper_doi               10.1039/c0cc03011b
_journal_volume                  46
_journal_year                    2010
_chemical_formula_sum            'C28 H20 N2 O4'
_chemical_formula_weight         448.46
_chemical_name_common            L1
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 93.77(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   4.0224(8)
_cell_length_b                   19.576(4)
_cell_length_c                   13.525(3)
_cell_measurement_reflns_used    6372
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.02
_cell_measurement_theta_min      1.83
_cell_volume                     1062.7(4)
_computing_cell_refinement       Xred
_computing_data_collection       Stoe
_computing_data_reduction        Xred
_computing_molecular_graphics    Diamond
_computing_publication_material  Word
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       'Omega Scan'
_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  0.1590
_diffrn_reflns_av_sigmaI/netI    0.0871
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9269
_diffrn_reflns_theta_full        25.61
_diffrn_reflns_theta_max         25.61
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.421
_refine_diff_density_min         -0.511
_refine_diff_density_rms         0.175
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.401
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         1926
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.401
_refine_ls_R_factor_all          0.2098
_refine_ls_R_factor_gt           0.1732
_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^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3722
_refine_ls_wR_factor_ref         0.3933
_reflns_number_gt                1314
_reflns_number_total             1926
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0cc03011b.txt
_cod_data_source_block           c:\L11
_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'Constr' changed to 'constr'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7112961