Cyclic Interconversion among Molecular Salts via Neat Grinding and Related Photoluminescence Properties
Liu, Hong-liang; Xie, Yi-Fei; Pan, Zhi-gang; Famulari, Antonino; Guo, Fang; Zhou, Zhongfu; Martí-Rujas, Javier; Crystal Growth & Design 14 (2014) 6528–; doi:10.1021/cg5014329

data_4512374
_publ_section_title
;
 Cyclic Interconversion among Molecular Salts via Neat Grinding and
 Related Photoluminescence Properties
;
_journal_issue                   12
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              6528
_journal_paper_doi               10.1021/cg5014329
_journal_volume                  14
_journal_year                    2014
_chemical_absolute_configuration rm
_chemical_formula_sum            'C20 H22 N2 O7 S'
_chemical_formula_weight         434.46
_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                 96.294(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.1214(12)
_cell_length_b                   17.328(3)
_cell_length_c                   19.009(4)
_cell_measurement_reflns_used    1762
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20.41
_cell_measurement_theta_min      2.35
_cell_volume                     2004.2(7)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'XP in SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0443
_diffrn_reflns_av_sigmaI/netI    0.0588
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            12456
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.16
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 240
_diffrn_standards_interval_time  '60 min'
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.208
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.88
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2004)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.440
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.228
_exptl_crystal_size_mid          0.041
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.274
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.052
_refine_ls_extinction_coef       0.0074(10)
_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   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     304
_refine_ls_number_reflns         4561
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0885
_refine_ls_R_factor_gt           0.0470
_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^)+(0.0484P)^2^+0.1480P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1043
_refine_ls_wR_factor_ref         0.1238
_reflns_number_gt                2748
_reflns_number_total             4561
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg5014329_si_003.cif
_cod_data_source_block           gf5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/ACS/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 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 4512374--4512376.cif.
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_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4512374