Excavations in molecular crystals
Le Fur, Erwan; Demers, Eric; Maris, Thierry; Wuest, James D.; Chemical Communications (Cambridge, United Kingdom)  (2003) 2966–2967; doi:10.1039/b308355a

data_7113594
_publ_section_title
;
 Excavations in molecular crystals
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   24
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              2966
_journal_page_last               2967
_journal_paper_doi               10.1039/b308355a
_journal_year                    2003
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety         'C53 H60 N24 O8'
_chemical_formula_sum            'C53 H60 N24 O8'
_chemical_formula_weight         1161.25
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.6644(3)
_cell_length_b                   25.6644(3)
_cell_length_c                   12.2028(3)
_cell_measurement_reflns_used    7775
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      71.79
_cell_measurement_theta_min      3.44
_cell_volume                     8037.5(2)
_computing_cell_refinement       'SMART (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'XP (Bruker, 1999)'
_computing_publication_material  'UdMX (local program)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 5.5
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker AXS Smart 2K/Platform'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Sealed Tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.055
_diffrn_reflns_av_sigmaI/netI    0.0810
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            32725
_diffrn_reflns_theta_full        72.95
_diffrn_reflns_theta_max         72.95
_diffrn_reflns_theta_min         3.44
_diffrn_standards_decay_%        0.04
_diffrn_standards_number         264
_exptl_absorpt_coefficient_mu    0.567
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.3300
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick,1996)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    0.960
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2440
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.202
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         3976
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.1568
_refine_ls_R_factor_gt           0.0824
_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^)+(0.0995P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1885
_refine_ls_wR_factor_ref         0.2306
_reflns_number_gt                2230
_reflns_number_total             3976
_reflns_threshold_expression     >2\s(I)
_cod_duplicate_entry             7103904
_cod_data_source_file            b308355a.txt
_cod_data_source_block           jiw249
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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.

'_geom_bond_publ_flag' value 'Y' changed to 'y'
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 (26
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' 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 (36
times).

'_geom_torsion_publ_flag' value 'Y' changed to 'y' 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 (39
times).

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      I41/a
_cod_database_code               7113594