Combining hydrogen bonds with coordination chemistry or organometallic π-arene chemistry: strategies for inorganic crystal engineering †
Brammer, Lee; Rivas, Juan C. Mareque; Atencio, Reinaldo; Fang, Shiyue; Pigge, F. Christopher; Journal of the Chemical Society, Dalton Transactions  (2000) 3855–; doi:10.1039/b004395h

data_7009920
_publ_section_title
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 Combining hydrogen bonds with coordination chemistry or organometallic
 \p-arene chemistry: strategies for inorganic crystal
 engineering&#x200A;&#x2020;
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_journal_issue                   21
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              3855
_journal_paper_doi               10.1039/b004395h
_journal_year                    2000
_chemical_compound_source        synthesis
_chemical_formula_moiety         'C11 H6 O7 Cr, 2(C2 H6 S O2)'
_chemical_formula_sum            'C15 H18 Cr O9 S2'
_chemical_formula_weight         458.41
_chemical_name_systematic
; 
 ? 
;
_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           SHELXTL
_cell_angle_alpha                90.00
_cell_angle_beta                 93.521(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.0183(2)
_cell_length_b                   21.3486(3)
_cell_length_c                   11.8935(1)
_cell_measurement_reflns_used    3081
_cell_measurement_temperature    208(5)
_cell_measurement_theta_max      29.255
_cell_measurement_theta_min      1.91
_cell_volume                     2032.08(6)
_computing_cell_refinement       'SAINT (Siemens, 1994)'
_computing_data_collection       'SMART (Siemens, 1994)'
_computing_data_reduction        'SAINT (Siemens, 1994)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1999)'
_computing_publication_material  'SHELXTL (Bruker, 1999)'
_computing_structure_refinement  'SHELXTL (Bruker, 1999)'
_computing_structure_solution    'SHELXTL (Siemens, 1994)'
_diffrn_ambient_temperature      208(5)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'Siemens SMART'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1621
_diffrn_reflns_av_sigmaI/netI    0.1371
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            17215
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.91
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.811
_exptl_absorpt_correction_T_max  0.9119
_exptl_absorpt_correction_T_min  0.5653
_exptl_absorpt_correction_type   'empirical: SADABS'
_exptl_absorpt_process_details
;
Absorption correction was based upon symmetry equivalent and
repeated intensity measurements using the program SADABS
(Sheldrick, 1995), which is based upon the method of
Blessing (Blessing, 1995).
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.498
_exptl_crystal_density_meas      ?
_exptl_crystal_description       needle
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.506
_refine_diff_density_min         -0.373
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         3580
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.1830
_refine_ls_R_factor_gt           0.0689
_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^)+(0.0800P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1384
_refine_ls_wR_factor_ref         0.1909
_reflns_number_gt                1659
_reflns_number_total             3580
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b004395h.txt
_cod_data_source_block           lee3398
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7009920