Two New Receptors for Carboxylate Anions with an IR-Active Reporting Group
Tian, Xiaohui; Song, Li; Yuan, Yizhong; Lin, Jiaping; Organometallics 29 (2010) 509–; doi:10.1021/om9008263

data_4067305
_publ_section_title
;
 Two New Receptors for Carboxylate Anions with an IR-Active Reporting
 Group
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              509
_journal_paper_doi               10.1021/om9008263
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C18 H18 Cr N2 O5'
_chemical_formula_weight         394.34
_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           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.866(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.4093(18)
_cell_length_b                   6.9993(6)
_cell_length_c                   13.6169(12)
_cell_measurement_reflns_used    4847
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      56.478
_cell_measurement_theta_min      4.961
_cell_volume                     1843.2(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0756
_diffrn_reflns_av_sigmaI/netI    0.0569
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10421
_diffrn_reflns_theta_full        26.99
_diffrn_reflns_theta_max         26.99
_diffrn_reflns_theta_min         2.11
_exptl_absorpt_coefficient_mu    0.651
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.75277
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.421
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.397
_exptl_crystal_size_mid          0.365
_exptl_crystal_size_min          0.181
_refine_diff_density_max         0.658
_refine_diff_density_min         -0.431
_refine_diff_density_rms         0.066
_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   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     249
_refine_ls_number_reflns         3998
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0556
_refine_ls_R_factor_gt           0.0502
_refine_ls_shift/su_max          0.040
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0833P)^2^+0.3327P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1376
_refine_ls_wR_factor_ref         0.1423
_reflns_number_gt                3545
_reflns_number_total             3998
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om9008263_si_002.cif
_cod_data_source_block           cd28151
_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 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4067305