Chiral crystalline solids of ammonium-templated ErIII‒formate frameworks assembled from three achiral acentric components
Liu, Bin; Zheng, Hai-Bin; Wang, Zhe-Ming; Gao, Song; CrystEngComm 13 (2011) 5285–; doi:10.1039/c1ce05250k

data_7206396
_publ_section_title
;
 Chiral crystalline solids of ammonium-templated ErIII--formate
 frameworks assembled from three achiral acentric components
;
_journal_issue                   17
_journal_name_full               CrystEngComm
_journal_page_first              5285
_journal_paper_doi               10.1039/c1ce05250k
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C7 H9 Er N2 O8'
_chemical_formula_weight         416.42
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                   6.69730(10)
_cell_length_b                   8.2497(2)
_cell_length_c                   20.3822(6)
_cell_measurement_reflns_used    11330
_cell_measurement_temperature    290
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      3.395
_cell_volume                     1126.13(5)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD (Nonius B. V., 1998)'
_computing_data_reduction
'HKL Denzo (Otwinowski & Minor, 1997) & maXus (Mackay et al., 1998)'
_computing_molecular_graphics    'Bruker SHELXTL V5.1 (Sheldrick, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      290
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'NONIUS KappaCCD'
_diffrn_measurement_method       CCD
_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  0.0668
_diffrn_reflns_av_sigmaI/netI    0.0479
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            16507
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.64
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    7.489
_exptl_absorpt_correction_T_max  0.691
_exptl_absorpt_correction_T_min  0.536
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995, 1997)
;
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    2.456
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             788
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.789
_refine_diff_density_min         -1.265
_refine_diff_density_rms         0.150
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.028(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.924
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2592
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.924
_refine_ls_R_factor_all          0.0415
_refine_ls_R_factor_gt           0.0252
_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^)+(0.0233P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0476
_refine_ls_wR_factor_ref         0.0500
_reflns_number_gt                2004
_reflns_number_total             2592
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce05250k.txt
_cod_data_source_block           5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 

The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'constr.' was replaced with the
value 'constr' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      'P 2(1)2(1)2(1)'
_cod_database_code               7206396