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_7206392
_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            'C4 H8 Er N O8'
_chemical_formula_weight         365.37
_chemical_name_systematic
;
?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 93.8955(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.5447(2)
_cell_length_b                   7.4781(3)
_cell_length_c                   8.7578(3)
_cell_measurement_reflns_used    4357
_cell_measurement_temperature    290
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      3.395
_cell_volume                     427.63(3)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0820
_diffrn_reflns_av_sigmaI/netI    0.0539
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            8297
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.59
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    9.836
_exptl_absorpt_correction_T_max  0.288
_exptl_absorpt_correction_T_min  0.140
_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    2.838
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             342
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.081
_refine_diff_density_min         -1.509
_refine_diff_density_rms         0.165
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.058(17)
_refine_ls_extinction_coef       0.058(2)
_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   0.997
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         1959
_refine_ls_number_restraints     11
_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.0299
_refine_ls_R_factor_gt           0.0259
_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^)+(0.0235P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0532
_refine_ls_wR_factor_ref         0.0541
_reflns_number_gt                1806
_reflns_number_total             1959
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce05250k.txt
_cod_data_source_block           1
_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 

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)'
_cod_database_code               7206392