Perovskite-Like Polar Lanthanide Formate Frameworks of [NH<sub>2</sub>NH<sub>3</sub>][Ln(HCOO)<sub>4</sub>] (Ln = Tb-Lu and Y): Synthesis, Structures, Magnetism, and Anisotropic Thermal Expansion.
Zhao, Tian-Meng; Chen, Sa; Shang, Ran; Wang, Bing-Wu; Wang, Zhe-Ming; Gao, Song; Inorganic chemistry 55 (2016) 10075–10082; doi:10.1021/acs.inorgchem.6b00952

data_4348086
_publ_section_title
;
 Perovskite-Like Polar Lanthanide Formate Frameworks of
 [NH<sub>2</sub>NH<sub>3</sub>][Ln(HCOO)<sub>4</sub>] (Ln = Tb-Lu and Y):
 Synthesis, Structures, Magnetism, and Anisotropic Thermal Expansion.
;
_journal_issue                   20
_journal_name_full               'Inorganic chemistry'
_journal_page_first              10075
_journal_page_last               10082
_journal_paper_doi               10.1021/acs.inorgchem.6b00952
_journal_volume                  55
_journal_year                    2016
_chemical_formula_sum            'C4 H9 Er N2 O8'
_chemical_formula_weight         380.39
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   difmap
_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                   18.1802(5)
_cell_length_b                   6.5630(2)
_cell_length_c                   7.5566(2)
_cell_measurement_reflns_used    9546
_cell_measurement_temperature    180.0
_cell_measurement_theta_max      30.2330
_cell_measurement_theta_min      3.8610
_cell_volume                     901.63(4)
_computing_cell_refinement       'CrysAlisPro (Agilent Technologies, 2013)'
_computing_data_collection       'CrysAlisPro (Agilent Technologies, 2013)'
_computing_data_reduction        'CrysAlisPro (Agilent Technologies, 2013)'
_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, 1990)'
_diffrn_ambient_temperature      180.0
_diffrn_detector_area_resol_mean 10.3914
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, AtlasCCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0591
_diffrn_reflns_av_sigmaI/netI    0.0325
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            13434
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.51
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    9.339
_exptl_absorpt_correction_T_max  0.785
_exptl_absorpt_correction_T_min  0.016
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
;
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    2.802
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             716
_exptl_crystal_size_max          0.604
_exptl_crystal_size_mid          0.438
_exptl_crystal_size_min          0.090
_refine_diff_density_max         0.837
_refine_diff_density_min         -0.845
_refine_diff_density_rms         0.144
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.036(12)
_refine_ls_extinction_coef       0.0158(4)
_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   1.057
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     144
_refine_ls_number_reflns         2057
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0206
_refine_ls_R_factor_gt           0.0193
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0196P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0423
_refine_ls_wR_factor_ref         0.0430
_reflns_number_gt                1973
_reflns_number_total             2057
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic6b00952_si_002.cif
_cod_data_source_block           Er-NH2NH3-180K
_cod_original_sg_symbol_H-M      'P ca2(1)'
_cod_database_code               4348086