Reactions of Rare Earth Hydrated Nitrates and Oxides with Formamide: Relevant to Recycling Rare Earth Metals
Samarasekere, Pradeep; Wang, Xiqu; Kaveevivitchai, Watchareeya; Jacobson, Allan J.; Crystal Growth & Design 15 (2015) 1119–; doi:10.1021/cg501421u

data_4512639
_publ_section_title
;
 Reactions of Rare Earth Hydrated Nitrates and Oxides with Formamide:
 Relevant to Recycling Rare Earth Metals
;
_journal_issue                   3
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1119
_journal_paper_doi               10.1021/cg501421u
_journal_volume                  15
_journal_year                    2015
_chemical_formula_sum            'C5 H9 N2 O8 Sm'
_chemical_formula_weight         375.49
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 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                   6.76680(10)
_cell_length_b                   18.7189(3)
_cell_length_c                   8.5717(6)
_cell_measurement_temperature    293(2)
_cell_volume                     1085.75(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker ApexII'
_diffrn_measurement_method       'narrow frame'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0626
_diffrn_reflns_av_sigmaI/netI    0.0425
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       40
_diffrn_reflns_limit_k_min       -40
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            29078
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         50.56
_diffrn_reflns_theta_min         3.20
_exptl_absorpt_coefficient_mu    5.439
_exptl_absorpt_correction_T_max  0.6123
_exptl_absorpt_correction_T_min  0.2922
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'Bruker XPREP 2008/2'
_exptl_crystal_colour            'Pale Yellow'
_exptl_crystal_density_diffrn    2.297
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             716
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         3.226
_refine_diff_density_min         -2.287
_refine_diff_density_rms         0.260
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.159
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     75
_refine_ls_number_reflns         5818
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.159
_refine_ls_R_factor_all          0.0396
_refine_ls_R_factor_gt           0.0323
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0134P)^2^+3.7257P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0598
_refine_ls_wR_factor_ref         0.0726
_reflns_number_gt                5189
_reflns_number_total             5818
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg501421u_si_002.cif
_cod_data_source_block           SmFMD
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

 Adding full bibliography for 4512639--4512651.cif.
;
_cod_original_sg_symbol_H-M      C222(1)
_cod_database_code               4512639