Gd2Cu(SO4)2(OH)4: a 3d-4f hydroxysulfate with an enhanced cryogenic magnetocaloric effect.
Tang, Yingying; Guo, Wenbin; Zhang, Suyun; Yang, Ming; Xiang, Hongping; He, Zhangzhen; Dalton transactions (Cambridge, England : 2003) 44 (2015) 17026–17029; doi:10.1039/c5dt03294f

data_7036410
_publ_section_title
;
 Gd2Cu(SO4)2(OH)4: a 3d-4f hydroxysulfate with an enhanced cryogenic
 magnetocaloric effect.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              17026
_journal_page_last               17029
_journal_paper_doi               10.1039/c5dt03294f
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'Cu Gd2 O12 S2'
_chemical_formula_weight         634.17
_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   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.37(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.341(6)
_cell_length_b                   6.702(4)
_cell_length_c                   10.779(9)
_cell_measurement_reflns_used    1520
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.5165
_cell_measurement_theta_min      3.0394
_cell_volume                     453.2(6)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       CCD_Profile_fitting
_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  0.0429
_diffrn_reflns_av_sigmaI/netI    0.0566
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            3326
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.25
_diffrn_standards_number         1121
_exptl_absorpt_coefficient_mu    17.314
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8356
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    4.647
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             570
_exptl_crystal_size_max          0.2000
_exptl_crystal_size_mid          0.2000
_exptl_crystal_size_min          0.2000
_refine_diff_density_max         1.227
_refine_diff_density_min         -2.928
_refine_diff_density_rms         0.381
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.115
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     79
_refine_ls_number_reflns         1027
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.0308
_refine_ls_R_factor_gt           0.0285
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0341P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0709
_refine_ls_wR_factor_ref         0.0721
_reflns_number_gt                915
_reflns_number_total             1032
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt03294f1.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

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

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 7036410.cif.
;
_cod_original_sg_symbol_H-M      P21/C
_cod_database_code               7036410