A phase transition in the novel three-dimensional compound [Eu2(mal)3(H2O)6] (H2mal = malonic acid)
María Hernández-Molina; Pablo Lorenzo-Luis; Catalina Ruiz-Pérez; Trinidad López; Inocencio R. Martín; Kirsty M. Anderson; A. Guy Orpen; Eduardo H. Bocanegra; Francesc Lloret; Miguel Julve; J. Chem. Soc., Dalton Trans.  (2002) 3462–3470; doi:10.1039/b202649j

data_7011670
_publ_section_title
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 A phase transition in the novel three-dimensional compound
 [Eu2(mal)3(H2O)6] (H2mal = malonic acid)
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_journal_issue                   18
_journal_name_full               'J. Chem. Soc., Dalton Trans.'
_journal_page_first              3462
_journal_page_last               3470
_journal_paper_doi               10.1039/b202649j
_journal_year                    2002
_chemical_formula_sum            'C9 H18 Eu2 O18'
_chemical_formula_weight         718.15
_chemical_name_systematic
;
?
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'I -2ya'
_symmetry_space_group_name_H-M   'I 1 a 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                 91.915(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.0504(12)
_cell_length_b                   12.2959(16)
_cell_length_c                   13.467(3)
_cell_measurement_reflns_used    145
_cell_measurement_temperature    173(2)
_cell_volume                     1828.8(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Siemens CCD area detector'
_diffrn_measurement_method       '\w scans with narrow frames'
_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  0.0219
_diffrn_reflns_av_sigmaI/netI    0.0383
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4749
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.24
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    6.890
_exptl_absorpt_correction_T_max  0.355024
_exptl_absorpt_correction_T_min  0.213550
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.608
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       block
_exptl_crystal_F_000             1368
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.806
_refine_diff_density_min         -0.733
_refine_diff_density_rms         0.114
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.48(3)
_refine_ls_extinction_coef       0.00172(5)
_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   0.964
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         2940
_refine_ls_number_restraints     50
_refine_ls_restrained_S_all      0.958
_refine_ls_R_factor_all          0.0204
_refine_ls_R_factor_gt           0.0190
_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^)+(0.0138P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0411
_refine_ls_wR_factor_ref         0.0414
_reflns_number_gt                2741
_reflns_number_total             2940
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b202649j.txt
_cod_data_source_block           compound2
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      Ia
_cod_database_code               7011670