A novel structural form of MIL-53 observed for the scandium analogue and its response to temperature variation and CO(2) adsorption.
Mowat, John P. S.; Seymour, Valerie R.; Griffin, John M.; Thompson, Stephen P.; Slawin, Alexandra M. Z.; Fairen-Jimenez, David; Düren, Tina; Ashbrook, Sharon E.; Wright, Paul A.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 3937–3941; doi:10.1039/c1dt11729g

data_7018280
_publ_section_title
;
 A novel structural form of MIL-53 observed for the scandium analogue and
 its response to temperature variation and CO(2) adsorption.
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3937
_journal_page_last               3941
_journal_paper_doi               10.1039/c1dt11729g
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C8 N O8 Sc'
_chemical_formula_weight         283.05
_chemical_name_systematic
;
?
;
_space_group_IT_number           74
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-I 2b 2'
_symmetry_space_group_name_H-M   'I m m a'
_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                   18.279(7)
_cell_length_b                   7.330(3)
_cell_length_c                   11.601(4)
_cell_measurement_reflns_used    2418
_cell_measurement_temperature    93
_cell_measurement_theta_max      28.5
_cell_measurement_theta_min      2.2
_cell_volume                     1554.4(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      93
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  CCD
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0453
_diffrn_reflns_av_sigmaI/netI    0.0413
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -14
_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            4879
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.34
_diffrn_reflns_theta_min         2.23
_exptl_absorpt_coefficient_mu    0.497
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.833
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.20
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             526
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.726
_refine_diff_density_min         -0.741
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.211
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     56
_refine_ls_number_reflns         800
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.211
_refine_ls_R_factor_all          0.0778
_refine_ls_R_factor_gt           0.0676
_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^)+(0.1332P)^2^+2.3533P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2135
_refine_ls_wR_factor_ref         0.2253
_reflns_number_gt                669
_reflns_number_total             800
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c1dt11729g.txt
_cod_data_source_block           MIL-53NO2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 
;
_cod_original_sg_symbol_H-M      Imma
_cod_original_formula_sum        'C8 N1 O8 Sc1'
_cod_database_code               7018280