The effect of pressure on Cu-btc: framework compression vs. guest inclusion
Alexander J. Graham; Jin-Chong Tan; David R. Allan; Stephen A. Moggach; Chem.Commun. 48 (2012) 1535–; doi:10.1039/c1cc16045a

data_7107287
_publ_section_title
;
 The effect of pressure on Cu-btc: framework compression vs. guest
 inclusion
;
_journal_name_full               Chem.Commun.
_journal_page_first              1535
_journal_paper_doi               10.1039/c1cc16045a
_journal_volume                  48
_journal_year                    2012
_chemical_formula_moiety         'C12 H4 Cu2 O10'
_chemical_formula_sum            'C12 H4 Cu2 O10'
_chemical_formula_weight         435.25
_space_group_IT_number           225
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  '-F 4 2 3'
_symmetry_space_group_name_H-M   'F m -3 m'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     other
_audit_creation_date             11-08-18
_audit_creation_method           CRYSTALS_ver_14.23
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            24
_cell_length_a                   26.3368(12)
_cell_length_b                   26.3368(12)
_cell_length_c                   26.3368(12)
_cell_measurement_reflns_used    4487
_cell_measurement_temperature    293
_cell_measurement_theta_max      24
_cell_measurement_theta_min      2
_cell_volume                     18267.9(14)
_computing_cell_refinement       'USER DEFINED CELL REFINEMENT'
_computing_data_collection       'USER DEFINED DATA COLLECTION'
_computing_data_reduction        'USER DEFINED DATA REDUCTION'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'USER DEFINED STRUCTURE SOLUTION'
_diffrn_ambient_temperature      293
_diffrn_measured_fraction_theta_full 0.967
_diffrn_measured_fraction_theta_max 0.963
_diffrn_measurement_device       Serial
_diffrn_measurement_device_type  Unknown
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           ' ? '
_diffrn_radiation_wavelength     0.48590
_diffrn_reflns_av_R_equivalents  0.104
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       1
_diffrn_reflns_number            20785
_diffrn_reflns_theta_full        13.240
_diffrn_reflns_theta_max         14.085
_diffrn_reflns_theta_min         0.915
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.471
_exptl_absorpt_correction_T_max  0.87
_exptl_absorpt_correction_T_min  0.69
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Siemens, 1996)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    0.949
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             5136
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.44
_refine_diff_density_min         -0.38
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.9896
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     37
_refine_ls_number_reflns         408
_refine_ls_number_restraints     2
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0380
_refine_ls_shift/su_max          0.0004354
_refine_ls_shift/su_mean         0.0000261
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982)
[weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)]
where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax
Method = Robust Weighting (Prince, 1982)
W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^
A~i~ are:
0.296 0.205 0.113
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0572
_refine_ls_wR_factor_gt          0.0411
_refine_ls_wR_factor_ref         0.0411
_reflns_limit_h_max              15
_reflns_limit_h_min              0
_reflns_limit_k_max              18
_reflns_limit_k_min              0
_reflns_limit_l_max              26
_reflns_limit_l_min              1
_reflns_number_gt                408
_reflns_number_total             526
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   0.00
_oxford_diffrn_Wilson_scale      0.00
_oxford_refine_ls_r_factor_ref   0.0380
_oxford_refine_ls_scale          0.01979(9)
_oxford_reflns_number_all        526
_oxford_reflns_threshold_expression_ref I>2.0\s(I)
_oxford_structure_analysis_title 'cubt15 in Fm-3m'
_cod_data_source_file            c1cc16045a.txt
_cod_data_source_block           cubt15
_cod_depositor_comments
;
The following automatic conversions were performed:

'_atom_sites_solution_primary' value 'Other' changed to 'other'
according to the built-in table from CIF Core 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      'F m -3 m '
_cod_database_code               7107287
_iucr_refine_instruction_details_constraints
;
BLOCK SCALE X'S, U'S
RIDE C ( 3,X'S) H ( 31,X'S)
END
;
_iucr_refine_instruction_details_restraints
;
NO
REM HREST START (DO NOT REMOVE THIS LINE)
REM HREST END (DO NOT REMOVE THIS LINE)
END
;