Framework materials assembled from magnesium carboxylate building units.
Davies, Robert P.; Less, Robert J.; Lickiss, Paul D.; White, Andrew J. P.; Dalton transactions (Cambridge, England : 2003)  (2007) 2528–2535; doi:10.1039/b705028c

data_7005743
_publ_section_title
;
 Framework materials assembled from magnesium carboxylate building
 units.
;
_journal_issue                   24
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2528
_journal_page_last               2535
_journal_paper_doi               10.1039/b705028c
_journal_year                    2007
_chemical_formula_moiety         'C14 H12 Mg1.50 O7'
_chemical_formula_sum            'C14 H12 Mg1.5 O7'
_chemical_formula_weight         328.70
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 92.618(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.9778(18)
_cell_length_b                   17.2530(19)
_cell_length_c                   9.873(2)
_cell_measurement_reflns_used    7923
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      31.9108
_cell_measurement_theta_min      3.8073
_cell_volume                     1527.7(5)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd'
_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_detector_area_resol_mean 15.9863
_diffrn_measured_fraction_theta_full 0.939
_diffrn_measured_fraction_theta_max 0.939
_diffrn_measurement_device_type  'OD Xcalibur 3'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0583
_diffrn_reflns_av_sigmaI/netI    0.0690
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            23806
_diffrn_reflns_theta_full        31.91
_diffrn_reflns_theta_max         31.91
_diffrn_reflns_theta_min         3.82
_exptl_absorpt_coefficient_mu    0.168
_exptl_absorpt_correction_T_max  0.995
_exptl_absorpt_correction_T_min  0.983
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.29.8 (release 17-03-2006 CrysAlis171 .NET)
(compiled Mar 17 2006,10:57:34)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.429
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'tabular diamonds'
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.532
_refine_diff_density_min         -0.504
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.940
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         4942
_refine_ls_number_restraints     11
_refine_ls_restrained_S_all      0.956
_refine_ls_R_factor_all          0.0853
_refine_ls_R_factor_gt           0.0443
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0652P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1049
_refine_ls_wR_factor_ref         0.1140
_reflns_number_gt                3158
_reflns_number_total             4942
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b705028c.txt
_cod_data_source_block           Compound_2
_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_cell_volume        1527.6(5)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_original_formula_sum        'C14 H12 Mg1.50 O7'
_cod_database_code               7005743