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_7005744
_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         'C29 H30 Mg1.50 N2 O8'
_chemical_formula_sum            'C29 H30 Mg1.5 N2 O8'
_chemical_formula_weight         571.02
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 113.960(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.7835(12)
_cell_length_b                   18.384(2)
_cell_length_c                   12.1948(15)
_cell_measurement_reflns_used    25932
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      31.8695
_cell_measurement_theta_min      3.6959
_cell_volume                     2823.8(6)
_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 0.932
_diffrn_measured_fraction_theta_max 0.932
_diffrn_measurement_device_type  'OD Xcalibur 3'
_diffrn_measurement_method       '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  0.0278
_diffrn_reflns_av_sigmaI/netI    0.0214
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            45916
_diffrn_reflns_theta_full        31.94
_diffrn_reflns_theta_max         31.94
_diffrn_reflns_theta_min         3.70
_exptl_absorpt_coefficient_mu    0.127
_exptl_absorpt_correction_T_max  1.08008
_exptl_absorpt_correction_T_min  0.93321
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.30.2 (release 11-05-2006 CrysAlis171 .NET)
(compiled May 11 2006,17:41:17)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.343
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prisms
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.863
_refine_diff_density_min         -0.248
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         9104
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0551
_refine_ls_R_factor_gt           0.0416
_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^)+(0.0736P)^2^+0.4320P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1178
_refine_ls_wR_factor_ref         0.1237
_reflns_number_gt                7243
_reflns_number_total             9104
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b705028c.txt
_cod_data_source_block           Compound_3
_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        2823.8(5)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_original_formula_sum        'C29 H30 Mg1.50 N2 O8'
_cod_database_code               7005744