Alkaline-earth metal phosphonocarboxylates: synthesis, structures, chirality, and luminescence properties.
Zima, Vítězslav; Raja, Duraisamy Senthil; Lee, Yu-Shan; Chang, Ting-Guang; Wu, Cheng-You; Hu, Chien-Chieh; Lee, Kueir-Rarn; Lai, Juin-Yih; Yeh, Jui-Ming; Lin, Chia-Her; Dalton transactions (Cambridge, England : 2003) 42 (2013) 15332–15342; doi:10.1039/c3dt51375k

data_7023451
_publ_section_title
;
 Alkaline-earth metal phosphonocarboxylates: synthesis, structures,
 chirality, and luminescence properties.
;
_journal_issue                   43
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              15332
_journal_page_last               15342
_journal_paper_doi               10.1039/c3dt51375k
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C5 H10 Mg N O8 P'
_chemical_formula_sum            'C5 H10 Mg N O8 P'
_chemical_formula_weight         267.42
_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                 92.608(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.1548(3)
_cell_length_b                   12.4592(8)
_cell_length_c                   14.0203(9)
_cell_measurement_reflns_used    5519
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      28.322
_cell_measurement_theta_min      2.188
_cell_volume                     899.52(10)
_computing_cell_refinement       'Bruker SAINT (Bruker, 2009)'
_computing_data_collection       'Bruker APEX2 (Bruker, 2010)'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL (Bruker, 2010)'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0591
_diffrn_reflns_av_sigmaI/netI    0.0323
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8796
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.19
_exptl_absorpt_coefficient_mu    0.408
_exptl_absorpt_correction_T_max  0.9413
_exptl_absorpt_correction_T_min  0.8703
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.975
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tabular
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.530
_refine_diff_density_min         -0.455
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         2225
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0358
_refine_ls_R_factor_gt           0.0328
_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^)+(0.0573P)^2^+0.4407P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0911
_refine_ls_wR_factor_ref         0.0936
_reflns_number_gt                2019
_reflns_number_total             2225
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51375k.txt
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7023451