Multidimensional (0D to 3D) Alkaline-Earth Metal Diphosphonates: Synthesis, Structural Diversity, and Luminescence Properties.
Senthil Raja, Duraisamy; Lin, Pin-Chun; Liu, Wei-Ren; Zhan, Jun-Xiang; Fu, Xin-Yi; Lin, Chia-Her; Inorganic chemistry 54 (2015) 4268–4278; doi:10.1021/ic5029993

data_4342766
_publ_section_title
;
 Multidimensional (0D to 3D) Alkaline-Earth Metal Diphosphonates:
 Synthesis, Structural Diversity, and Luminescence Properties.
;
_journal_issue                   9
_journal_name_full               'Inorganic chemistry'
_journal_page_first              4268
_journal_page_last               4278
_journal_paper_doi               10.1021/ic5029993
_journal_volume                  54
_journal_year                    2015
_chemical_formula_sum            'C6 H15.5 N O15 P4 Sr1.5'
_chemical_formula_weight         597.00
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 109.4020(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   22.5561(8)
_cell_length_b                   17.4368(6)
_cell_length_c                   10.1995(4)
_cell_measurement_reflns_used    9361
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      28.367
_cell_measurement_theta_min      2.327
_cell_volume                     3783.7(2)
_computing_cell_refinement       'Bruker SAINT (Bruker, 2008)'
_computing_data_collection       'Bruker APEX2 (Bruker, 2008)'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL (Bruker, 2008)'
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0435
_diffrn_reflns_av_sigmaI/netI    0.0375
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            14066
_diffrn_reflns_theta_full        28.37
_diffrn_reflns_theta_max         28.37
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    4.657
_exptl_absorpt_correction_T_max  0.3555
_exptl_absorpt_correction_T_min  0.2925
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.096
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       columnar
_exptl_crystal_F_000             2364
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.28
_refine_diff_density_max         1.134
_refine_diff_density_min         -0.711
_refine_diff_density_rms         0.123
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         4726
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0347
_refine_ls_R_factor_gt           0.0294
_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^)+(0.0515P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0850
_refine_ls_wR_factor_ref         0.0866
_reflns_number_gt                4057
_reflns_number_total             4726
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic5029993_si_002.cif
_cod_data_source_block           3
_cod_depositor_comments
'Adding full bibliography for 4342764--4342767.cif.'
_cod_original_formula_sum        'C6 H15.50 N O15 P4 Sr1.50'
_cod_database_code               4342766