NMR crystallography of sodium diphosphates: combining dipolar, shielding, quadrupolar, diffraction, and computational information
Perras, Frédéric A.; Korobkov, Ilia; Bryce, David L.; CrystEngComm 15 (2013) 8727–; doi:10.1039/c3ce40875b

data_7210897
_publ_section_title
;
 NMR crystallography of sodium diphosphates: combining dipolar, shielding,
 quadrupolar, diffraction, and computational information
;
_journal_issue                   43
_journal_name_full               CrystEngComm
_journal_page_first              8727
_journal_paper_doi               10.1039/c3ce40875b
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'H19 Na3 O16 P2'
_chemical_formula_weight         406.06
_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                 108.6180(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.0867(2)
_cell_length_b                   31.3792(8)
_cell_length_c                   8.2848(2)
_cell_measurement_reflns_used    9989
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.31
_cell_measurement_theta_min      2.59
_cell_volume                     1499.55(7)
_computing_cell_refinement       'APEX II, Bruker (2009)'
_computing_data_collection       'APEX II, Bruker (2009)'
_computing_data_reduction        'XPREP, Bruker (2009)'
_computing_molecular_graphics    'SHELXTL, Bruker (2004)'
_computing_publication_material  'SHELXTL, Bruker (2004)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_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  0.0144
_diffrn_reflns_av_sigmaI/netI    0.0102
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -41
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            20041
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         2.60
_exptl_absorpt_coefficient_mu    0.453
_exptl_absorpt_correction_T_max  0.9603
_exptl_absorpt_correction_T_min  0.8611
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.799
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.360
_refine_diff_density_min         -0.401
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         3636
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0265
_refine_ls_R_factor_gt           0.0255
_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^)+(0.0471P)^2^+0.8850P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0739
_refine_ls_wR_factor_ref         0.0746
_reflns_number_gt                3515
_reflns_number_total             3636
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40875b.txt
_cod_data_source_block           db101
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' 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      P2(1)/n
_cod_database_code               7210897