A supramolecular approach towards the construction of molecular salts using phosphonic acid and pyrazole
Singh, Udai P.; Narang, Shikha; CrystEngComm 16 (2014) 7777–; doi:10.1039/C4CE00484A

data_7216726
_publ_section_title
;
 A supramolecular approach towards the construction of molecular salts
 using phosphonic acid and pyrazole
;
_journal_issue                   33
_journal_name_full               CrystEngComm
_journal_page_first              7777
_journal_paper_doi               10.1039/C4CE00484A
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C11 H18 N4, 2(C4 H10 O3 P), C2 H6 O'
_chemical_formula_sum            'C21 H44 N4 O7 P2'
_chemical_formula_weight         526.51
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 92.012(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.6984(5)
_cell_length_b                   19.7930(8)
_cell_length_c                   25.4741(11)
_cell_measurement_reflns_used    117
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.30
_cell_volume                     5894.8(4)
_computing_cell_refinement       'Bruker kappa Apex'
_computing_data_collection       'Bruker kappa Apex'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker XSHELL'
_computing_publication_material  'Bruker XSHELL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0502
_diffrn_reflns_av_sigmaI/netI    0.0671
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            65075
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.30
_exptl_absorpt_coefficient_mu    0.189
_exptl_absorpt_correction_T_max  0.979
_exptl_absorpt_correction_T_min  0.969
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.186
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2271.9
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.374
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.03(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.995
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1270
_refine_ls_number_reflns         19847
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.995
_refine_ls_R_factor_all          0.0888
_refine_ls_R_factor_gt           0.0485
_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^)+(0.0598P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1033
_refine_ls_wR_factor_ref         0.1211
_reflns_number_gt                13341
_reflns_number_total             19847
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00484a2.cif
_cod_data_source_block           ups1302shi_1_0ma
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7216721--7216726.cif.
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7216726