Anhydrates and/or hydrates in nitrate, sulphate and phosphate salts of 4-aminopyridine, (4-AP) and 3,4-diaminopyridine (3,4-DAP): the role of the water molecules in the hydrates
Hursthouse, Michael B.; Montis, Riccardo; Niitsoo, Liisa; Sarson, Jonathan; Threlfall, Terence L.; Asiri, Abdullah Mohamed; Khan, Salman Ahmad; Obaid, Abdullah Yousef; Al-Harbi, Laila Mohammad; CrystEngComm 16 (2014) 2205–; doi:10.1039/c3ce42471e

data_7213923
_publ_section_title
;
 Anhydrates and/or hydrates in nitrate, sulphate and phosphate salts of
 4-aminopyridine, (4-AP) and 3,4-diaminopyridine (3,4-DAP): the role of
 the water molecules in the hydrates
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              2205
_journal_paper_doi               10.1039/c3ce42471e
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C10 H16 N4 O5 S'
_chemical_formula_weight         304.33
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                96.429(7)
_cell_angle_beta                 97.523(7)
_cell_angle_gamma                95.349(7)
_cell_formula_units_Z            2
_cell_length_a                   6.4515(2)
_cell_length_b                   8.4229(2)
_cell_length_c                   12.4728(8)
_cell_measurement_reflns_used    5860
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      3.1
_cell_volume                     663.70(5)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r11 (Rigaku, 2011)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)
;
_computing_molecular_graphics
;
MERCURY (Bruno, Cole, Edgington, Kessler, Macrae, Pearson and 
Taylor, 2002)
;
_computing_publication_material  'WINGX (Farrugia, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997) '
_computing_structure_solution    'Superflip (Palatinus & Chapuis, 2007)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 10
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Rigaku R-AXIS SPIDER IP'
_diffrn_measurement_method       'profile data from oscillation \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  0.0115
_diffrn_reflns_av_sigmaI/netI    0.0144
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            6593
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         3.13
_exptl_absorpt_coefficient_mu    0.271
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.917
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.523
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             320
_exptl_crystal_size_max          0.65
_exptl_crystal_size_mid          0.48
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.590
_refine_diff_density_min         -0.460
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.192
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     251
_refine_ls_number_reflns         3023
_refine_ls_number_restraints     328
_refine_ls_restrained_S_all      1.133
_refine_ls_R_factor_all          0.0375
_refine_ls_R_factor_gt           0.0326
_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^)+(0.0572P)^2^+0.3917P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1001
_refine_ls_wR_factor_ref         0.1134
_reflns_number_gt                2732
_reflns_number_total             3023
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3ce42471e.txt
_cod_data_source_block           2012ln0017
_cod_depositor_comments
;
The following automatic conversions were performed:
'__computing_data_collection' tag replaced with
'_computing_data_collection'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/current/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 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7213923