Hydrogen Bonding Motifs ofN,N‘,N‘ ‘-Trisubstituted Guanidinium Cations with Spherical and Rodlike Monoanions: Syntheses and Structures of I-, I3-, and SCN-Salts
Said, Farouq F.; Bazinet, Patrick; Ong, Tiow-Gan; Yap, Glenn P. A.; Richeson, Darrin S.; Crystal Growth & Design 6 (2006) 258–; doi:10.1021/cg050303a

data_4504561
_publ_section_title
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 Hydrogen Bonding Motifs
 ofN,N&#x2018;,N&#x2018;&#x2009;&#x2018;-Trisubstituted Guanidinium
 Cations with Spherical and Rodlike Monoanions:&#x2009; Syntheses and
 Structures of I-, I3-, and SCN-Salts
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_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              258
_journal_paper_doi               10.1021/cg050303a
_journal_volume                  6
_journal_year                    2006
_chemical_formula_sum            'C10 H27 I N4'
_chemical_formula_weight         330.26
_space_group_IT_number           86
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4bc'
_symmetry_space_group_name_H-M   'P 42/n :2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.0542(9)
_cell_length_b                   18.0542(9)
_cell_length_c                   9.6549(9)
_cell_measurement_reflns_used    54
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      1.47
_cell_volume                     3147.1(4)
_computing_cell_refinement       'SMART, Bruker (2000)'
_computing_data_collection       'SMART, Bruker (2000)'
_computing_data_reduction        'XPREP, Bruker (2000)'
_computing_molecular_graphics    'SHELXTL, Bruker (2000)'
_computing_publication_material  'SHELXTL, Bruker (2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.944
_diffrn_measured_fraction_theta_max 0.944
_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  0.0282
_diffrn_reflns_av_sigmaI/netI    0.0173
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            26618
_diffrn_reflns_theta_full        28.82
_diffrn_reflns_theta_max         28.82
_diffrn_reflns_theta_min         1.60
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    2.018
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.771659
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2000)'
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_density_diffrn    1.394
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1344
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.644
_refine_diff_density_min         -0.875
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         3883
_refine_ls_number_restraints     19
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0496
_refine_ls_R_factor_gt           0.0328
_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^)+(0.0300P)^2^+4.7504P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0735
_refine_ls_wR_factor_ref         0.0825
_reflns_number_gt                2949
_reflns_number_total             3883
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg050303asi20050629_051639.cif
_cod_data_source_block           dr2076
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      P4(2)/n
_cod_database_code               4504561