Strong and Weak Hydrogen-Bonding Interactions in the Structures ofN,N‘,N‘ ‘-Trisubstituted Guanidinium Chlorides and Bromides
Said, Farouq F.; Ong, Tiow-Gan; Yap, Glenn P. A.; Richeson, Darrin; Crystal Growth & Design 5 (2005) 1881–; doi:10.1021/cg050172d

data_4505206
_publ_section_title
;
 Strong and Weak Hydrogen-Bonding Interactions in the Structures
 ofN,N&#x2018;,N&#x2018;&#x2009;&#x2018;-Trisubstituted Guanidinium
 Chlorides and Bromides
;
_journal_issue                   5
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1881
_journal_paper_doi               10.1021/cg050172d
_journal_volume                  5
_journal_year                    2005
_chemical_formula_sum            'C15 H26 Br N3'
_chemical_formula_weight         328.30
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 91.82(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.991(4)
_cell_length_b                   18.379(9)
_cell_length_c                   11.456(6)
_cell_measurement_reflns_used    54
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      26.37
_cell_measurement_theta_min      1.47
_cell_volume                     1681.7(15)
_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, 1997)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.965
_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  0.0705
_diffrn_reflns_av_sigmaI/netI    0.1453
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5793
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.10
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    2.437
_exptl_absorpt_correction_T_max  0.8878
_exptl_absorpt_correction_T_min  0.6681
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2000)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.527
_refine_diff_density_min         -0.457
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         3305
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.1318
_refine_ls_R_factor_gt           0.0587
_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^)+(0.0050P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0718
_refine_ls_wR_factor_ref         0.0838
_reflns_number_gt                1900
_reflns_number_total             3305
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg050172dsi20050421_034013.cif
_cod_data_source_block           dr2096
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1681.8(15)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4505206