A strategy for the propagation of hydrogen-bonding in bicyclic guanidinium salts
Khalaf, Majid S.; Oakley, Sarah H.; Coles, Martyn P.; Hitchcock, Peter B.; CrystEngComm  (2008) –; doi:10.1039/b811191j

data_7202372
_publ_section_title
;
 A strategy for the propagation of hydrogen-bonding in bicyclic
 guanidinium salts
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/b811191j
_journal_year                    2008
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C7 H14 Cl1 N3'
_chemical_formula_sum            'C7 H14 Cl N3'
_chemical_formula_weight         175.66
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.2
_audit_creation_date             2003-12-05T11:27:04-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 100.679(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.7679(2)
_cell_length_b                   8.6829(4)
_cell_length_c                   14.9689(5)
_cell_measurement_reflns_used    4378
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      3.705
_cell_measurement_wavelength     0.71073
_cell_volume                     864.41(6)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_type       'by Nonius Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      -0.270087E-1
_diffrn_orient_matrix_UB_12      0.112083
_diffrn_orient_matrix_UB_13      0.7326E-2
_diffrn_orient_matrix_UB_21      -0.1063
_diffrn_orient_matrix_UB_22      -0.263929E-1
_diffrn_orient_matrix_UB_23      0.357924E-1
_diffrn_orient_matrix_UB_31      0.102854
_diffrn_orient_matrix_UB_32      0.21549E-2
_diffrn_orient_matrix_UB_33      0.573311E-1
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.05
_diffrn_reflns_av_unetI/netI     0.0334
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            6659
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         3.73
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.382
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.35
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             376
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.238
_refine_diff_density_min         -0.307
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     108
_refine_ls_number_reflns         1943
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0375
_refine_ls_R_factor_gt           0.0331
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0414P)^2^+0.2947P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.083
_refine_ls_wR_factor_ref         0.0865
_reflns_number_gt                1756
_reflns_number_total             1943
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b811191j.txt
_cod_data_source_block           1a-dec503
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_original_formula_sum        'C7 H14 Cl1 N3'
_cod_database_code               7202372