Structural investigations of phosphorus–nitrogen compounds. 6. Relationships between molecular parameters in per-<i>X</i>-substituted bridged spermine derivatives and basicity constants Σα<i>R</i> of substituents
Coles, Simon J; Davies, David B.; Hursthouse, Michael B.; Kiliç, Adem; Mayer, Thomas A.; Shaw, Robert A.; Yenilmez Çiftçi, Gonul; Acta Crystallographica Section B 60 (2004) 739–747; doi:10.1107/S0108768104025947

data_2102648
_publ_section_title
;
 Structural investigations of phosphorus--nitrogen compounds. 6.
 Relationships between molecular parameters in per-<i>X</i>-substituted
 bridged spermine derivatives and basicity constants \S\a<i>R</i> of
 substituents
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              739
_journal_page_last               747
_journal_paper_doi               10.1107/S0108768104025947
_journal_volume                  60
_journal_year                    2004
_chemical_formula_sum            'C64 H68 N10 P6'
_chemical_formula_weight         1163.10
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 93.0020(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.0388(2)
_cell_length_b                   30.2194(5)
_cell_length_c                   17.8858(4)
_cell_measurement_reflns_used    19360
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     5958.3(2)
_computing_cell_refinement       'DENZO & COLLECT'
_computing_data_collection
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, 1998)'
_computing_data_reduction        'DENZO & COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0541
_diffrn_reflns_av_sigmaI/netI    0.0518
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            34191
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.93
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.231
_exptl_absorpt_correction_T_max  0.9908
_exptl_absorpt_correction_T_min  0.9773
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV Blessing (1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2448
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.264
_refine_diff_density_min         -0.396
_refine_ls_extinction_coef       0.00103(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     366
_refine_ls_number_reflns         6809
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0608
_refine_ls_R_factor_gt           0.0419
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0529P)^2^+4.2590P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1008
_refine_ls_wR_factor_ref         0.1095
_reflns_number_gt                5324
_reflns_number_total             6809
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            bm5015.cif
_cod_data_source_block           2d
_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_enum 1527 2010-12-29 10:47:43Z saulius 

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_sg_symbol_H-M      C2/c
_cod_database_code               2102648
_cod_database_fobs_code          2102648