Coordination chemistry of N,N,4-tris(pyridin-2-ylmethyl)aniline: a novel flexible, multimodal ligand
Almesåker, Ann; Bourne, Susan A.; Ramon, Gaëlle; Scott, Janet L.; Strauss, Christopher R.; CrystEngComm 9 (2007) 997–; doi:10.1039/b708465j

data_7203016
_publ_section_title
;
 Coordination chemistry of N,N,4-tris(pyridin-2-ylmethyl)aniline: a
 novel flexible, multimodal ligand
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              997
_journal_paper_doi               10.1039/b708465j
_journal_volume                  9
_journal_year                    2007
_chemical_formula_moiety         'C24 H22 N4'
_chemical_formula_sum            'C24 H22 N4'
_chemical_formula_weight         366.46
_chemical_melting_point          88.5(3)
_chemical_name_common            N,N,4-tris(pyridin-2-ylmethyl)aniline
_chemical_name_systematic
;
N,N,4-tris(pyridin-2-ylmethyl)aniline
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 95.82(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.4861(19)
_cell_length_b                   6.0392(12)
_cell_length_c                   32.990(7)
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.0
_cell_volume                     1880.2(7)
_computing_cell_refinement       'Collect (Nonius (2000)'
_computing_data_collection       'Collect (Nonius (2000)'
_computing_data_reduction        'Collect (Nonius (2000)'
_computing_molecular_graphics    'WebLab ViewerPro (1997)'
_computing_publication_material  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0540
_diffrn_reflns_av_sigmaI/netI    0.0321
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            46476
_diffrn_reflns_theta_full        27.97
_diffrn_reflns_theta_max         27.97
_diffrn_reflns_theta_min         2.48
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.295
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       plate
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.216
_refine_diff_density_min         -0.184
_refine_diff_density_rms         0.041
_refine_ls_extinction_coef       0.0099(11)
_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   1.104
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         4484
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.104
_refine_ls_R_factor_all          0.0653
_refine_ls_R_factor_gt           0.0535
_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^)+(0.0402P)^2^+0.8691P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1125
_refine_ls_wR_factor_ref         0.1187
_reflns_number_gt                3846
_reflns_number_total             4484
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b708465j.txt
_cod_data_source_block           gr8
_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:

'_chemical_melting_point' value '88.3-88.8' was changed to '88.5(3)'
- the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7203016