Structural and thermodynamic properties of molecular complexes of aluminum and gallium trihalides with bifunctional donor pyrazine: decisive role of Lewis acidity in 1D polymer formation.
Sevastianova, Tatiana N.; Bodensteiner, Michael; Lisovenko, Anna S.; Davydova, Elena I.; Scheer, Manfred; Susliakova, Tatiana V.; Krasnova, Irina S.; Timoshkin, Alexey Y.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 11589–11599; doi:10.1039/c3dt50954k

data_7023183
_publ_section_title
;
 Structural and thermodynamic properties of molecular complexes of
 aluminum and gallium trihalides with bifunctional donor pyrazine:
 decisive role of Lewis acidity in 1D polymer formation.
;
_journal_issue                   32
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11589
_journal_page_last               11599
_journal_paper_doi               10.1039/c3dt50954k
_journal_volume                  42
_journal_year                    2013
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C4 H4 Ga I3 N2'
_chemical_formula_sum            'C4 H4 Ga I3 N2'
_chemical_formula_weight         530.51
_chemical_name_systematic        ?
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                60.776(16)
_cell_angle_beta                 79.488(12)
_cell_angle_gamma                87.758(13)
_cell_formula_units_Z            2
_cell_length_a                   7.1493(10)
_cell_length_b                   9.3992(17)
_cell_length_c                   9.5165(12)
_cell_measurement_reflns_used    2272
_cell_measurement_temperature    123(1)
_cell_measurement_theta_max      29.2892
_cell_measurement_theta_min      3.4575
_cell_volume                     547.79(17)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_molecular_graphics    'SXGRAPH (Farrugia, 1999)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare, 1993)'
_diffrn_ambient_temperature      123(1)
_diffrn_detector_area_resol_mean 10.5431
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.866
_diffrn_measurement_device_type  'Xcalibur, Ruby, Gemini Ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0393
_diffrn_reflns_av_sigmaI/netI    0.0598
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5809
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         29.23
_diffrn_reflns_theta_min         3.46
_exptl_absorpt_coefficient_mu    10.908
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.43892
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    3.216
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.358
_refine_diff_density_min         -1.436
_refine_diff_density_rms         0.268
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     91
_refine_ls_number_reflns         2573
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0550
_refine_ls_R_factor_gt           0.0409
_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^)+(0.0321P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0789
_refine_ls_wR_factor_ref         0.0863
_reflns_number_gt                2125
_reflns_number_total             2573
_reflns_threshold_expression     >2\s(i)
_cod_data_source_file            c3dt50954k.txt
_cod_data_source_block           ayt26
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_database_code               7023183