Competing hydrogen-bonding patterns and phase transitions of 1,2-diaminoethane at varied temperature and pressure
Budzianowski, Armand; Olejniczak, Anna; Katrusiak, Andrzej; Acta Crystallographica Section B 62 (2006) 1078–1089; doi:10.1107/S010876810602982X

data_2100673
_publ_contact_author_address
;Faculty of Crystal Chemistry,
Adam Mickiewicz University,
Grunwaldzka 6, 60-780 Poznan
Poland
;
_publ_contact_author_email       katran@amu.edu.pl
_publ_contact_author_fax         +48(61)8658008
_publ_contact_author_name        'Andrzej Katrusiak'
_publ_contact_author_phone       +48(61)8291443
_publ_section_title
;
 Competing hydrogen-bonding patterns and phase transitions of
 1,2-diaminoethane at varied temperature and pressure
;
_journal_coeditor_code           AV5066
_journal_date_accepted           2006-07-31
_journal_date_recd_electronic    2006-05-22
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              1078
_journal_page_last               1089
_journal_paper_category          FA
_journal_paper_doi               10.1107/S010876810602982X
_journal_volume                  62
_journal_year                    2006
_chemical_formula_moiety         'C2 H8 N2'
_chemical_formula_sum            'C2 H8 N2'
_chemical_formula_weight         60.10
_chemical_melting_point          284.29
_chemical_name_common            ethylenediamine
_chemical_name_systematic
;
1,2-diaminoethane phase II
;
_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                 110.87(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   4.9921(18)
_cell_length_b                   5.137(4)
_cell_length_c                   7.200(4)
_cell_measurement_pressure       0.50(5)E6
_cell_measurement_reflns_used    761
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      29.87
_cell_measurement_theta_min      4.37
_cell_volume                     172.53(19)
_computing_cell_refinement       'CrysAlis (Oxford Diffraction, 2002)'
_computing_data_collection       'CrysAlis (Oxford Diffraction, 2002)'
_computing_data_reduction        'CrysAlis (Oxford Diffraction, 2002)'
_computing_molecular_graphics
;X-Seed (Barbour, 2001)
and POV-Ray (Persistence of Vision, 2004)
;
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 16.4
_diffrn_measured_fraction_theta_full 0.419
_diffrn_measured_fraction_theta_max 0.419
_diffrn_measurement_device_type  'Kuma KM4CCD \k geometry'
_diffrn_measurement_method
;HP omega scans - for more details see:
A. Budzianowski, A. Katrusiak in High-Pressure Crystallography
(Eds.: A. Katrusiak, P. F. McMillan),
Dordrecht: Kluwer Acad. Publ., 2004 pp.157-168
;
_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  0.0632
_diffrn_reflns_av_sigmaI/netI    0.0337
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            1110
_diffrn_reflns_theta_full        29.87
_diffrn_reflns_theta_max         29.87
_diffrn_reflns_theta_min         4.37
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.82
_exptl_absorpt_correction_T_min  0.49
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Katrusiak, A. (2003). REDSHADE - Program for correcting
reflections intensities for DAC absorption, gasket shadowing
and sample crystal absorption. Adam Mickiewicz University, Pozna\'n.
Katrusiak, A. (2004). Z. Kristallogr. 219, 461-467
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.157
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             68
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.132
_refine_diff_density_min         -0.153
_refine_ls_extinction_coef       0.3(2)
_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   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     25
_refine_ls_number_reflns         206
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0653
_refine_ls_R_factor_gt           0.0585
_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^)+(0.0578P)^2^+0.1608P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1394
_refine_ls_wR_factor_ref         0.1486
_reflns_number_gt                193
_reflns_number_total             206
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            av5066.cif
_cod_data_source_block           DAE05G
_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      'P 2(1)/c'
_cod_database_code               2100673
_cod_database_fobs_code          2100673