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_2100666
_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 I alpha
;
_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
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_cell_angle_alpha                90.00
_cell_angle_beta                 115.18(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.1020(10)
_cell_length_b                   7.1970(10)
_cell_length_c                   5.5350(10)
_cell_measurement_reflns_used    240
_cell_measurement_temperature    274(2)
_cell_measurement_theta_max      28.56
_cell_measurement_theta_min      4.41
_cell_volume                     183.93(7)
_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      274(2)
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_diffrn_measurement_device_type  'Kuma KM4CCD \k geometry'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_R_equivalents  0.1293
_diffrn_reflns_av_sigmaI/netI    0.0889
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
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_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -7
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_diffrn_reflns_theta_full        28.56
_diffrn_reflns_theta_max         28.56
_diffrn_reflns_theta_min         4.41
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.085
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             68
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.4
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_refine_diff_density_max         0.350
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_refine_ls_extinction_coef       0.6(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
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_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^)+(0.1384P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1958
_refine_ls_wR_factor_ref         0.2101
_reflns_number_gt                330
_reflns_number_total             452
_reflns_threshold_expression     >2sigma(I)
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_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               2100666
_cod_database_fobs_code          2100666