β-[H~2~N(CH~2~)~2~NH~2~]~0.5~[ZnHPO~3~], a second modification of ethylenediamine zinc hydrogen phosphite
Gordon, Laura E.; Harrison, William T. A.; Acta Crystallographica Section C 60 (2004) m637–m639; doi:10.1107/S0108270104027039

data_2014499
_publ_section_title
;
 \b-[H~2~N(CH~2~)~2~NH~2~]~0.5~[ZnHPO~3~], a second modification of
 ethylenediamine zinc hydrogen phosphite
;
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              m637
_journal_page_last               m639
_journal_paper_doi               10.1107/S0108270104027039
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          '[Zn2 (H P O3)2 (C2 H8 N2)]'
_chemical_formula_moiety         'C2 H8 N2, 2Zn H P O3'
_chemical_formula_sum            'C2 H10 N2 O6 P2 Zn2'
_chemical_formula_weight         350.80
_chemical_name_common
;
ethylenediamine zinc hydrogen phosphite
;
_chemical_name_systematic
;
poly[dizinc(II)-\m-ethylenediamine-di-\m-(hydrogen phosphito)]
;
_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                 104.6890(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.3609(4)
_cell_length_b                   7.9369(4)
_cell_length_c                   15.8259(7)
_cell_measurement_reflns_used    5099
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.40
_cell_measurement_theta_min      2.52
_cell_volume                     1015.88(8)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997) and ATOMS (Shape Software, 2003)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  SHELXL97
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD'
_diffrn_measurement_method       \w
_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  0.0305
_diffrn_reflns_av_sigmaI/netI    0.0257
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            7093
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.52
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    5.041
_exptl_absorpt_correction_T_max  0.607
_exptl_absorpt_correction_T_min  0.287
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1999)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.294
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       slab
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.229
_refine_diff_density_min         -1.009
_refine_ls_extinction_coef       0.0028(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.280
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     128
_refine_ls_number_reflns         2309
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.280
_refine_ls_R_factor_all          0.0682
_refine_ls_R_factor_gt           0.0641
_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^)+(0.0155P)^2^+26.0795P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1697
_refine_ls_wR_factor_ref         0.1709
_reflns_number_gt                2075
_reflns_number_total             2309
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gg1223.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2014499
_cod_database_fobs_code          2014499