Ethylenediammonium disodium (1-hydroxyethylidene)diphosphonate tetrahydrate, [NH~3~(CH~2~)~2~NH~3~]Na~2~(hedp)·4H~2~O
Zongbin, Wu; Zhongmin, Liu; Peng, Tian; Lei, Xu; Yanli, He; Shiyun, Sang; Yue, Yang; Xiumei, Liu; Xianchun, Liu; Xinhe, Bao; Acta Crystallographica Section E 59 (2003) m521–m523; doi:10.1107/S1600536803013278

data_2202674
_publ_section_title
;
 Ethylenediammonium disodium (1-hydroxyethylidene)diphosphonate
 tetrahydrate, [NH~3~(CH~2~)~2~NH~3~]Na~2~(hedp)&#x00B7;4H~2~O
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m521
_journal_page_last               m523
_journal_paper_doi               10.1107/S1600536803013278
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac
'C2 H10 N2 2+, 2Na 1+, C2 H4 O7 P2 4-, 4H2 O1'
_chemical_formula_moiety
'C2 H10 N2 2+, 2Na 1+, C2 H4 O7 P2 4-, 4H2 O1'
_chemical_formula_sum            'C4 H22 N2 Na2 O11 P2'
_chemical_formula_weight         382.16
_chemical_name_systematic
;
Ethylenediammonium disodium (1-hydroxyethylidene)diphosphonate
tetrahydrate
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.966(7)
_cell_length_b                   5.8928(18)
_cell_length_c                   11.871(4)
_cell_measurement_reflns_used    2203
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.02
_cell_measurement_theta_min      1.94
_cell_volume                     1466.6(8)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'SHELXTL (Sheldrick, 2001)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART CCD'
_diffrn_measurement_method       '\f and \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  0.0254
_diffrn_reflns_av_sigmaI/netI    0.0276
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5700
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.94
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.411
_exptl_absorpt_correction_T_max  0.9600
_exptl_absorpt_correction_T_min  0.9222
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.731
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       arching
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.267
_refine_diff_density_min         -0.310
_refine_ls_abs_structure_details 'Flack (1983), 1217 Friedel pairs'
_refine_ls_abs_structure_Flack   -0.10(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         2203
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0302
_refine_ls_R_factor_gt           0.0258
_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^)+(0.0395P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0614
_refine_ls_wR_factor_ref         0.0638
_reflns_number_gt                2021
_reflns_number_total             2203
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh6070.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_Hall     'P 2c-2n'
_cod_database_code               2202674
_cod_database_fobs_code          2202674