#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/17/1001741.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1001741 loop_ _publ_author_name 'Leclaire, A.' 'Monier, J. C.' _publ_section_title ; Liaisons hydrogene dans les cristaux de Ca(NO3)2*4H2Oalpha Locality: synthetic ; _journal_name_full 'Acta Crystallographica, Section B' _journal_page_first 1861 _journal_page_last 1866 _journal_paper_doi 10.1107/S0567740877007213 _journal_volume 33 _journal_year 1977 _chemical_compound_source synthetic _chemical_formula_structural 'Ca (N O3)2 (H2 O)4' _chemical_formula_sum 'Ca H8 N2 O10' _chemical_name_mineral Nitrocalcite _chemical_name_systematic 'Calcium nitrate tetrahydrate - $-alpha' _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 14 _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _cell_angle_alpha 90 _cell_angle_beta 106.22(1) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 6.2786(7) _cell_length_b 9.1551(5) _cell_length_c 14.8999(12) _cell_volume 822.4 _exptl_crystal_density_meas 1.9 _refine_ls_R_factor_all 0.028 _[local]_cod_chemical_formula_sum_orig 'H8 Ca N2 O10' _cod_database_code 1001741 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,1/2+y,1/2-z -x,-y,-z x,1/2-y,1/2+z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Ca1 Ca2+ 4 e 0.32775(4) 0.41024(3) 0.36704(2) 1. 0 d N1 N5+ 4 e 0.07615(18) 0.37196(13) 0.16956(8) 1. 0 d N2 N5+ 4 e 0.48048(17) 0.73285(12) 0.40676(7) 1. 0 d O1 O2- 4 e 0.05757(19) 0.48374(12) 0.21718(7) 1. 0 d O2 O2- 4 e 0.18733(19) 0.26869(11) 0.21202(8) 1. 0 d O3 O2- 4 e -0.02525(20) 0.36516(15) 0.08576(7) 1. 0 d O4 O2- 4 e 0.54009(18) 0.62111(10) 0.45857(7) 1. 0 d O5 O2- 4 e 0.5490(2) 0.85477(11) 0.43477(8) 1. 0 d O6 O2- 4 e 0.35068(17) 0.71221(12) 0.32758(6) 1. 0 d O7 O2- 4 e 0.59973(18) 0.46279(12) 0.28249(8) 1. 0 d O8 O2- 4 e 0.03795(18) 0.53620(11) 0.41525(7) 1. 0 d O9 O2- 4 e 0.08003(21) 0.22224(12) 0.39698(8) 1. 0 d O10 O2- 4 e 0.57447(24) 0.19691(15) 0.38527(10) 1. 0 d H1 H1+ 4 e 0.6203(41) 0.3934(30) 0.2512(17) 1. 0 d H2 H1+ 4 e 0.5884(41) 0.5413(30) 0.2489(18) 1. 0 d H3 H1+ 4 e 0.0252(42) 0.6130(29) 0.4109(18) 1. 0 d H4 H1+ 4 e 0.0745(83) 0.5148(62) 0.4697(36) 0.5 0 d H5 H1+ 4 e -0.1226(82) 0.5006(59) 0.3575(35) 0.5 0 d H6 H1+ 4 e 0.0765(41) 0.1437(29) 0.3661(18) 1. 0 d H7 H1+ 4 e 0.1411(41) 0.1855(29) 0.4506(18) 1. 0 d H8 H1+ 4 e 0.5789(42) 0.1456(29) 0.4220(17) 1. 0 d H9 H1+ 4 e 0.7103(41) 0.2093(30) 0.3861(17) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ca2+ 2.000 N5+ 5.000 O2- -2.000 H1+ 1.000