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lindlar0078
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ûÄãÄãËù»µÄÅäÌ壬µ«ÓÐÒ»¸öÀàËÆÎ¾ÍÊÇNÔ×ÓÅԱ߸÷ÓÐÒ»¸öôÊ»ù¡£½á¹¹ÈçÏ£º data_CSD_CIF_JUHDEV _audit_creation_date 1993-05-12 _audit_creation_method CSD-ConQuest-V1 _database_code_CSD JUHDEV _chemical_formula_sum 'C6 H12 N2 O8 P2' _chemical_formula_moiety ; C6 H12 N2 O8 P2 ; _journal_coden_Cambridge 41 _journal_volume 37 _journal_year 1992 _journal_page_first 115 _journal_name_full 'Kristallografiya(Russ.)(Crystallogr.Rep.) ' loop_ _publ_author_name "L.M.Shkol'nikova" "S.S.Sotman" _chemical_name_systematic ; 2,5-Dioxo-1,4-piperazinyl-N,N'-bis(methylphosphonic acid) ; _cell_volume 534.428 _exptl_special_details ; Dx given as 1.83, we find 1.88 ; _diffrn_ambient_temperature ? _diffrn_special_details ; The study was carried out at room temperature,in the range 283-303K ; #These two values have been output from a single CSD field. _refine_ls_R_factor_gt 0.039 _refine_ls_wR_factor_gt 0.039 _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'P 21/n' _symmetry_Int_Tables_number 14 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 x,y,z 2 1/2-x,1/2+y,1/2-z 3 -x,-y,-z 4 -1/2+x,-1/2-y,-1/2+z _cell_length_a 9.308(2) _cell_length_b 8.161(2) _cell_length_c 7.043(1) _cell_angle_alpha 90 _cell_angle_beta 87.34(2) _cell_angle_gamma 90 _cell_formula_units_Z 2 loop_ _atom_type_symbol _atom_type_radius_bond C 0.68 H 0.23 N 0.68 O 0.68 P 1.05 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z P1 P 0.65779(6) 0.84742(6) 0.82336(8) O1 O 0.6578(2) 0.7135(2) 0.9787(3) O2 O 0.7878(2) 0.8109(3) 0.6848(3) O3 O 0.6613(2) 1.0167(2) 0.8994(3) O4 O 0.6042(2) 0.7704(2) 0.3259(2) N1 N 0.5005(2) 0.6544(2) 0.5892(3) C1 C 0.4966(3) 0.8115(3) 0.6912(4) C2 C 0.5541(3) 0.6470(3) 0.4112(3) C3 C 0.4407(3) 0.5143(3) 0.6925(3) H1 H 0.630(3) 0.739(5) 1.108(6) H2 H 0.802(5) 0.735(6) 0.674(6) H3 H 0.488(3) 0.896(3) 0.609(4) H4 H 0.413(4) 0.798(5) 0.780(6) H5 H 0.495(3) 0.491(4) 0.803(4) H6 H 0.336(3) 0.543(3) 0.719(5) C3B C 0.5593(3) 0.4857(3) 0.3075(3) C2B C 0.4459(3) 0.3530(3) 0.5888(3) N1B N 0.4995(2) 0.3456(2) 0.4108(3) H5B H 0.505(3) 0.509(4) 0.197(4) H6B H 0.664(3) 0.457(3) 0.281(5) O4B O 0.3958(2) 0.2296(2) 0.6741(2) C1B C 0.5034(3) 0.1885(3) 0.3088(4) P1B P 0.34221(6) 0.15258(6) 0.17664(8) H3B H 0.512(3) 0.104(3) 0.391(4) H4B H 0.587(4) 0.202(5) 0.220(6) O1B O 0.3422(2) 0.2865(2) 0.0213(3) O2B O 0.2122(2) 0.1891(3) 0.3152(3) O3B O 0.3387(2) -0.0167(2) 0.1006(3) H1B H 0.370(3) 0.261(5) -0.108(6) H2B H 0.198(5) 0.265(6) 0.326(6) #END |

2Â¥2018-05-24 02:02:56
cluster8676
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3Â¥2018-05-24 09:00:30
GUOZEYI
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4Â¥2018-06-13 08:15:37














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