| ²é¿´: 575 | »Ø¸´: 1 | ||||
chinawormר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)
|
[ÇóÖú]
̼ËáïçIÐͺÍIIÐͽṹ ¿Õ¼äȺµÈ²ÎÊýÇóÖú ÒÑÓÐ1È˲ÎÓë
|
|
1£©±¾ÈËÔÚFindit²éѯµ½ÓÐÏÂÃæµÄÒ»¸öIIÐ͵ÄLa (C O3) (O H)£¬µ«Êdz¢ÊÔ¼ÆËã rietveldÄ£ÄâµÄʱºò£¬ÀÏÊÇ˵¿Õ¼äȺunusual space group£¬Çó½â£º *data for ICSD #4242 Coll Code 4242 Rec Date 1980/01/01 Mod Date 1999/01/19 Chem Name Dilanthanum Bis(carbonate) Dihydroxide Structured La2 (C O3)2 (O H)2 Sum C2 H2 La2 O8 ANX ABX4 Min Name Ancylite (Ce) D(calc) 4.59 Title The crystal structure of ancylite, (RE)x (Ca, Sr)2-x (C O3)2 (O H)x (2-x)(H2 O) Author(s) dal Negro, A.;Rossi, G.;Tazzoli, V. Reference American Mineralogist (1975), 60, 280-284 Unit Cell 5.03(1) 8.52(1) 7.29(1) 90. 90. 90. Vol 312.42 Z 2 Space Group P m c n SG Number 62 Cryst Sys orthorhombic Pearson oP28 Wyckoff d c4 R Value .059 Red Cell P 5.03 7.29 8.52 89.999 89.999 90 312.417 Trans Red 1.000 0.000 0.000 / 0.000 0.000 1.000 / 0.000 -1.000 0.000 Comments Compound with mineral name: Ancylite (Ce) The structure has been assigned a PDF number: 29-384 Calculated density unusual but tolerable. Position of 4 Elements of H Are Undetermined. Atom # OX SITE x y z SOF H La 1 +3 4 c 0.25 0.3399(1) 0.6476(1) 1. 0 C 1 +4 4 c 0.75 0.1905(14) 0.8099(18) 1. 0 O 1 -2 4 c 0.75 0.3181(12) 0.7210(16) 1. 0 O 2 -2 8 d 0.5297(14) 0.1218(8) 0.852(1) 1. 0 O 3 -2 4 c 0.25 0.4135(14) 0.9749(14) 1. H1 Lbl Type Beta11 Beta22 Beta33 Beta12 Beta13 Beta23 La1 La3+ 0.0083(3) 0.0025(1) 0.0039(1) 0 0 -.0002(1) C1 C4+ 0.0083(41) 0.0011(12) 0.0056(20) 0 0 0.0011(13) O1 O2- 0.0160(39) 0.0052(13) 0.0108(20) 0 0 0.0037(14) O2 O2- 0.0123(25) 0.0055(9) 0.0085(12) -.0017(13) 0.0008(15) 0.0006(8) O3 O2- 0.0318(52) 0.0093(16) 0.0063(16) 0 0 0.0038(14) *end for ICSD #4242 2£©»¹ÒªÇóÒ»¸öIÐÍ̼ËáïçLa (C O3) (O H)µÄ¾§Ìå½á¹¹¡¢Ô×ÓռλµÈ£¬Õâ¸öÔÚpdf¿¨Æ¬¿âͼÖÐÓë00-024-0815Æ¥Å䣬ΪHexagonal½á¹¹£¬Ï£Íû¿ÉÒÔÔÚfinditÀïÃæ²éµ½µÄ³æ×Ó°ïæ£¬Ð»Ð» ×¢£ºÈç¹ûȷʵÊÇÓÐÓ㬱¾È˽«Ô¸ÒâÔÙ¶à¼Ó100¸ö½ð±Ò×÷Ϊ³êл |
» ²ÂÄãϲ»¶
295Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
Ò»Ö¾Ô¸C9µÄ»¯Ñ§¹¤³Ì£¨085602£© 340·Ö£¬¸Ð¾õУÄÚµ÷¼ÁÎÞÍû£¬Çóµ÷¼Á
ÒѾÓÐ9È˻ظ´
070300»¯Ñ§Çóµ÷¼Á
ÒѾÓÐ16È˻ظ´
363Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
283·ÖÇóµ÷¼Á
ÒѾÓÐ3È˻ظ´
²ÄÁÏ»¯¹¤306·ÖÕÒºÏÊʵ÷¼Á
ÒѾÓÐ7È˻ظ´
Ò»Ö¾Ô¸±±¾©»¯¹¤085600 310·ÖÇóµ÷¼Á
ÒѾÓÐ4È˻ظ´
292Çóµ÷¼Á
ÒѾÓÐ9È˻ظ´
µ÷¼Á
ÒѾÓÐ4È˻ظ´
Ò»Ö¾Ô¸9²ÄÁÏѧ˶297ÒѹýÁù¼¶Çóµ÷¼ÁÍÆ¼ö
ÒѾÓÐ5È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
I & IIÐͽºÔµ°°×
ÒѾÓÐ20È˻ظ´
îæËáïçLa2Ce2O7µÄ¿Õ¼äȺ£¬ÎÚ¿Æ·ò×ø±ê£¬½û´ø¿í¶È£¬¾§¸ñ³£Êý
ÒѾÓÐ3È˻ظ´

jerkwin
ר¼Ò¹ËÎÊ (ÕýʽдÊÖ)
-

ר¼Ò¾Ñé: +14 - Ó¦Öú: 454 (˶ʿ)
- ½ð±Ò: 20699.1
- É¢½ð: 148
- ºì»¨: 81
- Ìû×Ó: 813
- ÔÚÏß: 2648.3Сʱ
- ³æºÅ: 1023452
- ×¢²á: 2010-05-19
- רҵ: ÀíÂۺͼÆË㻯ѧ
- ¹ÜϽ: ·Ö×ÓÄ£Äâ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
sunyang1988: ½ð±Ò+1, лл°ïÖú 2013-12-27 09:01:33
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
sunyang1988: ½ð±Ò+1, лл°ïÖú 2013-12-27 09:01:33
|
IIµÄcifÎļþÈçÏÂ, IµÄ2009°æ±¾²é²»µ½ data_4242-ICSD #?2009 by Fachinformationszentrum Karlsruhe, and the U.S. Secretary of #Commerce on behalf of the United States. All rights reserved. _database_code_ICSD 4242 _audit_creation_date 1980/01/01 _audit_update_record 1999/01/19 _chemical_name_systematic ; Dilanthanum Bis(carbonate) Dihydroxide ; _chemical_formula_structural 'La2 (C O3)2 (O H)2' _chemical_formula_sum 'C2 H2 La2 O8' _chemical_name_mineral Ancylite-(Ce) _publ_section_title ; The crystal structure of ancylite, (RE)x (Ca, Sr)2-x (C O3)2 (O H)x (2-x)(H2 O) ; loop_ _citation_id _citation_journal_abbrev _citation_year _citation_journal_volume _citation_page_first _citation_page_last _citation_journal_id_ASTM primary 'American Mineralogist' 1975 60 280 284 AMMIAY _publ_author_name ; dal Negro, A.;Rossi, G.;Tazzoli, V. ; _cell_length_a 5.03(1) _cell_length_b 8.52(1) _cell_length_c 7.29(1) _cell_angle_alpha 90. _cell_angle_beta 90. _cell_angle_gamma 90. _cell_volume 312.42 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P m c n' _symmetry_Int_Tables_number 62 _refine_ls_R_factor_all .059 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x, -y+.5, z+.5' 2 '-x+.5, y, z' 3 'x+.5, y+.5, -z+.5' 4 '-x, -y, -z' 5 '-x, y+.5, -z+.5' 6 'x+.5, -y, -z' 7 '-x+.5, -y+.5, z+.5' 8 'x, y, z' loop_ _atom_type_symbol _atom_type_oxidation_number C4+ 4 H1+ 1 La3+ 3 O2- -2 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 La1 La3+ 4 c 0.25 0.3399(1) 0.6476(1) 1. 0 C1 C4+ 4 c 0.75 0.1905(14) 0.8099(18) 1. 0 O1 O2- 4 c 0.75 0.3181(12) 0.7210(16) 1. 0 O2 O2- 8 d 0.5297(14) 0.1218(8) 0.852(1) 1. 0 O3 O2- 4 c 0.25 0.4135(14) 0.9749(14) 1. 1 #Position of 4 Elements of H Are Undetermined. #End of data_4242-ICSD |
2Â¥2013-12-26 23:45:40














»Ø¸´´ËÂ¥