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jzwell

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[求助] 求解晶体 已有1人参与

求大神结晶体,按Pna21解出来的和粉末XRD不一样。
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  • 附件 1 : exp_2823.hkl
  • 2015-04-15 15:14:05, 53.92 K
  • 附件 2 : exp_2823.fcf
  • 2015-04-15 15:14:15, 29.3 K
  • 附件 3 : exp_2823.lst
  • 2015-04-15 15:30:09, 34.83 K

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2楼2015-04-15 16:31:53
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wang#zheng

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【答案】应助回帖

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jzwell: 金币+30 2015-04-17 08:56:21
你这对称性 极其高 按照你说的  解析不对





Bond precision: Zn- O = 0.0075 A Wavelength=0.71073
Cell: a=10.009(2) b=4.939(1) c=6.6545(13)
alpha=90 beta=90 gamma=90
Temperature:  293 K   
Calculated Reported
Volume 328.96(11)  328.95(11)
Space group P n a 21  ?  
Hall group P 2c -2n  ?  
Moiety formula O4 P Zn, Li  ?  
Sum formula Li O4 P Zn  C0 H0 Li N0 O4 P Zn  
Mr 167.30 167.28  
Dx,g cm-3 3.378 3.378  
Z 4 4  
Mu (mm-1) 7.785 7.785  
F000 320.0 320.0
F000' 321.70   
h,k,lmax 12,6,8 12,6,8
Nref 723[ 393] 631  
Tmin,Tmax   
Tmin'   
Correction method= Not given  
Data completeness= 1.61/0.87 Theta(max)= 26.980
R(reflections)= 0.0439( 573) wR2(reflections)= 0.1186( 631)
S = 1.048 Npar= 64

--------------------------------------------------------------------------------

The following ALERTS were generated. Each ALERT has the format
       test-name_ALERT_alert-type_alert-level.
Click on the hyperlinks for more details of the test.
--------------------------------------------------------------------------------Alert level A
SYMM001_ALERT_1_A  _symmetry_cell_setting is missing
            The cell setting should be one of the following
            *  triclinic
            *  monoclinic
            *  orthorhombic
            *  tetragonal
            *  rhombohedral
            *  trigonal
            *  hexagonal
            *  cubic
            The following tests will not be performed.
            SYMMS_01,SYMMS_02
EXPT005_ALERT_1_A  _exptl_crystal_description is missing
            Crystal habit description.
            The following tests will not be performed.
            CRYSR_01
PLAT078_ALERT_1_A No H-atoms, but _solution_hydrogens reported as        geom Check
PLAT079_ALERT_1_A No H-atoms, but _hydrogen_treatment reported as       mixed Check
PLAT122_ALERT_1_A No _symmetry_space_group_name_H-M Given ........     Please Do !
--------------------------------------------------------------------------------Alert level B
PLAT111_ALERT_2_B ADDSYM Detects (Pseudo) Centre of Symmetry .....        100 %Fit  
--------------------------------------------------------------------------------Alert level C
PLAT036_ALERT_1_C No s.u. Given for Flack Parameter ..............     Please Do !
PLAT041_ALERT_1_C Calc. and Reported SumFormula    Strings  Differ     Please Check
PLAT052_ALERT_1_C Info on Absorption Correction Method Not Given .     Please Do !
PLAT053_ALERT_1_C Minimum Crystal Dimension Missing (or Error) ...     Please Check
PLAT054_ALERT_1_C Medium  Crystal Dimension Missing (or Error) ...     Please Check
PLAT055_ALERT_1_C Maximum Crystal Dimension Missing (or Error) ...     Please Check
PLAT090_ALERT_3_C Poor Data / Parameter Ratio (Zmax > 18) ........       6.14 Note
3楼2015-04-15 19:56:04
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jzwell

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引用回帖:
3楼: Originally posted by wang#zheng at 2015-04-15 19:56:04
你这对称性 极其高 按照你说的  解析不对





Bond precision: Zn- O = 0.0075 A Wavelength=0.71073
Cell: a=10.009(2) b=4.939(1) c=6.6545(13)
alpha=90 beta=90 gamma=90
Temperature:  293 K    ...

您能帮我解一下吗?这个晶体挑选一块单晶测试XRD时显示是两种相,而单晶解析只得出其中一个相。
4楼2015-04-15 21:59:35
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