![[HTML version]](/e/graphics/htmlborder.gif)
![[PDF version]](/e/graphics/pdfborder.gif)
![[Article Abstract]](/e/graphics/abstractborder.gif)
![[CIF]](/e/graphics/cifborder.gif)
![[3d view]](/e/graphics/3dviewborder.gif)
![[Structure Factors]](/e/graphics/structurefactorsborder.gif)
![[Buy article online]](/logos/buy.gif)
![[Contents scheme]](hg6001contents.gif)
Acta Cryst. (2004). E60, o107-o108 [ doi:10.1107/S1600536803025455 ]
Dimethyl(2-trimethylsilylethyl)[(2-trimethylsilylethyl)dimethylammonio]ammonium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate at 130 K
K. Hassall and J. White
Online 19 December 2003
Key indicators
- Single-crystal X-ray study
- T = 130 K
- Mean
(C-C) = 0.003 Å
- R factor = 0.046
- wR factor = 0.126
- Data-to-parameter ratio = 11.9
checkCIF/PLATON results
No syntax errors found
Alert level A
PLAT220_ALERT_2_A Large Non-Solvent F Ueq(max)/Ueq(min) ... 7.56 Ratio
| Author Response: trifluoromethyl groups often have high thermal motion
|
PLAT242_ALERT_2_A Check Low U(eq) as Compared to Neighbors .... C15
| Author Response: C15 is the pivot atom for a disordered trifluoromethyl group
|
PLAT353_ALERT_3_A Long N-H Bond (0.87A) N - H = 1.35 Ang.
| Author Response: Strong intermolecular hydrogen bond
|
PLAT771_ALERT_2_A Suspect N-H Bond in CIF N - H = 1.35 Ang.
| Author Response: Strong intermolecular hydrogen bond
|
Alert level B
PLAT213_ALERT_2_B Atom F8' has ADP max/min Ratio ............. 4.60 prolat
PLAT301_ALERT_3_B Main Residue Disorder ......................... 27.00 Perc.
Alert level C
ABSTM02_ALERT_3_C The ratio of expected to reported Tmax/Tmin(RR') is < 0.90
Tmin and Tmax reported: 0.776 0.970
Tmin' and Tmax expected: 0.946 0.973
RR' = 0.823
Please check that your absorption correction is appropriate.
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ .... ?
PLAT061_ALERT_3_C Tmax/Tmin Range Test RR' too Large ............. 0.82
PLAT213_ALERT_2_C Atom F1 has ADP max/min Ratio ............. 3.10 prolat
PLAT213_ALERT_2_C Atom F8 has ADP max/min Ratio ............. 3.20 prolat
PLAT213_ALERT_2_C Atom F9 has ADP max/min Ratio ............. 3.50 prolat
PLAT213_ALERT_2_C Atom F7' has ADP max/min Ratio ............. 3.90 prolat
PLAT213_ALERT_2_C Atom F9' has ADP max/min Ratio ............. 3.10 prolat
PLAT242_ALERT_2_C Check Low U(eq) as Compared to Neighbors .... C7
| Author Response: C15 is the pivot atom for a disordered trifluoromethyl group
|
PLAT242_ALERT_2_C Check Low U(eq) as Compared to Neighbors .... C8
| Author Response: C15 is the pivot atom for a disordered trifluoromethyl group
|
PLAT242_ALERT_2_C Check Low U(eq) as Compared to Neighbors .... C16
| Author Response: C15 is the pivot atom for a disordered trifluoromethyl group
|
PLAT242_ALERT_2_C Check Low U(eq) as Compared to Neighbors .... Si1
| Author Response: C15 is the pivot atom for a disordered trifluoromethyl group
|
PLAT420_ALERT_2_C D-H Without Acceptor N - H ... ?
PLAT432_ALERT_2_C Short Inter X...Y Contact C5 .. F6' = 2.88 Ang.
PLAT432_ALERT_2_C Short Inter X...Y Contact C22 .. F4' = 2.96 Ang.
PLAT751_ALERT_4_C Bond Calc 1.34739, Rep 1.3474(19) ...... Senseless su
N -H 1.555 1.555
PLAT752_ALERT_4_C Angle Calc 105.24, Rep 105.24(16) ...... Senseless su
C20 -N -H 1.555 1.555 1.555
PLAT752_ALERT_4_C Angle Calc 106.82, Rep 106.82(17) ...... Senseless su
C19 -N -H 1.555 1.555 1.555
PLAT752_ALERT_4_C Angle Calc 109.92, Rep 109.93(15) ...... Senseless su
C18 -N -H 1.555 1.555 1.555
4 ALERT level A = In general: serious problem
2 ALERT level B = Potentially serious problem
19 ALERT level C = Check and explain
0 ALERT level G = General alerts; check
1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
16 ALERT type 2 Indicator that the structure model may be wrong or deficient
4 ALERT type 3 Indicator that the structure quality may be low
4 ALERT type 4 Improvement, methodology, query or suggestion
Copyright © International Union of Crystallography
IUCr Webmaster