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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


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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

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