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All results from a given calculation for CF3COOH (trifluoroacetic acid)

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-524.288598
Energy at 298.15K 
HF Energy-524.288598
Nuclear repulsion energy338.149879
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at LSDA/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3637 3569 70.08      
2 A' 1879 1844 231.48      
3 A' 1433 1406 30.10      
4 A' 1298 1274 198.52      
5 A' 1212 1190 151.34      
6 A' 1146 1125 236.38      
7 A' 803 788 3.95      
8 A' 647 635 75.90      
9 A' 578 567 11.95      
10 A' 414 406 0.03      
11 A' 382 375 2.63      
12 A' 223 219 1.40      
13 A" 1236 1213 264.32      
14 A" 776 762 43.61      
15 A" 624 612 92.42      
16 A" 491 482 0.98      
17 A" 220 216 0.00      
18 A" 10i 9i 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 8494.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 8335.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at LSDA/6-31G**
ABC
0.12880 0.08443 0.06979

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 0.590 0.000
C2 -0.288 -0.890 0.000
O3 0.813 -1.637 0.000
O4 -1.423 -1.295 0.000
F5 -1.006 1.333 0.000
F6 0.813 0.880 1.082
F7 0.813 0.880 -1.082
H8 0.509 -2.572 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.52712.34132.41631.32311.33411.33413.1900
C21.52711.33031.20492.33592.34852.34851.8616
O32.34131.33032.26173.48232.73902.73900.9838
O42.41631.20492.26172.66103.30163.30162.3157
F51.32312.33593.48232.66102.16472.16474.1888
F61.33412.34852.73903.30162.16472.16423.6303
F71.33412.34852.73903.30162.16472.16423.6303
H83.19001.86160.98382.31574.18883.63033.6303

picture of trifluoroacetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 109.853 C1 C2 O4 123.942
C2 C1 F5 109.874 C2 C1 F6 110.149
C2 C1 F7 110.149 C2 O3 H8 106.145
O3 C2 O4 126.205 F5 C1 F6 109.110
F5 C1 F7 109.110 F6 C1 F7 108.417
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.613      
2 C 0.369      
3 O -0.419      
4 O -0.369      
5 F -0.176      
6 F -0.186      
7 F -0.186      
8 H 0.355      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.093 -1.744 0.000 2.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.603 -2.662 0.000
y -2.662 -29.743 0.000
z 0.000 0.000 -35.691
Traceless
 xyz
x -7.886 -2.662 0.000
y -2.662 8.404 0.000
z 0.000 0.000 -0.518
Polar
3z2-r2-1.036
x2-y2-10.860
xy-2.662
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.675 -0.033 0.000
y -0.033 4.655 0.000
z 0.000 0.000 3.042


<r2> (average value of r2) Å2
<r2> 164.675
(<r2>)1/2 12.833