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

using model chemistry: mPW1PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/TZVP
 hartrees
Energy at 0K-526.876689
Energy at 298.15K-526.879975
HF Energy-526.876689
Nuclear repulsion energy337.673198
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 mPW1PW91/TZVP
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' 3800 3625 100.34      
2 A' 1903 1815 309.45      
3 A' 1434 1368 41.91      
4 A' 1280 1221 131.60      
5 A' 1224 1168 253.59      
6 A' 1166 1112 320.87      
7 A' 810 773 3.50      
8 A' 681 649 77.14      
9 A' 597 569 8.76      
10 A' 431 411 0.08      
11 A' 393 375 1.94      
12 A' 243 232 1.23      
13 A" 1206 1151 318.96      
14 A" 799 762 43.64      
15 A" 605 577 106.43      
16 A" 516 492 3.89      
17 A" 247 235 0.06      
18 A" 34 32 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 8682.5 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 8283.1 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 mPW1PW91/TZVP
ABC
0.12948 0.08334 0.06922

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 0.594 0.000
C2 -0.291 -0.908 0.000
O3 0.809 -1.653 0.000
O4 -1.414 -1.302 0.000
F5 -1.004 1.339 0.000
F6 0.809 0.892 1.082
F7 0.809 0.892 -1.082
H8 0.542 -2.582 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54852.35952.41871.32201.33391.33393.2085
C21.54851.32831.19082.35752.37002.37001.8704
O32.35951.32832.25083.49852.76482.76480.9670
O42.41871.19082.25082.67283.30523.30522.3385
F51.32202.35753.49852.67282.15822.15824.2155
F61.33392.37002.76483.30522.15822.16383.6482
F71.33392.37002.76483.30522.15822.16383.6482
H83.20851.87040.96702.33854.21553.64823.6482

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 109.973 C1 C2 O4 123.478
C2 C1 F5 110.177 C2 C1 F6 110.400
C2 C1 F7 110.400 C2 O3 H8 108.122
O3 C2 O4 126.549 F5 C1 F6 108.704
F5 C1 F7 108.704 F6 C1 F7 108.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.420      
2 C 0.166      
3 O -0.241      
4 O -0.256      
5 F -0.124      
6 F -0.138      
7 F -0.138      
8 H 0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.053 -2.065 0.000 2.318
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.425 -2.757 0.000
y -2.757 -30.900 0.000
z 0.000 0.000 -37.019
Traceless
 xyz
x -8.465 -2.757 0.000
y -2.757 8.822 0.000
z 0.000 0.000 -0.357
Polar
3z2-r2-0.714
x2-y2-11.525
xy-2.757
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.169 0.021 0.000
y 0.021 4.799 0.000
z 0.000 0.000 3.520


<r2> (average value of r2) Å2
<r2> 166.571
(<r2>)1/2 12.906