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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-526.314702
Energy at 298.15K-526.317726
HF Energy-526.314702
Nuclear repulsion energy333.341171
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 PBEPBE/cc-pVDZ
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' 3574 3553 57.58      
2 A' 1818 1807 236.20      
3 A' 1374 1366 23.41      
4 A' 1224 1217 85.23      
5 A' 1168 1161 262.81      
6 A' 1108 1101 279.96      
7 A' 764 759 4.90      
8 A' 639 635 66.99      
9 A' 561 557 7.21      
10 A' 405 402 0.08      
11 A' 374 372 1.60      
12 A' 223 222 1.28      
13 A" 1145 1138 287.99      
14 A" 759 755 41.26      
15 A" 605 601 75.69      
16 A" 484 481 0.90      
17 A" 225 224 0.01      
18 A" 16 16 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 8231.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 8183.8 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 PBEPBE/cc-pVDZ
ABC
0.12554 0.08172 0.06771

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 0.594 0.000
C2 -0.295 -0.909 0.000
O3 0.823 -1.665 0.000
O4 -1.437 -1.317 0.000
F5 -1.020 1.354 0.000
F6 0.823 0.898 1.098
F7 0.823 0.898 -1.098
H8 0.508 -2.599 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.55042.37542.44421.34381.35601.35603.2202
C21.55041.35051.21192.37592.39172.39171.8716
O32.37541.35052.28663.53742.78802.78800.9858
O42.44421.21192.28662.70323.34923.34922.3292
F51.34382.37593.53742.70322.19372.19374.2382
F61.35602.39172.78803.34922.19372.19583.6786
F71.35602.39172.78803.34922.19372.19583.6786
H83.22021.87160.98582.32924.23823.67863.6786

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 109.746 C1 C2 O4 123.998
C2 C1 F5 110.148 C2 C1 F6 110.570
C2 C1 F7 110.570 C2 O3 H8 105.401
O3 C2 O4 126.257 F5 C1 F6 108.683
F5 C1 F7 108.683 F6 C1 F7 108.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.427      
2 C 0.075      
3 O -0.121      
4 O -0.175      
5 F -0.113      
6 F -0.129      
7 F -0.129      
8 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.975 -1.818 0.000 2.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.653 -2.528 0.000
y -2.528 -30.506 0.000
z 0.000 0.000 -36.019
Traceless
 xyz
x -7.391 -2.528 0.000
y -2.528 7.831 0.000
z 0.000 0.000 -0.440
Polar
3z2-r2-0.880
x2-y2-10.147
xy-2.528
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.674 -0.056 0.000
y -0.056 4.688 0.000
z 0.000 0.000 3.033


<r2> (average value of r2) Å2
<r2> 169.222
(<r2>)1/2 13.009