return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBEPBE/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-526.490689
Energy at 298.15K-526.493751
HF Energy-526.490689
Nuclear repulsion energy333.957756
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-pVTZ
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' 3617 3592 63.41      
2 A' 1801 1789 250.38      
3 A' 1359 1350 20.30      
4 A' 1207 1199 61.30      
5 A' 1151 1143 279.00      
6 A' 1096 1088 277.75      
7 A' 766 761 3.43      
8 A' 642 637 65.62      
9 A' 562 558 6.80      
10 A' 405 402 0.06      
11 A' 373 371 1.67      
12 A' 228 227 1.30      
13 A" 1118 1110 274.38      
14 A" 760 755 41.22      
15 A" 595 591 77.33      
16 A" 487 483 1.61      
17 A" 231 229 0.01      
18 A" 27 27 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 8212.5 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 8155.8 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-pVTZ
ABC
0.12619 0.08183 0.06789

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.595 0.000
C2 -0.297 -0.911 0.000
O3 0.820 -1.664 0.000
O4 -1.433 -1.315 0.000
F5 -1.015 1.355 0.000
F6 0.820 0.896 1.096
F7 0.820 0.896 -1.096
H8 0.526 -2.598 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.55482.37552.44151.33921.35251.35253.2234
C21.55481.34771.20532.37742.39102.39101.8770
O32.37551.34772.28013.53372.78512.78510.9793
O42.44151.20532.28012.70273.34183.34182.3414
F51.33922.37743.53372.70272.18692.18694.2431
F61.35252.39102.78513.34182.18692.19223.6739
F71.35252.39102.78513.34182.18692.19223.6739
H83.22341.87700.97932.34144.24313.67393.6739

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 109.653 C1 C2 O4 123.900
C2 C1 F5 110.245 C2 C1 F6 110.456
C2 C1 F7 110.456 C2 O3 H8 106.461
O3 C2 O4 126.447 F5 C1 F6 108.674
F5 C1 F7 108.674 F6 C1 F7 108.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.441      
2 C 0.136      
3 O -0.201      
4 O -0.225      
5 F -0.111      
6 F -0.131      
7 F -0.131      
8 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.048 -1.834 0.000 2.112
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.476 -2.677 0.000
y -2.677 -31.017 0.000
z 0.000 0.000 -36.685
Traceless
 xyz
x -7.625 -2.677 0.000
y -2.677 8.064 0.000
z 0.000 0.000 -0.439
Polar
3z2-r2-0.878
x2-y2-10.460
xy-2.677
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.402 -0.025 0.000
y -0.025 5.424 0.000
z 0.000 0.000 3.782


<r2> (average value of r2) Å2
<r2> 169.245
(<r2>)1/2 13.009