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

using model chemistry: PBEPBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-526.429379
Energy at 298.15K-526.432424
HF Energy-526.429379
Nuclear repulsion energy333.820488
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/6-311G*
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' 3594 3557 37.87      
2 A' 1814 1795 256.77      
3 A' 1369 1354 19.60      
4 A' 1218 1205 33.24      
5 A' 1160 1148 334.05      
6 A' 1104 1092 297.31      
7 A' 765 757 5.77      
8 A' 645 638 71.41      
9 A' 562 556 7.25      
10 A' 407 403 0.12      
11 A' 376 372 1.69      
12 A' 229 226 1.17      
13 A" 1125 1113 298.43      
14 A" 766 758 56.61      
15 A" 616 609 89.98      
16 A" 487 482 1.06      
17 A" 229 227 0.00      
18 A" 20 19 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 8242.6 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 8156.9 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/6-311G*
ABC
0.12594 0.08187 0.06789

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 0.594 0.000
C2 -0.297 -0.910 0.000
O3 0.821 -1.662 0.000
O4 -1.432 -1.316 0.000
F5 -1.019 1.353 0.000
F6 0.821 0.897 1.097
F7 0.821 0.897 -1.097
H8 0.534 -2.599 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.55172.37232.44071.34201.35411.35413.2242
C21.55171.34751.20612.37492.39102.39101.8828
O32.37231.34752.27973.53232.78462.78460.9801
O42.44071.20612.27972.70043.34343.34342.3478
F51.34202.37493.53232.70042.19042.19044.2463
F61.35412.39102.78463.34342.19042.19433.6758
F71.35412.39102.78463.34342.19042.19433.6758
H83.22421.88280.98012.34784.24633.67583.6758

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 109.621 C1 C2 O4 124.026
C2 C1 F5 110.101 C2 C1 F6 110.556
C2 C1 F7 110.556 C2 O3 H8 106.912
O3 C2 O4 126.352 F5 C1 F6 108.665
F5 C1 F7 108.665 F6 C1 F7 108.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.560      
2 C 0.227      
3 O -0.444      
4 O -0.259      
5 F -0.153      
6 F -0.167      
7 F -0.167      
8 H 0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.929 -1.971 0.000 2.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.664 -2.589 0.000
y -2.589 -30.516 0.000
z 0.000 0.000 -36.618
Traceless
 xyz
x -8.098 -2.589 0.000
y -2.589 8.625 0.000
z 0.000 0.000 -0.528
Polar
3z2-r2-1.056
x2-y2-11.149
xy-2.589
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.858 -0.054 0.000
y -0.054 4.775 0.000
z 0.000 0.000 3.171


<r2> (average value of r2) Å2
<r2> 169.213
(<r2>)1/2 13.008