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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-526.815697
Energy at 298.15K-526.818908
HF Energy-526.815697
Nuclear repulsion energy338.029205
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 B1B95/6-311G*
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' 3762 3606 65.35      
2 A' 1908 1829 298.61      
3 A' 1442 1382 40.18      
4 A' 1283 1230 92.33      
5 A' 1232 1181 299.33      
6 A' 1170 1121 328.16      
7 A' 807 774 4.92      
8 A' 672 644 83.34      
9 A' 590 566 9.82      
10 A' 427 409 0.09      
11 A' 390 374 2.19      
12 A' 231 221 1.18      
13 A" 1210 1160 316.77      
14 A" 801 768 53.56      
15 A" 624 598 112.85      
16 A" 509 488 1.25      
17 A" 236 226 0.02      
18 A" 24 23 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 8658.7 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 8300.2 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 B1B95/6-311G*
ABC
0.12932 0.08385 0.06951

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.590 0.000
C2 -0.291 -0.901 0.000
O3 0.810 -1.645 0.000
O4 -1.415 -1.299 0.000
F5 -1.006 1.336 0.000
F6 0.810 0.887 1.081
F7 0.810 0.887 -1.081
H8 0.545 -2.575 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53842.34912.41261.32371.33461.33463.1981
C21.53841.32901.19162.34892.36282.36281.8711
O32.34911.32902.25153.49112.75402.75400.9671
O42.41261.19162.25152.66613.30133.30132.3387
F51.32372.34893.49112.66612.16112.16114.2078
F61.33462.36282.75403.30132.16112.16293.6375
F71.33462.36282.75403.30132.16112.16293.6375
H83.19811.87110.96712.33874.20783.63753.6375

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 109.808 C1 C2 O4 123.705
C2 C1 F5 110.087 C2 C1 F6 110.455
C2 C1 F7 110.455 C2 O3 H8 108.126
O3 C2 O4 126.488 F5 C1 F6 108.768
F5 C1 F7 108.768 F6 C1 F7 108.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.627      
2 C 0.276      
3 O -0.484      
4 O -0.290      
5 F -0.175      
6 F -0.189      
7 F -0.189      
8 H 0.424      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.963 -2.060 0.000 2.274
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.726 -2.651 0.000
y -2.651 -30.235 0.000
z 0.000 0.000 -36.443
Traceless
 xyz
x -8.388 -2.651 0.000
y -2.651 8.849 0.000
z 0.000 0.000 -0.462
Polar
3z2-r2-0.924
x2-y2-11.491
xy-2.651
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.586 -0.022 0.000
y -0.022 4.366 0.000
z 0.000 0.000 3.005


<r2> (average value of r2) Å2
<r2> 165.644
(<r2>)1/2 12.870