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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-526.589389
Energy at 298.15K-526.592558
HF Energy-526.589389
Nuclear repulsion energy336.514082
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3716 3555 78.03      
2 A' 1905 1822 261.69      
3 A' 1449 1386 31.62      
4 A' 1302 1246 131.46      
5 A' 1240 1186 222.26      
6 A' 1171 1120 304.93      
7 A' 805 770 4.13      
8 A' 666 637 77.24      
9 A' 587 561 8.94      
10 A' 423 404 0.02      
11 A' 389 372 2.08      
12 A' 234 224 1.31      
13 A" 1236 1183 279.25      
14 A" 791 757 46.49      
15 A" 622 595 104.38      
16 A" 502 480 0.90      
17 A" 235 225 0.02      
18 A" 22 21 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 8646.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 8271.8 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 B3PW91/6-31G*
ABC
0.12808 0.08316 0.06894

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 0.594 0.000
C2 -0.291 -0.901 0.000
O3 0.814 -1.653 0.000
O4 -1.422 -1.305 0.000
F5 -1.010 1.344 0.000
F6 0.814 0.888 1.087
F7 0.814 0.888 -1.087
H8 0.524 -2.584 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54232.36152.42621.32931.34001.34003.2076
C21.54231.33681.20112.35712.36722.36721.8699
O32.36151.33682.26323.50822.76372.76370.9748
O42.42621.20112.26322.68083.31533.31532.3290
F51.32932.35713.50822.68082.17162.17164.2166
F61.34002.36722.76373.31532.17162.17433.6494
F71.34002.36722.76373.31532.17162.17433.6494
H83.20761.86990.97482.32904.21663.64943.6494

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 110.008 C1 C2 O4 123.881
C2 C1 F5 110.113 C2 C1 F6 110.230
C2 C1 F7 110.230 C2 O3 H8 106.946
O3 C2 O4 126.111 F5 C1 F6 108.888
F5 C1 F7 108.888 F6 C1 F7 108.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.805      
2 C 0.477      
3 O -0.554      
4 O -0.425      
5 F -0.242      
6 F -0.251      
7 F -0.251      
8 H 0.441      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.044 -1.802 0.000 2.082
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.904 -2.621 0.000
y -2.621 -29.869 0.000
z 0.000 0.000 -35.755
Traceless
 xyz
x -8.092 -2.621 0.000
y -2.621 8.460 0.000
z 0.000 0.000 -0.368
Polar
3z2-r2-0.736
x2-y2-11.034
xy-2.621
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.589 -0.009 0.000
y -0.009 4.433 0.000
z 0.000 0.000 2.989


<r2> (average value of r2) Å2
<r2> 166.460
(<r2>)1/2 12.902