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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-526.740685
Energy at 298.15K-526.743915
HF Energy-526.740685
Nuclear repulsion energy337.095669
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 B3PW91/6-311G*
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' 3751 3611 62.44      
2 A' 1894 1823 295.30      
3 A' 1432 1379 35.01      
4 A' 1276 1228 59.03      
5 A' 1224 1179 333.48      
6 A' 1162 1118 327.36      
7 A' 802 772 5.27      
8 A' 672 647 81.30      
9 A' 589 567 8.74      
10 A' 426 410 0.07      
11 A' 390 376 2.03      
12 A' 237 228 1.22      
13 A" 1196 1151 314.22      
14 A" 801 771 56.23      
15 A" 625 602 110.75      
16 A" 509 490 1.29      
17 A" 241 232 0.01      
18 A" 28 27 1.47      

Unscaled Zero Point Vibrational Energy (zpe) 8627.6 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 8305.8 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 B3PW91/6-311G*
ABC
0.12880 0.08323 0.06908

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.592 0.000
C2 -0.292 -0.905 0.000
O3 0.811 -1.652 0.000
O4 -1.417 -1.305 0.000
F5 -1.008 1.341 0.000
F6 0.811 0.891 1.085
F7 0.811 0.891 -1.085
H8 0.543 -2.582 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54342.35742.42001.32701.33821.33823.2067
C21.54341.33221.19382.35752.37002.37001.8740
O32.35741.33222.25463.50272.76432.76430.9685
O42.42001.19382.25462.67753.31073.31072.3394
F51.32702.35753.50272.67752.16562.16564.2193
F61.33822.37002.76433.31072.16562.16923.6486
F71.33822.37002.76433.31072.16562.16923.6486
H83.20671.87400.96852.33944.21933.64863.6486

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 109.910 C1 C2 O4 123.785
C2 C1 F5 110.199 C2 C1 F6 110.464
C2 C1 F7 110.464 C2 O3 H8 108.041
O3 C2 O4 126.305 F5 C1 F6 108.686
F5 C1 F7 108.686 F6 C1 F7 108.285
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.649      
2 C 0.281      
3 O -0.489      
4 O -0.297      
5 F -0.180      
6 F -0.194      
7 F -0.194      
8 H 0.425      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.974 -2.045 0.000 2.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.830 -2.670 0.000
y -2.670 -30.296 0.000
z 0.000 0.000 -36.506
Traceless
 xyz
x -8.429 -2.670 0.000
y -2.670 8.872 0.000
z 0.000 0.000 -0.443
Polar
3z2-r2-0.885
x2-y2-11.534
xy-2.670
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.610 -0.020 0.000
y -0.020 4.389 0.000
z 0.000 0.000 3.025


<r2> (average value of r2) Å2
<r2> 166.559
(<r2>)1/2 12.906