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

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-523.630477
Energy at 298.15K-523.633431
HF Energy-523.630477
Nuclear repulsion energy 
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 B97D3/3-21G
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' 3394 3336 27.70      
2 A' 1747 1717 157.92      
3 A' 1360 1337 7.68      
4 A' 1224 1203 131.92      
5 A' 1161 1142 168.65      
6 A' 1044 1026 263.07      
7 A' 727 714 2.95      
8 A' 617 607 59.35      
9 A' 547 537 13.94      
10 A' 395 389 0.08      
11 A' 368 361 1.65      
12 A' 226 222 1.28      
13 A" 1180 1159 235.66      
14 A" 744 731 35.26      
15 A" 612 602 127.99      
16 A" 465 457 0.24      
17 A" 223 219 0.00      
18 A" 24 23 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 8028.1 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 7891.6 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 B97D3/3-21G
ABC
0.12085 0.08113 0.06677

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 0.589 0.000
C2 -0.315 -0.898 0.000
O3 0.840 -1.648 0.000
O4 -1.460 -1.334 0.000
F5 -1.045 1.363 0.000
F6 0.840 0.892 1.117
F7 0.840 0.892 -1.117
H8 0.589 -2.619 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54072.36002.46931.37281.37971.37973.2475
C21.54071.37751.22532.37562.40502.40501.9448
O32.36001.37752.32163.55252.77432.77431.0036
O42.46931.22532.32162.72863.39003.39002.4189
F51.37282.37563.55252.72862.24162.24164.3047
F61.37972.40502.77433.39002.24162.23383.6931
F71.37972.40502.77433.39002.24162.23383.6931
H83.24751.94481.00362.41894.30473.69313.6931

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 108.892 C1 C2 O4 124.519
C2 C1 F5 108.639 C2 C1 F6 110.105
C2 C1 F7 110.105 C2 O3 H8 111.254
O3 C2 O4 126.589 F5 C1 F6 109.650
F5 C1 F7 109.650 F6 C1 F7 108.682
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.776      
2 C 0.527      
3 O -0.514      
4 O -0.424      
5 F -0.250      
6 F -0.250      
7 F -0.250      
8 H 0.384      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.819 -2.113 0.000 2.266
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.454 -2.623 0.000
y -2.623 -29.735 0.000
z 0.000 0.000 -36.120
Traceless
 xyz
x -8.527 -2.623 0.000
y -2.623 9.052 0.000
z 0.000 0.000 -0.526
Polar
3z2-r2-1.051
x2-y2-11.720
xy-2.623
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.205 -0.094 0.000
y -0.094 4.014 0.000
z 0.000 0.000 2.387


<r2> (average value of r2) Å2
<r2> 171.797
(<r2>)1/2 13.107