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

using model chemistry: B1B95/STO-3G

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/STO-3G
 hartrees
Energy at 0K-519.317040
Energy at 298.15K-519.319362
HF Energy-519.317040
Nuclear repulsion energy321.600278
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/STO-3G
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' 3728 3291 11.69      
2 A' 1902 1680 61.03      
3 A' 1471 1299 5.49      
4 A' 1336 1179 72.09      
5 A' 1211 1069 92.87      
6 A' 1124 993 151.14      
7 A' 757 669 2.10      
8 A' 589 520 53.01      
9 A' 528 466 11.39      
10 A' 372 328 0.15      
11 A' 328 290 1.94      
12 A' 172 151 0.33      
13 A" 1301 1149 122.59      
14 A" 682 602 18.38      
15 A" 616 544 65.75      
16 A" 440 389 0.28      
17 A" 198 175 0.01      
18 A" 19 17 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 8386.3 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 7405.1 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/STO-3G
ABC
0.11812 0.07522 0.06259

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 0.630 0.000
C2 -0.323 -0.944 0.000
O3 0.852 -1.718 0.000
O4 -1.478 -1.408 0.000
F5 -1.052 1.415 0.000
F6 0.852 0.935 1.133
F7 0.852 0.935 -1.133
H8 0.488 -2.676 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.62932.46682.57591.39171.39501.39503.3298
C21.62931.40791.24422.46892.48882.48881.9134
O32.46681.40792.35073.66672.88442.88441.0251
O42.57591.24422.35072.85513.49303.49302.3397
F51.39172.46893.66672.85512.26752.26754.3720
F61.39502.48882.88443.49302.26752.26513.8019
F71.39502.48882.88443.49302.26752.26513.8019
H83.32981.91341.02512.33974.37203.80193.8019

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 108.407 C1 C2 O4 126.872
C2 C1 F5 109.370 C2 C1 F6 110.522
C2 C1 F7 110.522 C2 O3 H8 102.567
O3 C2 O4 124.721 F5 C1 F6 108.916
F5 C1 F7 108.916 F6 C1 F7 108.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.288      
2 C 0.186      
3 O -0.216      
4 O -0.200      
5 F -0.091      
6 F -0.092      
7 F -0.092      
8 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.580 -1.228 0.000 1.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.334 -1.412 0.000
y -1.412 -27.538 0.000
z 0.000 0.000 -31.956
Traceless
 xyz
x -6.587 -1.412 0.000
y -1.412 6.607 0.000
z 0.000 0.000 -0.020
Polar
3z2-r2-0.041
x2-y2-8.796
xy-1.412
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.097 -0.011 0.000
y -0.011 3.340 0.000
z 0.000 0.000 1.587


<r2> (average value of r2) Å2
<r2> 178.406
(<r2>)1/2 13.357