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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G
 hartrees
Energy at 0K-524.963151
Energy at 298.15K-524.966228
HF Energy-524.147147
Nuclear repulsion energy327.077923
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 MP2=FULL/6-31G
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' 3609 3429 88.17      
2 A' 1702 1617 147.19      
3 A' 1425 1354 32.49      
4 A' 1239 1178 54.16      
5 A' 1192 1133 244.16      
6 A' 1082 1028 324.47      
7 A' 748 710 7.27      
8 A' 630 599 65.38      
9 A' 558 530 14.97      
10 A' 405 385 0.80      
11 A' 387 368 2.73      
12 A' 241 229 0.98      
13 A" 1173 1114 256.44      
14 A" 739 702 29.99      
15 A" 598 569 183.11      
16 A" 466 443 0.04      
17 A" 241 229 0.09      
18 A" 41 39 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 8237.8 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 7826.8 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 MP2=FULL/6-31G
ABC
0.11863 0.08002 0.06604

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.086 0.580 0.000
C2 -0.302 -0.902 0.000
O3 0.843 -1.668 0.000
O4 -1.469 -1.328 0.000
F5 -1.054 1.377 0.000
F6 0.843 0.897 1.133
F7 0.843 0.897 -1.133
H8 0.631 -2.630 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53192.37162.46121.39071.39851.39853.2556
C21.53191.37671.24292.39982.41422.41421.9632
O32.37161.37672.33693.58682.80352.80350.9849
O42.46121.24292.33692.73603.40233.40232.4714
F51.39072.39983.58682.73602.26052.26054.3463
F61.39852.41422.80353.40232.26052.26533.7099
F71.39852.41422.80353.40232.26052.26533.7099
H83.25561.96320.98492.47144.34633.70993.7099

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 109.136 C1 C2 O4 124.665
C2 C1 F5 110.303 C2 C1 F6 110.859
C2 C1 F7 110.859 C2 O3 H8 111.386
O3 C2 O4 126.199 F5 C1 F6 108.279
F5 C1 F7 108.279 F6 C1 F7 108.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability