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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-525.496180
Energy at 298.15K-525.499418
HF Energy-524.373945
Nuclear repulsion energy335.704931
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 MP2/6-31G**
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' 3813 3570 96.50      
2 A' 1872 1753 203.16      
3 A' 1478 1385 47.71      
4 A' 1314 1230 150.34      
5 A' 1253 1174 193.48      
6 A' 1165 1091 314.91      
7 A' 807 755 3.96      
8 A' 664 622 73.21      
9 A' 592 554 10.02      
10 A' 426 399 0.11      
11 A' 396 371 2.39      
12 A' 241 226 1.13      
13 A" 1252 1173 282.71      
14 A" 787 737 38.10      
15 A" 623 583 113.76      
16 A" 503 471 0.58      
17 A" 241 226 0.08      
18 A" 30 28 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 8728.5 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 8174.2 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 MP2/6-31G**
ABC
0.12656 0.08339 0.06889

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 0.588 0.000
C2 -0.296 -0.896 0.000
O3 0.820 -1.646 0.000
O4 -1.438 -1.301 0.000
F5 -1.009 1.353 0.000
F6 0.820 0.878 1.092
F7 0.820 0.878 -1.092
H8 0.531 -2.573 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53282.35072.42821.33661.34621.34623.1926
C21.53281.34451.21152.35832.36322.36321.8705
O32.35071.34452.28393.51162.75012.75010.9718
O42.42821.21152.28392.68763.32233.32232.3444
F51.33662.35833.51162.68762.18192.18194.2169
F61.34622.36322.75013.32232.18192.18423.6319
F71.34622.36322.75013.32232.18192.18423.6319
H83.19261.87050.97182.34444.21693.63193.6319

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 109.393 C1 C2 O4 124.037
C2 C1 F5 110.359 C2 C1 F6 110.169
C2 C1 F7 110.169 C2 O3 H8 106.604
O3 C2 O4 126.570 F5 C1 F6 108.833
F5 C1 F7 108.833 F6 C1 F7 108.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability