return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD(T)=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-526.011173
Energy at 298.15K-526.014418
HF Energy-524.571624
Nuclear repulsion energy336.488809
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 CCSD(T)=FULL/TZVP
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' 3778 3612        
2 A' 1861 1779        
3 A' 1437 1374        
4 A' 1294 1237        
5 A' 1240 1186        
6 A' 1153 1102        
7 A' 805 770        
8 A' 677 648        
9 A' 598 571        
10 A' 431 412        
11 A' 393 376        
12 A' 240 230        
13 A" 1222 1168        
14 A" 777 743        
15 A" 581 555        
16 A" 510 487        
17 A" 246 236        
18 A" 27 26        

Unscaled Zero Point Vibrational Energy (zpe) 8635.5 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 8255.6 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 CCSD(T)=FULL/TZVP
ABC
0.12827 0.08302 0.06882

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 0.593 0.000
C2 -0.296 -0.906 0.000
O3 0.814 -1.658 0.000
O4 -1.429 -1.300 0.000
F5 -1.001 1.350 0.000
F6 0.814 0.888 1.085
F7 0.814 0.888 -1.085
H8 0.527 -2.585 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54702.36482.42631.32731.33801.33803.2080
C21.54701.34091.19962.36332.37182.37181.8703
O32.36481.34092.27103.51332.76762.76760.9703
O42.42631.19962.27102.68453.31573.31572.3401
F51.32732.36333.51332.68452.16452.16454.2214
F61.33802.37182.76763.31572.16452.17063.6498
F71.33802.37182.76763.31572.16452.17063.6498
H83.20801.87030.97032.34014.22143.64983.6498

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 109.737 C1 C2 O4 123.612
C2 C1 F5 110.379 C2 C1 F6 110.382
C2 C1 F7 110.382 C2 O3 H8 106.952
O3 C2 O4 126.651 F5 C1 F6 108.610
F5 C1 F7 108.610 F6 C1 F7 108.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability