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: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-526.141507
Energy at 298.15K-526.144776
HF Energy-524.585574
Nuclear repulsion energy337.085017
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/aug-cc-pVTZ
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' 3744 3568 113.26      
2 A' 1838 1752 247.62      
3 A' 1442 1374 54.33      
4 A' 1277 1216 119.35      
5 A' 1224 1167 231.18      
6 A' 1147 1093 301.11      
7 A' 804 767 2.42      
8 A' 668 637 67.31      
9 A' 593 565 8.59      
10 A' 427 407 0.07      
11 A' 393 374 2.14      
12 A' 239 228 1.16      
13 A" 1202 1146 288.21      
14 A" 791 754 32.03      
15 A" 603 575 95.27      
16 A" 510 486 1.82      
17 A" 246 235 0.11      
18 A" 36 34 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 8592.5 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 8187.8 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/aug-cc-pVTZ
ABC
0.12835 0.08359 0.06918

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.090 0.593 0.000
C2 -0.296 -0.904 0.000
O3 0.813 -1.646 0.000
O4 -1.430 -1.295 0.000
F5 -1.000 1.341 0.000
F6 0.813 0.884 1.084
F7 0.813 0.884 -1.084
H8 0.544 -2.576 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54592.35242.42391.32281.33461.33463.2008
C21.54591.33421.19952.35322.36682.36681.8708
O32.35241.33422.27013.49442.75242.75240.9680
O42.42391.19952.27012.67113.30963.30962.3528
F51.32282.35323.49442.67112.16122.16124.2104
F61.33462.36682.75243.30962.16122.16713.6356
F71.33462.36682.75243.30962.16122.16713.6356
H83.20081.87080.96802.35284.21043.63563.6356

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 109.307 C1 C2 O4 123.498
C2 C1 F5 109.986 C2 C1 F6 110.288
C2 C1 F7 110.288 C2 O3 H8 107.634
O3 C2 O4 127.194 F5 C1 F6 108.836
F5 C1 F7 108.836 F6 C1 F7 108.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability