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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-525.582235
Energy at 298.15K-525.585507
HF Energy-524.404329
Nuclear repulsion energy335.980108
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/cc-pVDZ
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' 3764 3586 100.97      
2 A' 1872 1783 215.94      
3 A' 1470 1401 51.98      
4 A' 1303 1241 143.93      
5 A' 1247 1188 227.53      
6 A' 1165 1109 324.01      
7 A' 804 766 3.65      
8 A' 672 640 72.32      
9 A' 597 568 9.37      
10 A' 429 409 0.18      
11 A' 397 378 2.05      
12 A' 238 227 1.11      
13 A" 1236 1178 313.21      
14 A" 796 758 34.35      
15 A" 616 587 102.00      
16 A" 512 488 1.28      
17 A" 244 233 0.08      
18 A" 29 28 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 8695.7 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 8282.7 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/cc-pVDZ
ABC
0.12732 0.08320 0.06879

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 0.590 0.000
C2 -0.296 -0.900 0.000
O3 0.818 -1.650 0.000
O4 -1.435 -1.303 0.000
F5 -1.006 1.350 0.000
F6 0.818 0.884 1.088
F7 0.818 0.884 -1.088
H8 0.511 -2.576 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53922.35652.43061.33221.34241.34243.1943
C21.53921.34341.20852.35912.36802.36801.8603
O32.35651.34342.28023.51122.75792.75790.9749
O42.43061.20852.28022.68763.32343.32342.3260
F51.33222.35913.51122.68762.17432.17434.2087
F61.34242.36802.75793.32342.17432.17603.6396
F71.34242.36802.75793.32342.17432.17603.6396
H83.19431.86030.97492.32604.20873.63963.6396

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 109.480 C1 C2 O4 123.964
C2 C1 F5 110.284 C2 C1 F6 110.335
C2 C1 F7 110.335 C2 O3 H8 105.623
O3 C2 O4 126.556 F5 C1 F6 108.771
F5 C1 F7 108.771 F6 C1 F7 108.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability