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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-525.038539
Energy at 298.15K-525.041388
HF Energy-524.262412
Nuclear repulsion energy323.566830
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/SDD
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' 3622 3496 100.80      
2 A' 1652 1595 195.76      
3 A' 1367 1320 28.65      
4 A' 1181 1140 73.90      
5 A' 1085 1047 239.49      
6 A' 1030 995 334.30      
7 A' 709 684 11.82      
8 A' 599 578 65.07      
9 A' 531 513 13.78      
10 A' 382 369 1.04      
11 A' 366 353 3.27      
12 A' 227 219 1.13      
13 A" 1056 1019 284.92      
14 A" 718 693 44.95      
15 A" 577 557 175.93      
16 A" 445 430 0.01      
17 A" 234 226 0.11      
18 A" 37 36 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 7908.9 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 7634.5 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/SDD
ABC
0.11681 0.07785 0.06438

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.085 0.580 0.000
C2 -0.313 -0.927 0.000
O3 0.849 -1.683 0.000
O4 -1.486 -1.353 0.000
F5 -1.056 1.402 0.000
F6 0.849 0.912 1.141
F7 0.849 0.912 -1.141
H8 0.673 -2.656 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.55922.38902.49101.40591.41321.41323.2899
C21.55921.38671.24752.44442.45682.45681.9909
O32.38901.38672.35833.62572.83462.83460.9893
O42.49101.24752.35832.78803.44743.44742.5220
F51.40592.44443.62572.78802.27472.27474.4113
F61.41322.45682.83463.44742.27472.28293.7503
F71.41322.45682.83463.44742.27472.28293.7503
H83.28991.99090.98932.52204.41133.75033.7503

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 108.235 C1 C2 O4 124.757
C2 C1 F5 110.948 C2 C1 F6 111.392
C2 C1 F7 111.392 C2 O3 H8 112.774
O3 C2 O4 127.008 F5 C1 F6 107.590
F5 C1 F7 107.590 F6 C1 F7 107.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability