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

using model chemistry: MP2=FULL/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=FULL/6-31G**
 hartrees
Energy at 0K-525.519271
Energy at 298.15K-525.522530
HF Energy-524.374513
Nuclear repulsion energy336.103931
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=FULL/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' 3815 3565 96.73      
2 A' 1877 1754 204.19      
3 A' 1481 1384 48.24      
4 A' 1316 1230 153.16      
5 A' 1255 1173 191.33      
6 A' 1168 1091 313.08      
7 A' 809 756 3.97      
8 A' 666 622 73.28      
9 A' 593 554 10.07      
10 A' 427 399 0.11      
11 A' 397 371 2.40      
12 A' 241 226 1.14      
13 A" 1255 1172 282.48      
14 A" 791 739 38.15      
15 A" 624 584 113.97      
16 A" 505 472 0.58      
17 A" 244 228 0.08      
18 A" 34 32 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 8749.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 8175.2 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=FULL/6-31G**
ABC
0.12681 0.08362 0.06907

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.588 0.000
C2 -0.296 -0.894 0.000
O3 0.819 -1.643 0.000
O4 -1.437 -1.299 0.000
F5 -1.007 1.352 0.000
F6 0.819 0.876 1.091
F7 0.819 0.876 -1.091
H8 0.532 -2.570 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53072.34702.42561.33511.34471.34473.1891
C21.53071.34291.21052.35582.35972.35971.8695
O32.34701.34292.28183.50712.74502.74500.9712
O42.42561.21052.28182.68523.31823.31822.3436
F51.33512.35583.50712.68522.17962.17964.2132
F61.34472.35972.74503.31822.17962.18203.6266
F71.34472.35972.74503.31822.17962.18203.6266
H83.18911.86950.97122.34364.21323.62663.6266

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 109.350 C1 C2 O4 124.052
C2 C1 F5 110.390 C2 C1 F6 110.128
C2 C1 F7 110.128 C2 O3 H8 106.677
O3 C2 O4 126.599 F5 C1 F6 108.851
F5 C1 F7 108.851 F6 C1 F7 108.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability