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

using model chemistry: MP4=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 MP4=FULL/6-31G*
 hartrees
Energy at 0K-525.560027
Energy at 298.15K-525.563205
HF Energy-524.366031
Nuclear repulsion energy335.082025
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 MP4=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' 3668 3527        
2 A' 1841 1770        
3 A' 1463 1407        
4 A' 1305 1255        
5 A' 1251 1203        
6 A' 1152 1108        
7 A' 794 764        
8 A' 656 631        
9 A' 585 562        
10 A' 421 405        
11 A' 391 376        
12 A' 237 228        
13 A" 1243 1195        
14 A" 778 748        
15 A" 620 596        
16 A" 498 479        
17 A" 239 230        
18 A" 31 29        

Unscaled Zero Point Vibrational Energy (zpe) 8586.6 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 8256.9 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 MP4=FULL/6-31G*
ABC
0.12612 0.08311 0.06863

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 0.589 0.000
C2 -0.298 -0.896 0.000
O3 0.821 -1.648 0.000
O4 -1.442 -1.303 0.000
F5 -1.010 1.355 0.000
F6 0.821 0.880 1.093
F7 0.821 0.880 -1.093
H8 0.528 -2.585 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53492.35462.43371.33891.34791.34793.2041
C21.53491.34831.21462.36122.36672.36671.8794
O32.35461.34832.28983.51762.75442.75440.9811
O42.43371.21462.28982.69283.32893.32892.3505
F51.33892.36123.51762.69282.18492.18494.2291
F61.34792.36672.75443.32892.18492.18703.6446
F71.34792.36672.75443.32892.18492.18703.6446
H83.20411.87940.98112.35054.22913.64463.6446

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 109.336 C1 C2 O4 124.128
C2 C1 F5 110.316 C2 C1 F6 110.200
C2 C1 F7 110.200 C2 O3 H8 106.512
O3 C2 O4 126.536 F5 C1 F6 108.820
F5 C1 F7 108.820 F6 C1 F7 108.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability