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

using model chemistry: MP4=FULL/3-21G

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/3-21G
 hartrees
Energy at 0K-522.315102
Energy at 298.15K-522.318144
HF Energy-521.484644
Nuclear repulsion energy329.329784
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/3-21G
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' 3477 3404        
2 A' 1698 1662        
3 A' 1397 1367        
4 A' 1288 1261        
5 A' 1213 1187        
6 A' 1064 1041        
7 A' 742 726        
8 A' 627 614        
9 A' 564 552        
10 A' 411 402        
11 A' 371 363        
12 A' 219 214        
13 A" 1258 1231        
14 A" 742 726        
15 A" 608 595        
16 A" 481 471        
17 A" 228 223        
18 A" 34 33        

Unscaled Zero Point Vibrational Energy (zpe) 8209.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 8035.8 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 MP4=FULL/3-21G
ABC
0.12054 0.08124 0.06664

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.092 0.588 0.000
C2 -0.318 -0.895 0.000
O3 0.843 -1.648 0.000
O4 -1.474 -1.332 0.000
F5 -1.040 1.364 0.000
F6 0.843 0.890 1.115
F7 0.843 0.890 -1.115
H8 0.602 -2.617 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53892.35882.47841.37291.37681.37683.2454
C21.53891.38341.23632.37192.40272.40271.9523
O32.35881.38342.33853.55232.77152.77150.9982
O42.47841.23632.33852.73103.39783.39782.4420
F51.37292.37193.55232.73102.23882.23884.3066
F61.37682.40272.77153.39782.23882.22913.6870
F71.37682.40272.77153.39782.23882.22913.6870
H83.24541.95230.99822.44204.30663.68703.6870

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 107.517 C1 C2 O4 126.163
C2 C1 F5 108.954 C2 C1 F6 110.861
C2 C1 F7 110.861 C2 O3 H8 109.045
O3 C2 O4 126.320 F5 C1 F6 109.015
F5 C1 F7 109.015 F6 C1 F7 108.096
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability