return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CF3OH (trifluoromethanol)

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-412.483477
Energy at 298.15K-412.486559
HF Energy-411.651338
Nuclear repulsion energy204.957098
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 QCISD/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3911 3682 78.65      
2 A' 1481 1394 202.46      
3 A' 1368 1288 498.99      
4 A' 1171 1103 166.87      
5 A' 915 861 3.59      
6 A' 637 599 6.81      
7 A' 603 568 19.60      
8 A' 442 416 4.07      
9 A" 1278 1203 390.61      
10 A" 627 590 8.78      
11 A" 455 428 20.00      
12 A" 232 218 119.35      

Unscaled Zero Point Vibrational Energy (zpe) 6559.1 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 6174.8 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 QCISD/6-31G**
ABC
0.18909 0.18608 0.18541

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.004 0.022 0.000
O2 -1.045 0.873 0.000
F3 1.125 0.738 0.000
F4 0.004 -0.784 1.081
F5 0.004 -0.784 -1.081
H6 -1.858 0.354 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 F4 F5 H6
C11.35111.33041.34851.34851.8911
O21.35112.17432.23972.23970.9644
F31.33042.17432.17792.17793.0074
F41.34852.23972.17792.16222.4352
F51.34852.23972.17792.16222.4352
H61.89110.96443.00742.43522.4352

picture of trifluoromethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 108.358 O2 C1 F3 108.356
O2 C1 F4 112.128 O2 C1 F5 112.128
F3 C1 F4 108.774 F3 C1 F5 108.774
F4 C1 F5 106.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability