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All results from a given calculation for CF3OH (trifluoromethanol)

using model chemistry: MP2/CEP-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/CEP-31G*
 hartrees
Energy at 0K-94.163893
Energy at 298.15K-94.166952
HF Energy-93.385467
Nuclear repulsion energy116.109174
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/CEP-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' 3793 3601 94.28      
2 A' 1433 1360 196.17      
3 A' 1312 1246 565.92      
4 A' 1133 1076 198.08      
5 A' 891 846 5.97      
6 A' 628 596 6.19      
7 A' 596 566 18.25      
8 A' 436 414 4.61      
9 A" 1193 1133 435.01      
10 A" 614 583 4.55      
11 A" 449 426 25.07      
12 A" 261 248 133.18      

Unscaled Zero Point Vibrational Energy (zpe) 6368.9 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 6046.7 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/CEP-31G*
ABC
0.18613 0.18324 0.18225

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.003 0.024 0.000
O2 -1.051 0.890 0.000
F3 1.135 0.737 0.000
F4 0.003 -0.792 1.089
F5 0.003 -0.792 -1.089
H6 -1.875 0.362 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 F4 F5 H6
C11.36351.33821.36041.36041.9078
O21.36352.19092.26332.26330.9791
F31.33822.19092.19202.19203.0334
F41.36042.26332.19202.17742.4580
F51.36042.26332.19202.17742.4580
H61.90780.97913.03342.45802.4580

picture of trifluoromethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 107.933 O2 C1 F3 108.376
O2 C1 F4 112.383 O2 C1 F5 112.383
F3 C1 F4 108.636 F3 C1 F5 108.636
F4 C1 F5 106.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability