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All results from a given calculation for CF3CH2F (1,1,1,2-tetrafluoroethane)

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G2
 hartrees
Energy at 0K-476.275552
Energy at 298.15K-476.280151
Nuclear repulsion energy275.832058
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 HF/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' 3287 3097 16.40      
2 A' 1663 1567 8.92      
3 A' 1622 1528 20.56      
4 A' 1460 1375 195.05      
5 A' 1363 1284 299.55      
6 A' 1234 1163 111.80      
7 A' 927 874 19.61      
8 A' 723 682 42.19      
9 A' 594 559 13.31      
10 A' 446 420 0.89      
11 A' 233 220 4.08      
12 A" 3349 3155 23.34      
13 A" 1472 1387 199.15      
14 A" 1344 1267 52.81      
15 A" 1098 1034 61.32      
16 A" 578 544 4.40      
17 A" 382 360 1.25      
18 A" 117 110 7.01      

Unscaled Zero Point Vibrational Energy (zpe) 10945.5 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 10312.9 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 MP2=FULL/6-31G*
ABC
0.17670 0.09344 0.09228

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 0.353 0.198 0.000
C2 -1.153 0.239 0.000
F3 0.830 1.463 0.000
F4 0.830 -0.432 1.088
F5 0.830 -0.432 -1.088
F6 -1.626 -1.059 0.000
H7 -1.495 0.759 0.896
H8 -1.495 0.759 -0.896

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.50651.35191.34441.34442.34472.12972.1297
C21.50652.33042.35922.35921.38181.09161.0916
F31.35192.33042.18452.18453.52072.59002.5900
F41.34442.35922.18452.17542.75882.62003.2809
F51.34442.35922.18452.17542.75883.28092.6200
F62.34471.38183.52072.75882.75882.03162.0316
H72.12971.09162.59002.62003.28092.03161.7927
H82.12971.09162.59003.28092.62002.03161.7927

picture of 1,1,1,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.693 C1 C2 H7 109.233
C1 C2 H8 109.233 C2 C1 F3 109.173
C2 C1 F4 111.676 C2 C1 F5 111.676
F3 C1 F4 108.090 F3 C1 F5 108.090
F4 C1 F5 108.006 F6 C2 H7 109.649
F6 C2 H8 109.649 H7 C2 H8 110.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability