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All results from a given calculation for CH3CHF2 (Ethane, 1,1-difluoro-)

using model chemistry: CCSD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-277.752539
Energy at 298.15K 
HF Energy-277.022761
Nuclear repulsion energy132.421790
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 CCSD/6-311G**
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' 3172 3172 22.78      
2 A' 3128 3128 40.19      
3 A' 3080 3080 3.93      
4 A' 1508 1508 7.07      
5 A' 1480 1480 78.57      
6 A' 1417 1417 2.67      
7 A' 1194 1194 83.86      
8 A' 1180 1180 44.71      
9 A' 894 894 9.47      
10 A' 580 580 7.23      
11 A' 478 478 14.44      
12 A" 3169 3169 13.25      
13 A" 1510 1510 0.08      
14 A" 1445 1445 35.89      
15 A" 1204 1204 144.50      
16 A" 989 989 50.00      
17 A" 389 389 0.01      
18 A" 251 251 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 13533.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13533.9 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 CCSD/6-311G**
ABC
0.31630 0.30015 0.17283

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.325 0.162 0.000
C2 -0.907 1.031 0.000
H3 1.264 0.724 0.000
F4 0.325 -0.644 1.097
F5 0.325 -0.644 -1.097
H6 -1.792 0.389 0.000
H7 -0.916 1.662 0.893
H8 -0.916 1.662 -0.893

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50761.09361.36171.36172.12962.14182.1418
C21.50762.19242.35122.35121.09341.09341.0934
H31.09362.19241.98901.98903.07442.53562.5356
F41.36172.35121.98902.19412.59912.62733.2893
F51.36172.35121.98902.19412.59913.28932.6273
H62.12961.09343.07442.59912.59911.78471.7847
H72.14181.09342.53562.62733.28931.78471.7854
H82.14181.09342.53563.28932.62731.78471.7854

picture of Ethane, 1,1-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 108.883 C1 C2 H7 109.841
C1 C2 H8 109.841 C2 C1 H3 113.938
C2 C1 F4 109.954 C2 C1 F5 109.954
H3 C1 F4 107.705 H3 C1 F5 107.705
F4 C1 F5 107.343 H6 C2 H7 109.398
H6 C2 H8 109.398 H7 C2 H8 109.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability