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

using model chemistry: CID/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/daug-cc-pVDZ
 hartrees
Energy at 0K-277.616285
Energy at 298.15K 
HF Energy-276.984448
Nuclear repulsion energy132.326732
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 CID/daug-cc-pVDZ
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' 3253 3253 21.86      
2 A' 3219 3219 23.13      
3 A' 3153 3153 3.15      
4 A' 1525 1525 11.28      
5 A' 1499 1499 65.29      
6 A' 1432 1432 1.33      
7 A' 1207 1207 107.18      
8 A' 1198 1198 20.54      
9 A' 905 905 10.99      
10 A' 582 582 6.36      
11 A' 479 479 14.59      
12 A" 3247 3247 11.10      
13 A" 1526 1526 0.19      
14 A" 1436 1436 22.27      
15 A" 1199 1199 166.58      
16 A" 993 993 62.12      
17 A" 392 392 0.12      
18 A" 243 243 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 13742.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13742.8 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 CID/daug-cc-pVDZ
ABC
0.31730 0.29850 0.17258

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.166 0.000
C2 -0.901 1.040 0.000
H3 1.267 0.715 0.000
F4 0.322 -0.650 1.095
F5 0.322 -0.650 -1.095
H6 -1.796 0.413 0.000
H7 -0.898 1.672 0.891
H8 -0.898 1.672 -0.891

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50331.09251.36551.36552.13222.13392.1339
C21.50332.19192.35592.35591.09251.09271.0927
H31.09252.19191.98841.98843.07722.52952.5295
F41.36552.35591.98842.19022.61042.63163.2905
F51.36552.35591.98842.19022.61043.29052.6316
H62.13221.09253.07722.61042.61041.78481.7848
H72.13391.09272.52952.63163.29051.78481.7816
H82.13391.09272.52953.29052.63161.78481.7816

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 109.432 C1 C2 H7 109.555
C1 C2 H8 109.555 C2 C1 H3 114.285
C2 C1 F4 110.323 C2 C1 F5 110.323
H3 C1 F4 107.467 H3 C1 F5 107.467
F4 C1 F5 106.638 H6 C2 H7 109.529
H6 C2 H8 109.529 H7 C2 H8 109.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability