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

using model chemistry: CCSD=FULL/6-311+G(3df,2p)

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=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-278.010368
Energy at 298.15K 
HF Energy-277.050501
Nuclear repulsion energy133.105590
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=FULL/6-311+G(3df,2p)
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' 3181 3181 14.55      
2 A' 3125 3125 28.34      
3 A' 3090 3090 2.73      
4 A' 1513 1513 6.07      
5 A' 1474 1474 67.14      
6 A' 1418 1418 0.94      
7 A' 1198 1198 93.25      
8 A' 1179 1179 32.96      
9 A' 896 896 7.22      
10 A' 583 583 5.46      
11 A' 479 479 13.72      
12 A" 3178 3178 9.11      
13 A" 1515 1515 0.43      
14 A" 1426 1426 20.98      
15 A" 1192 1192 163.90      
16 A" 983 983 51.25      
17 A" 388 388 0.13      
18 A" 243 243 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 13529.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13529.2 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=FULL/6-311+G(3df,2p)
ABC
0.32076 0.30216 0.17460

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.162 0.000
C2 -0.900 1.030 0.000
H3 1.260 0.715 0.000
F4 0.322 -0.644 1.089
F5 0.322 -0.644 -1.089
H6 -1.787 0.401 0.000
H7 -0.904 1.660 0.886
H8 -0.904 1.660 -0.886

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.49901.08931.35491.35492.12232.12892.1289
C21.49902.18292.34162.34161.08741.08721.0872
H31.08932.18291.97851.97853.06322.52202.5220
F41.35492.34161.97852.17832.59342.61763.2731
F51.35492.34161.97852.17832.59343.27312.6176
H62.12231.08743.06322.59342.59341.77481.7748
H72.12891.08722.52202.61763.27311.77481.7727
H82.12891.08722.52203.27312.61761.77481.7727

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 109.247 C1 C2 H7 109.779
C1 C2 H8 109.779 C2 C1 H3 114.063
C2 C1 F4 110.159 C2 C1 F5 110.159
H3 C1 F4 107.590 H3 C1 F5 107.590
F4 C1 F5 106.997 H6 C2 H7 109.399
H6 C2 H8 109.399 H7 C2 H8 109.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability