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

using model chemistry: CID/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 CID/6-311+G(3df,2p)
 hartrees
Energy at 0K-277.799466
Energy at 298.15K 
HF Energy-277.051026
Nuclear repulsion energy133.888387
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/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' 3264 3016 16.16      
2 A' 3213 2969 28.65      
3 A' 3170 2929 2.48      
4 A' 1559 1440 7.85      
5 A' 1524 1408 70.23      
6 A' 1464 1353 1.21      
7 A' 1240 1146 102.73      
8 A' 1211 1119 35.77      
9 A' 922 852 7.19      
10 A' 602 556 5.86      
11 A' 493 455 14.90      
12 A" 3261 3013 9.43      
13 A" 1561 1442 0.28      
14 A" 1474 1362 24.66      
15 A" 1237 1143 177.18      
16 A" 1019 942 49.82      
17 A" 398 368 0.11      
18 A" 249 230 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 13930.2 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 12871.5 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/6-311+G(3df,2p)
ABC
0.32568 0.30441 0.17653

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.321 0.159 0.000
C2 -0.897 1.028 0.000
H3 1.253 0.710 0.000
F4 0.321 -0.641 1.081
F5 0.321 -0.641 -1.081
H6 -1.780 0.405 0.000
H7 -0.899 1.654 0.881
H8 -0.899 1.654 -0.881

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.49591.08261.34471.34472.11562.12112.1211
C21.49592.17262.33162.33161.08111.08081.0808
H31.08262.17261.96531.96533.04822.50912.5091
F41.34472.33161.96532.16132.58412.60673.2564
F51.34472.33161.96532.16132.58413.25642.6067
H62.11561.08113.04822.58412.58411.76421.7642
H72.12111.08082.50912.60673.25641.76421.7624
H82.12111.08082.50913.25642.60671.76421.7624

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 109.307 C1 C2 H7 109.758
C1 C2 H8 109.758 C2 C1 H3 113.870
C2 C1 F4 110.224 C2 C1 F5 110.224
H3 C1 F4 107.642 H3 C1 F5 107.642
F4 C1 F5 106.961 H6 C2 H7 109.383
H6 C2 H8 109.383 H7 C2 H8 109.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability