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

using model chemistry: B2PLYP=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-278.052213
Energy at 298.15K 
HF Energy-277.852098
Nuclear repulsion energy132.057640
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 B2PLYP=FULL/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' 3197 3032 16.35 41.16 0.73 0.84
2 A' 3130 2968 52.86 103.26 0.28 0.43
3 A' 3107 2947 3.77 88.62 0.02 0.04
4 A' 1536 1457 4.22 15.77 0.75 0.86
5 A' 1483 1407 68.98 3.52 0.69 0.82
6 A' 1433 1359 8.58 1.25 0.75 0.85
7 A' 1193 1132 34.48 1.67 0.05 0.10
8 A' 1170 1110 86.80 5.16 0.75 0.86
9 A' 894 848 8.19 6.66 0.23 0.38
10 A' 569 540 6.37 0.82 0.51 0.68
11 A' 465 441 12.19 1.02 0.65 0.79
12 A" 3193 3028 11.91 53.85 0.75 0.86
13 A" 1538 1459 0.09 11.52 0.75 0.86
14 A" 1443 1369 39.65 9.59 0.75 0.86
15 A" 1194 1132 126.49 3.14 0.75 0.86
16 A" 988 937 56.50 5.26 0.75 0.86
17 A" 382 362 0.06 0.23 0.75 0.86
18 A" 257 244 0.08 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13586.8 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 12885.7 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 B2PLYP=FULL/6-31G*
ABC
0.31247 0.30051 0.17185

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.325 0.166 0.000
C2 -0.906 1.028 0.000
H3 1.263 0.727 0.000
F4 0.325 -0.644 1.105
F5 0.325 -0.644 -1.105
H6 -1.788 0.385 0.000
H7 -0.924 1.660 0.890
H8 -0.924 1.660 -0.890

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50351.09291.37001.37002.12522.14102.1410
C21.50352.19052.35252.35251.09141.09141.0914
H31.09292.19051.99521.99523.07072.53842.5384
F41.37002.35251.99522.20962.59782.62993.2935
F51.37002.35251.99522.20962.59783.29352.6299
H62.12521.09143.07072.59782.59781.77901.7790
H72.14101.09142.53842.62993.29351.77901.7790
H82.14101.09142.53843.29352.62991.77901.7790

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 108.927 C1 C2 H7 110.177
C1 C2 H8 110.177 C2 C1 H3 114.119
C2 C1 F4 109.819 C2 C1 F5 109.819
H3 C1 F4 107.677 H3 C1 F5 107.677
F4 C1 F5 107.495 H6 C2 H7 109.178
H6 C2 H8 109.178 H7 C2 H8 109.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability