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

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-277.623350
Energy at 298.15K 
HF Energy-276.960410
Nuclear repulsion energy131.977361
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 MP2=FULL/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' 3230 3069 9.43 46.22 0.73 0.85
2 A' 3141 2985 55.30 116.41 0.24 0.39
3 A' 3115 2961 3.58 101.48 0.02 0.04
4 A' 1487 1414 11.09 12.20 0.74 0.85
5 A' 1457 1384 86.08 2.22 0.34 0.51
6 A' 1391 1322 0.99 0.62 0.74 0.85
7 A' 1179 1120 100.00 4.64 0.75 0.86
8 A' 1169 1111 25.60 1.69 0.05 0.09
9 A' 888 844 9.69 5.52 0.22 0.36
10 A' 573 544 6.28 0.92 0.54 0.70
11 A' 470 447 13.34 1.02 0.64 0.78
12 A" 3229 3069 7.28 55.36 0.75 0.86
13 A" 1491 1417 0.01 7.95 0.75 0.86
14 A" 1416 1346 34.94 9.60 0.75 0.86
15 A" 1185 1126 151.41 2.70 0.75 0.86
16 A" 971 923 43.94 3.54 0.75 0.86
17 A" 381 362 0.03 0.36 0.75 0.86
18 A" 249 236 0.10 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13509.6 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 12839.5 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 MP2=FULL/cc-pVDZ
ABC
0.31305 0.29961 0.17183

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.324 0.164 0.000
C2 -0.905 1.032 0.000
H3 1.269 0.730 0.000
F4 0.324 -0.646 1.103
F5 0.324 -0.646 -1.103
H6 -1.796 0.388 0.000
H7 -0.916 1.667 0.897
H8 -0.916 1.667 -0.897

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50491.10181.36821.36822.13232.14532.1453
C21.50492.19502.35422.35421.09941.09891.0989
H31.10182.19502.00082.00083.08452.54102.5410
F41.36822.35422.00082.20602.60432.63283.2995
F51.36822.35422.00082.20602.60433.29952.6328
H62.13231.09943.08452.60432.60431.79291.7929
H72.14531.09892.54102.63283.29951.79291.7930
H82.14531.09892.54103.29952.63281.79291.7930

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 108.930 C1 C2 H7 109.985
C1 C2 H8 109.985 C2 C1 H3 113.821
C2 C1 F4 109.962 C2 C1 F5 109.962
H3 C1 F4 107.711 H3 C1 F5 107.711
F4 C1 F5 107.445 H6 C2 H7 109.292
H6 C2 H8 109.292 H7 C2 H8 109.339
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability