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

using model chemistry: B2PLYP=FULL/aug-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 B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-278.126216
Energy at 298.15K 
HF Energy-277.894466
Nuclear repulsion energy131.304310
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/aug-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' 3177 3055 14.26 31.39 0.67 0.81
2 A' 3129 3009 26.82 113.66 0.24 0.39
3 A' 3078 2960 2.80 153.17 0.01 0.01
4 A' 1471 1414 5.63 4.44 0.75 0.86
5 A' 1430 1375 63.82 0.75 0.36 0.53
6 A' 1374 1321 2.04 0.69 0.50 0.66
7 A' 1155 1111 23.02 2.75 0.14 0.24
8 A' 1136 1093 100.46 3.71 0.53 0.69
9 A' 867 834 12.03 7.11 0.11 0.20
10 A' 555 533 6.19 0.96 0.27 0.43
11 A' 456 438 12.57 0.90 0.66 0.79
12 A" 3169 3048 8.75 48.87 0.75 0.86
13 A" 1470 1414 0.92 3.32 0.75 0.86
14 A" 1366 1314 14.46 3.68 0.75 0.86
15 A" 1123 1080 135.90 2.06 0.75 0.86
16 A" 929 894 91.88 2.98 0.75 0.86
17 A" 378 364 0.24 0.43 0.75 0.86
18 A" 229 221 0.06 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13245.7 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 12739.7 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/aug-cc-pVDZ
ABC
0.31053 0.29587 0.17000

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.323 0.172 0.000
C2 -0.903 1.044 0.000
H3 1.277 0.714 0.000
F4 0.323 -0.655 1.108
F5 0.323 -0.655 -1.108
H6 -1.799 0.413 0.000
H7 -0.901 1.679 0.894
H8 -0.901 1.679 -0.894

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50371.09731.38241.38242.13532.13712.1371
C21.50372.20482.36932.36931.09621.09651.0965
H31.09732.20482.00262.00263.09092.54492.5449
F41.38242.36932.00262.21552.62082.64393.3091
F51.38242.36932.00262.21552.62083.30912.6439
H62.13531.09623.09092.62082.62081.79111.7911
H72.13711.09652.54492.64393.30911.79111.7876
H82.13711.09652.54493.30912.64391.79111.7876

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 109.436 C1 C2 H7 109.554
C1 C2 H8 109.554 C2 C1 H3 115.025
C2 C1 F4 110.286 C2 C1 F5 110.286
H3 C1 F4 107.164 H3 C1 F5 107.164
F4 C1 F5 106.510 H6 C2 H7 109.543
H6 C2 H8 109.543 H7 C2 H8 109.198
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability