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

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-277.620827
Energy at 298.15K 
HF Energy-276.962573
Nuclear repulsion energy131.837677
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 CCD/6-31+G**
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' 3235 3048 15.68      
2 A' 3190 3006 29.66      
3 A' 3132 2951 3.72      
4 A' 1536 1447 4.70      
5 A' 1494 1408 66.85      
6 A' 1436 1353 8.80      
7 A' 1194 1125 21.05      
8 A' 1185 1116 102.70      
9 A' 897 846 12.26      
10 A' 570 537 7.91      
11 A' 469 442 15.19      
12 A" 3228 3042 9.83      
13 A" 1535 1447 0.79      
14 A" 1426 1343 34.53      
15 A" 1191 1122 149.46      
16 A" 989 932 71.78      
17 A" 388 365 0.04      
18 A" 246 232 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 13670.3 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 12881.5 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 CCD/6-31+G**
ABC
0.31252 0.29845 0.17128

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.324 0.172 0.000
C2 -0.906 1.036 0.000
H3 1.267 0.716 0.000
F4 0.324 -0.649 1.104
F5 0.324 -0.649 -1.104
H6 -1.788 0.398 0.000
H7 -0.911 1.665 0.889
H8 -0.911 1.665 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50261.08891.37641.37642.12392.13132.1313
C21.50262.19612.36032.36031.08841.08861.0886
H31.08892.19611.99351.99353.07152.53632.5363
F41.37642.36031.99352.20882.60322.63183.2941
F51.37642.36031.99352.20882.60323.29412.6318
H62.12391.08843.07152.60322.60321.77831.7783
H72.13131.08862.53632.63183.29411.77831.7770
H82.13131.08862.53633.29412.63181.77831.7770

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 109.068 C1 C2 H7 109.640
C1 C2 H8 109.640 C2 C1 H3 114.932
C2 C1 F4 110.060 C2 C1 F5 110.060
H3 C1 F4 107.352 H3 C1 F5 107.352
F4 C1 F5 106.723 H6 C2 H7 109.537
H6 C2 H8 109.537 H7 C2 H8 109.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability