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All results from a given calculation for CH3CH2Cl (Ethyl chloride)

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-538.515654
Energy at 298.15K-538.521196
HF Energy-538.131323
Nuclear repulsion energy102.928335
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 CISD/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' 3221 2982 25.61      
2 A' 3196 2959 13.56      
3 A' 3144 2911 15.77      
4 A' 1583 1466 2.70      
5 A' 1576 1459 1.93      
6 A' 1502 1390 6.95      
7 A' 1411 1306 40.32      
8 A' 1147 1062 1.18      
9 A' 1043 966 16.81      
10 A' 724 671 27.25      
11 A' 349 323 2.45      
12 A" 3260 3018 21.14      
13 A" 3233 2993 4.75      
14 A" 1568 1452 7.08      
15 A" 1345 1245 0.49      
16 A" 1150 1065 0.01      
17 A" 825 764 2.85      
18 A" 278 257 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 15277.7 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 14144.1 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 CISD/6-31G*
ABC
1.05855 0.18292 0.16562

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.507 0.652 0.000
C2 0.000 0.809 0.000
H3 1.975 1.639 0.000
H4 1.842 0.110 0.884
H5 1.842 0.110 -0.884
Cl6 -0.824 -0.782 0.000
H7 -0.347 1.340 0.883
H8 -0.347 1.340 -0.883

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 H7 H8
C11.51541.09211.08951.08952.73732.16552.1655
C21.51542.14262.15942.15941.79191.08721.0872
H31.09212.14261.77061.77063.70122.50222.5022
H41.08952.15941.77061.76792.94752.51043.0700
H51.08952.15941.77061.76792.94753.07002.5104
Cl62.73731.79193.70122.94752.94752.34762.3476
H72.16551.08722.50222.51043.07002.34761.7664
H82.16551.08722.50223.07002.51042.34761.7664

picture of Ethyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 111.443 C1 C2 H7 111.567
C1 C2 H8 111.567 C2 C1 H3 109.443
C2 C1 H4 110.931 C2 C1 H5 110.931
H3 C1 H4 108.506 H3 C1 H5 108.506
H4 C1 H5 108.455 Cl6 C2 H7 106.677
Cl6 C2 H8 106.677 H7 C2 H8 108.657
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability