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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-538.564467
Energy at 298.15K-538.569966
HF Energy-538.130944
Nuclear repulsion energy102.545616
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 QCISD/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' 3152 3002 24.52      
2 A' 3123 2974 14.95      
3 A' 3075 2928 15.85      
4 A' 1550 1476 2.65      
5 A' 1542 1469 1.84      
6 A' 1468 1398 6.64      
7 A' 1379 1313 37.39      
8 A' 1124 1071 0.96      
9 A' 1023 974 15.46      
10 A' 705 672 23.44      
11 A' 341 325 2.34      
12 A" 3186 3034 23.75      
13 A" 3162 3011 3.28      
14 A" 1536 1462 6.84      
15 A" 1316 1253 0.51      
16 A" 1126 1072 0.01      
17 A" 809 771 2.80      
18 A" 274 261 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 14946.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 14233.0 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 QCISD/6-31G*
ABC
1.04856 0.18180 0.16457

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.511 0.655 0.000
C2 0.000 0.813 0.000
H3 1.982 1.647 0.000
H4 1.847 0.111 0.889
H5 1.847 0.111 -0.889
Cl6 -0.826 -0.787 0.000
H7 -0.349 1.345 0.889
H8 -0.349 1.345 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 H7 H8
C11.51971.09811.09541.09542.74662.17412.1741
C21.51972.15032.16692.16691.80061.09331.0933
H31.09812.15031.78081.78083.71622.51272.5127
H41.09542.16691.78081.77822.95652.51893.0834
H51.09542.16691.78081.77822.95653.08342.5189
Cl62.74661.80063.71622.95652.95652.35862.3586
H72.17411.09332.51272.51893.08342.35861.7786
H82.17411.09332.51273.08342.51892.35861.7786

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 111.348 C1 C2 H7 111.578
C1 C2 H8 111.578 C2 C1 H3 109.401
C2 C1 H4 110.870 C2 C1 H5 110.870
H3 C1 H4 108.555 H3 C1 H5 108.555
H4 C1 H5 108.526 Cl6 C2 H7 106.613
Cl6 C2 H8 106.613 H7 C2 H8 108.857
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability