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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-535.935215
Energy at 298.15K-535.940720
HF Energy-535.616956
Nuclear repulsion energy101.740996
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 MP2/3-21G*
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' 3168 3014 17.38      
2 A' 3145 2991 7.04      
3 A' 3092 2941 9.93      
4 A' 1602 1524 4.12      
5 A' 1585 1507 3.95      
6 A' 1502 1428 6.80      
7 A' 1390 1322 31.55      
8 A' 1127 1072 4.79      
9 A' 987 939 13.76      
10 A' 659 627 25.72      
11 A' 344 328 2.70      
12 A" 3211 3055 12.73      
13 A" 3182 3027 3.86      
14 A" 1590 1512 7.81      
15 A" 1350 1284 0.56      
16 A" 1141 1085 0.05      
17 A" 833 792 4.60      
18 A" 277 264 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 15091.1 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 14356.2 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 MP2/3-21G*
ABC
1.02427 0.17910 0.16180

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.526 0.653 0.000
C2 0.000 0.831 0.000
H3 2.007 1.639 0.000
H4 1.844 0.103 0.889
H5 1.844 0.103 -0.889
Cl6 -0.833 -0.792 0.000
H7 -0.344 1.356 0.892
H8 -0.344 1.356 -0.892

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 H7 H8
C11.53641.09651.09311.09312.76672.18782.1878
C21.53642.16332.17302.17301.82451.09021.0902
H31.09652.16331.78231.78233.73822.53042.5304
H41.09312.17301.78231.77832.95942.52153.0870
H51.09312.17301.78231.77832.95943.08702.5215
Cl62.76671.82453.73822.95942.95942.37622.3762
H72.18781.09022.53042.52153.08702.37621.7834
H82.18781.09022.53043.08702.52152.37621.7834

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 110.517 C1 C2 H7 111.670
C1 C2 H8 111.670 C2 C1 H3 109.357
C2 C1 H4 110.322 C2 C1 H5 110.322
H3 C1 H4 108.973 H3 C1 H5 108.973
H4 C1 H5 108.863 Cl6 C2 H7 106.485
Cl6 C2 H8 106.485 H7 C2 H8 109.757
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability