return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-538.582020
Energy at 298.15K-538.587526
HF Energy-538.130999
Nuclear repulsion energy102.658342
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 CCSD=FULL/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' 3157 2998 23.49      
2 A' 3128 2971 14.59      
3 A' 3080 2925 15.27      
4 A' 1552 1474 2.81      
5 A' 1544 1467 1.85      
6 A' 1471 1397 6.93      
7 A' 1382 1312 36.71      
8 A' 1127 1070 0.99      
9 A' 1026 974 15.40      
10 A' 709 673 22.82      
11 A' 343 326 2.32      
12 A" 3191 3031 22.64      
13 A" 3167 3008 3.09      
14 A" 1537 1460 7.04      
15 A" 1319 1252 0.52      
16 A" 1128 1071 0.01      
17 A" 811 770 2.91      
18 A" 275 261 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 14972.1 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 14220.5 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 CCSD=FULL/6-31G*
ABC
1.05059 0.18225 0.16497

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.509 0.654 0.000
C2 0.000 0.813 0.000
H3 1.980 1.645 0.000
H4 1.844 0.109 0.889
H5 1.844 0.109 -0.889
Cl6 -0.825 -0.785 0.000
H7 -0.348 1.344 0.889
H8 -0.348 1.344 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 H7 H8
C11.51771.09741.09471.09472.74262.17192.1719
C21.51772.14822.16452.16451.79841.09271.0927
H31.09742.14821.77981.77983.71192.51042.5104
H41.09472.16451.77981.77722.95212.51623.0807
H51.09472.16451.77981.77722.95213.08072.5162
Cl62.74261.79843.71192.95212.95212.35642.3564
H72.17191.09272.51042.51623.08072.35641.7777
H82.17191.09272.51043.08072.51622.35641.7777

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 111.317 C1 C2 H7 111.577
C1 C2 H8 111.577 C2 C1 H3 109.408
C2 C1 H4 110.859 C2 C1 H5 110.859
H3 C1 H4 108.562 H3 C1 H5 108.562
H4 C1 H5 108.529 Cl6 C2 H7 106.623
Cl6 C2 H8 106.623 H7 C2 H8 108.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability