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

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-28.719063
Energy at 298.15K-28.724471
HF Energy-28.521391
Nuclear repulsion energy41.495625
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/CEP-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' 3141 3035 52.15      
2 A' 3109 3004 32.05      
3 A' 3042 2939 32.12      
4 A' 1523 1471 4.82      
5 A' 1508 1457 0.69      
6 A' 1459 1409 5.48      
7 A' 1357 1311 48.86      
8 A' 1101 1064 1.62      
9 A' 1000 966 18.01      
10 A' 629 608 23.02      
11 A' 319 308 3.01      
12 A" 3203 3095 47.92      
13 A" 3160 3053 22.82      
14 A" 1507 1456 7.85      
15 A" 1288 1244 1.82      
16 A" 1089 1052 0.00      
17 A" 806 779 5.41      
18 A" 261 253 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 14750.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 14253.0 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 MP2/CEP-31G
ABC
0.98547 0.16781 0.15190

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.355 -0.107 0.000
C2 0.000 0.662 0.000
H3 2.190 0.628 0.000
H4 1.448 -0.748 0.900
H5 1.448 -0.748 -0.900
Cl6 -1.463 -0.558 0.000
H7 -0.134 1.279 0.907
H8 -0.134 1.279 -0.907

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 H7 H8
C11.55781.11301.10891.10892.85302.22722.2272
C21.55782.19052.21222.21221.90421.10561.1056
H31.11302.19051.80431.80433.84042.57822.5782
H41.10892.21221.80431.80033.05222.57103.1428
H51.10892.21221.80431.80033.05223.14282.5710
Cl62.85301.90423.84043.05223.05222.44202.4420
H72.22721.10562.57822.57103.14282.44201.8149
H82.22721.10562.57823.14282.57102.44201.8149

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 110.596 C1 C2 H7 112.375
C1 C2 H8 112.375 C2 C1 H3 109.066
C2 C1 H4 110.991 C2 C1 H5 110.991
H3 C1 H4 108.597 H3 C1 H5 108.597
H4 C1 H5 108.536 Cl6 C2 H7 105.355
Cl6 C2 H8 105.355 H7 C2 H8 110.324
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability