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All results from a given calculation for CH3COCl (Acetyl Chloride)

using model chemistry: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-612.546563
Energy at 298.15K-612.549909
Nuclear repulsion energy148.726735
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/6-311G**
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' 3185 3039 5.60      
2 A' 3080 2938 1.42      
3 A' 1895 1808 282.29      
4 A' 1486 1418 10.32      
5 A' 1422 1356 19.29      
6 A' 1145 1093 159.47      
7 A' 985 940 61.64      
8 A' 627 598 130.89      
9 A' 461 440 12.02      
10 A' 350 334 0.79      
11 A" 3162 3017 2.28      
12 A" 1496 1427 10.22      
13 A" 1063 1014 2.32      
14 A" 526 502 2.68      
15 A" 162 155 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 10521.7 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 10038.7 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/6-311G**
ABC
0.33699 0.16412 0.11269

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.527 0.000
C2 1.498 0.705 0.000
O3 -0.828 1.376 0.000
Cl4 -0.467 -1.212 0.000
H5 1.730 1.772 0.000
H6 1.920 0.219 0.884
H7 1.920 0.219 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50841.18581.80082.13142.13622.1362
C21.50842.42042.74541.09191.09381.0938
O31.18582.42042.61342.58803.10983.1098
Cl41.80082.74542.61343.70582.92052.9205
H52.13141.09192.58803.70581.79711.7971
H62.13621.09383.10982.92051.79711.7684
H72.13621.09383.10982.92051.79711.7684

picture of Acetyl Chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 109.055 C1 C2 H6 109.319
C1 C2 H7 109.319 C2 C1 O3 127.473
C2 C1 Cl4 111.818 O3 C1 Cl4 120.709
H5 C2 H6 110.622 H5 C2 H7 110.622
H6 C2 H7 107.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability