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

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-612.439623
Energy at 298.15K-612.442975
HF Energy-611.835108
Nuclear repulsion energy149.176441
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 MP3/6-31+G**
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' 3277 3050 4.06      
2 A' 3160 2940 0.54      
3 A' 1950 1815 275.33      
4 A' 1532 1425 11.20      
5 A' 1456 1355 20.43      
6 A' 1173 1091 165.08      
7 A' 1012 941 49.64      
8 A' 647 602 118.78      
9 A' 474 442 8.10      
10 A' 355 330 0.86      
11 A" 3249 3023 1.41      
12 A" 1533 1427 10.19      
13 A" 1086 1010 2.39      
14 A" 531 494 3.56      
15 A" 145 135 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 10789.5 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 10039.6 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 MP3/6-31+G**
ABC
0.34000 0.16487 0.11336

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.530 0.000
C2 1.487 0.720 0.000
O3 -0.841 1.366 0.000
Cl4 -0.454 -1.218 0.000
H5 1.703 1.783 0.000
H6 1.913 0.244 0.879
H7 1.913 0.244 -0.879

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49941.18561.80572.11442.12442.1244
C21.49942.41612.74321.08461.08671.0867
O31.18562.41612.61222.57803.10063.1006
Cl41.80572.74322.61223.69582.91742.9174
H52.11441.08462.57803.69581.78501.7850
H62.12441.08673.10062.91741.78501.7584
H72.12441.08673.10062.91741.78501.7584

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 108.763 C1 C2 H6 109.427
C1 C2 H7 109.427 C2 C1 O3 127.888
C2 C1 Cl4 111.860 O3 C1 Cl4 120.252
H5 C2 H6 110.598 H5 C2 H7 110.598
H6 C2 H7 108.010
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability