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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-612.418609
Energy at 298.15K-612.421940
HF Energy-611.829576
Nuclear repulsion energy148.870743
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 CCD/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' 3212 3040 3.48      
2 A' 3102 2936 0.55      
3 A' 1929 1826 257.87      
4 A' 1520 1439 13.10      
5 A' 1451 1374 25.60      
6 A' 1170 1108 165.74      
7 A' 1009 955 47.82      
8 A' 644 610 118.56      
9 A' 472 447 8.64      
10 A' 355 336 0.93      
11 A" 3185 3014 1.08      
12 A" 1519 1438 12.22      
13 A" 1086 1028 3.39      
14 A" 530 502 3.24      
15 A" 144 137 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 10663.8 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 10093.3 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 CCD/6-31G*
ABC
0.33834 0.16445 0.11301

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.531 0.000
C2 1.490 0.721 0.000
O3 -0.844 1.368 0.000
Cl4 -0.455 -1.219 0.000
H5 1.707 1.791 0.000
H6 1.920 0.242 0.885
H7 1.920 0.242 -0.885

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50161.18861.80842.12202.13432.1343
C21.50162.42182.74671.09261.09461.0946
O31.18862.42182.61622.58633.11343.1134
Cl41.80842.74672.61623.70652.92602.9260
H52.12201.09262.58633.70651.79681.7968
H62.13431.09463.11342.92601.79681.7704
H72.13431.09463.11342.92601.79681.7704

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 108.748 C1 C2 H6 109.591
C1 C2 H7 109.591 C2 C1 O3 127.996
C2 C1 Cl4 111.824 O3 C1 Cl4 120.181
H5 C2 H6 110.481 H5 C2 H7 110.481
H6 C2 H7 107.937
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability