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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31+G**
 hartrees
Energy at 0K-612.455445
Energy at 298.15K-612.458738
HF Energy-611.838479
Nuclear repulsion energy148.847578
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=FULL/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' 3270 3071 2.97      
2 A' 3142 2951 0.56      
3 A' 1834 1723 266.77      
4 A' 1514 1422 14.49      
5 A' 1439 1351 23.82      
6 A' 1156 1086 163.40      
7 A' 995 935 59.47      
8 A' 630 591 135.65      
9 A' 458 430 16.02      
10 A' 357 335 0.87      
11 A" 3243 3045 0.24      
12 A" 1514 1422 12.69      
13 A" 1069 1004 1.50      
14 A" 524 492 1.94      
15 A" 130 122 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 10637.1 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 9990.4 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=FULL/6-31+G**
ABC
0.33677 0.16499 0.11305

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.517 0.000
C2 1.484 0.723 0.000
O3 -0.851 1.368 0.000
Cl4 -0.448 -1.216 0.000
H5 1.693 1.787 0.000
H6 1.915 0.249 0.879
H7 1.915 0.249 -0.879

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49791.20331.78962.11652.12382.1238
C21.49792.42212.73651.08511.08741.0874
O31.20332.42212.61472.57813.11013.1101
Cl41.78962.73652.61473.68802.91572.9157
H52.11651.08512.57813.68801.78541.7854
H62.12381.08743.11012.91571.78541.7579
H72.12381.08743.11012.91571.78541.7579

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 109.002 C1 C2 H6 109.446
C1 C2 H7 109.446 C2 C1 O3 127.110
C2 C1 Cl4 112.388 O3 C1 Cl4 120.502
H5 C2 H6 110.535 H5 C2 H7 110.535
H6 C2 H7 107.858
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability