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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-611.836185
Energy at 298.15K-611.839641
Nuclear repulsion energy150.109110
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 HF/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' 3321 2998 6.05      
2 A' 3213 2900 1.79      
3 A' 2078 1875 401.93      
4 A' 1589 1434 11.37      
5 A' 1535 1386 19.56      
6 A' 1221 1102 184.84      
7 A' 1051 948 74.54      
8 A' 665 600 152.65      
9 A' 498 449 10.72      
10 A' 370 334 0.97      
11 A" 3292 2971 3.13      
12 A" 1597 1441 10.79      
13 A" 1150 1038 4.54      
14 A" 569 514 7.50      
15 A" 152 137 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11150.5 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 10064.5 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 HF/6-31G**
ABC
0.34563 0.16610 0.11455

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.518 0.000
C2 1.487 0.723 0.000
O3 -0.825 1.344 0.000
Cl4 -0.462 -1.206 0.000
H5 1.688 1.785 0.000
H6 1.920 0.257 0.877
H7 1.920 0.257 -0.877

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50161.16731.78452.11132.12662.1266
C21.50162.39392.74271.08081.08311.0831
O31.16732.39392.57552.55153.07943.0794
Cl41.78452.74272.57553.68402.92932.9293
H52.11131.08082.55153.68401.77731.7773
H62.12661.08313.07942.92931.77731.7532
H72.12661.08313.07942.92931.77731.7532

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 108.584 C1 C2 H6 109.658
C1 C2 H7 109.658 C2 C1 O3 127.074
C2 C1 Cl4 112.876 O3 C1 Cl4 120.050
H5 C2 H6 110.436 H5 C2 H7 110.436
H6 C2 H7 108.060
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.395 0.659    
2 C -0.409 -0.219    
3 O -0.422 -0.467    
4 Cl -0.078 -0.230    
5 H 0.173 0.094    
6 H 0.171 0.081    
7 H 0.171 0.081    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.063 0.117 0.000 3.065
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.819 2.718 0.000
y 2.718 -32.949 0.000
z 0.000 0.000 -29.478
Traceless
 xyz
x 1.395 2.718 0.000
y 2.718 -3.301 0.000
z 0.000 0.000 1.906
Polar
3z2-r23.812
x2-y23.130
xy2.718
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.606 0.313 0.000
y 0.313 6.213 0.000
z 0.000 0.000 3.147


<r2> (average value of r2) Å2
<r2> 100.544
(<r2>)1/2 10.027