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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-613.080899
Energy at 298.15K-613.084046
Nuclear repulsion energy147.509452
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 PBEPBE/6-31G(2df,p)
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' 3108 3076 4.88      
2 A' 2998 2967 0.29      
3 A' 1865 1846 249.67      
4 A' 1409 1394 11.40      
5 A' 1327 1314 25.02      
6 A' 1074 1063 147.49      
7 A' 934 924 47.41      
8 A' 585 579 119.48      
9 A' 418 414 18.49      
10 A' 331 328 1.80      
11 A" 3079 3048 0.00      
12 A" 1411 1397 11.00      
13 A" 1001 991 3.87      
14 A" 503 497 0.99      
15 A" 131 130 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 10087.1 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 9983.2 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 PBEPBE/6-31G(2df,p)
ABC
0.33295 0.16100 0.11078

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.548 0.000
C2 1.492 0.718 0.000
O3 -0.846 1.387 0.000
Cl4 -0.456 -1.231 0.000
H5 1.739 1.789 0.000
H6 1.919 0.223 0.885
H7 1.919 0.223 -0.885

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50141.19151.83672.13602.13802.1380
C21.50142.43162.75591.09851.10081.1008
O31.19152.43162.64672.61613.12803.1280
Cl41.83672.75592.64673.73332.92192.9219
H52.13601.09852.61613.73331.80801.8080
H62.13801.10083.12802.92191.80801.7705
H72.13801.10083.12802.92191.80801.7705

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 109.510 C1 C2 H6 109.532
C1 C2 H7 109.532 C2 C1 O3 128.741
C2 C1 Cl4 110.897 O3 C1 Cl4 120.362
H5 C2 H6 110.584 H5 C2 H7 110.584
H6 C2 H7 107.060
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.309      
2 C -0.486      
3 O -0.177      
4 Cl -0.186      
5 H 0.169      
6 H 0.185      
7 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.678 0.517 0.000 2.727
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.830 2.209 0.000
y 2.209 -31.814 0.000
z 0.000 0.000 -29.053
Traceless
 xyz
x 1.603 2.209 0.000
y 2.209 -2.872 0.000
z 0.000 0.000 1.269
Polar
3z2-r22.537
x2-y22.984
xy2.209
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.675 0.545 0.000
y 0.545 7.284 0.000
z 0.000 0.000 3.855


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000