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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-44.013985
Energy at 298.15K-44.017168
Nuclear repulsion energy59.299741
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 B3LYP/CEP-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' 3175 3066 12.99      
2 A' 3074 2968 2.76      
3 A' 1887 1822 353.14      
4 A' 1465 1415 14.27      
5 A' 1390 1342 20.12      
6 A' 1112 1074 160.43      
7 A' 955 922 60.35      
8 A' 594 574 131.25      
9 A' 428 414 17.70      
10 A' 331 320 1.86      
11 A" 3150 3042 6.37      
12 A" 1466 1415 14.42      
13 A" 1038 1002 4.40      
14 A" 506 488 1.40      
15 A" 141 136 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 10354.5 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 9999.4 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 B3LYP/CEP-31G*
ABC
0.32725 0.15846 0.10897

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.286 0.000
C2 1.415 -0.287 0.000
O3 -0.334 1.440 0.000
Cl4 -1.271 -1.048 0.000
H5 2.136 0.545 0.000
H6 1.551 -0.921 0.891
H7 1.551 -0.921 -0.891

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.52651.20141.84222.15142.15752.1575
C21.52652.45762.79161.10041.10211.1021
O31.20142.45762.65852.62683.14943.1494
Cl41.84222.79162.65853.76052.96162.9616
H52.15141.10042.62683.76051.81231.8123
H62.15751.10213.14942.96161.81231.7822
H72.15751.10213.14942.96161.81231.7822

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 108.885 C1 C2 H6 109.264
C1 C2 H7 109.264 C2 C1 O3 128.162
C2 C1 Cl4 111.586 O3 C1 Cl4 120.252
H5 C2 H6 110.742 H5 C2 H7 110.742
H6 C2 H7 107.916
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.105      
2 C -0.310      
3 O 0.003      
4 Cl -0.144      
5 H 0.187      
6 H 0.184      
7 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.820 -1.175 0.000 3.055
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.695 -0.130 0.000
y -0.130 -32.719 0.000
z 0.000 0.000 -28.629
Traceless
 xyz
x 1.979 -0.130 0.000
y -0.130 -4.057 0.000
z 0.000 0.000 2.078
Polar
3z2-r24.157
x2-y24.024
xy-0.130
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.901 1.064 0.000
y 1.064 6.254 0.000
z 0.000 0.000 3.162


<r2> (average value of r2) Å2
<r2> 72.463
(<r2>)1/2 8.513