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

using model chemistry: PBEPBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-613.133307
Energy at 298.15K-613.136450
Nuclear repulsion energy147.136925
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/6-311G*
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' 3096 3064 7.28      
2 A' 2995 2964 0.60      
3 A' 1864 1845 295.27      
4 A' 1431 1416 15.20      
5 A' 1350 1336 33.14      
6 A' 1082 1071 147.59      
7 A' 937 928 61.35      
8 A' 579 573 130.75      
9 A' 409 405 30.52      
10 A' 332 328 1.97      
11 A" 3068 3036 0.51      
12 A" 1431 1416 14.95      
13 A" 1015 1004 4.72      
14 A" 501 496 0.62      
15 A" 134 133 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 10112.4 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 10007.2 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/6-311G*
ABC
0.33346 0.15926 0.11000

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.555 0.000
C2 1.489 0.732 0.000
O3 -0.851 1.385 0.000
Cl4 -0.453 -1.241 0.000
H5 1.730 1.803 0.000
H6 1.923 0.244 0.884
H7 1.923 0.244 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49931.18861.85222.13322.13972.1397
C21.49932.42952.76811.09741.09971.0997
O31.18862.42952.65542.61553.12783.1278
Cl41.85222.76812.65543.74552.93812.9381
H52.13321.09742.61553.74551.80261.8026
H62.13971.09973.12782.93811.80261.7683
H72.13971.09973.12782.93811.80261.7683

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 109.502 C1 C2 H6 109.880
C1 C2 H7 109.880 C2 C1 O3 128.971
C2 C1 Cl4 110.933 O3 C1 Cl4 120.096
H5 C2 H6 110.260 H5 C2 H7 110.260
H6 C2 H7 107.028
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.188      
2 C -0.678      
3 O -0.182      
4 Cl -0.125      
5 H 0.256      
6 H 0.271      
7 H 0.271      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.878 0.689 0.000 2.960
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.676 2.125 0.000
y 2.125 -32.657 0.000
z 0.000 0.000 -29.856
Traceless
 xyz
x 1.580 2.125 0.000
y 2.125 -2.891 0.000
z 0.000 0.000 1.310
Polar
3z2-r22.621
x2-y22.981
xy2.125
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.406 0.631 0.000
y 0.631 7.571 0.000
z 0.000 0.000 3.329


<r2> (average value of r2) Å2
<r2> 103.677
(<r2>)1/2 10.182