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

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-613.380995
Energy at 298.15K-613.384243
Nuclear repulsion energy148.372241
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 B3PW91/aug-cc-pVDZ
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' 3180 3067 5.00      
2 A' 3063 2954 0.36      
3 A' 1892 1825 323.51      
4 A' 1429 1379 12.35      
5 A' 1361 1313 28.56      
6 A' 1108 1069 167.64      
7 A' 964 930 41.30      
8 A' 606 584 131.49      
9 A' 438 422 18.68      
10 A' 343 331 1.65      
11 A" 3150 3038 0.09      
12 A" 1433 1382 12.94      
13 A" 1025 989 3.19      
14 A" 520 501 1.40      
15 A" 139 134 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 10324.2 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 9958.8 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 B3PW91/aug-cc-pVDZ
ABC
0.33755 0.16275 0.11211

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.538 0.000
C2 1.483 0.732 0.000
O3 -0.850 1.365 0.000
Cl4 -0.448 -1.226 0.000
H5 1.707 1.804 0.000
H6 1.912 0.246 0.885
H7 1.912 0.246 -0.885

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49531.18631.82022.12532.12742.1274
C21.49532.41732.75021.09511.09761.0976
O31.18632.41732.62222.59483.10963.1096
Cl41.82022.75022.62223.71862.91922.9192
H52.12531.09512.59483.71861.80401.8040
H62.12741.09763.10962.91921.80401.7699
H72.12741.09763.10962.91921.80401.7699

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 109.293 C1 C2 H6 109.305
C1 C2 H7 109.305 C2 C1 O3 128.329
C2 C1 Cl4 111.728 O3 C1 Cl4 119.943
H5 C2 H6 110.722 H5 C2 H7 110.722
H6 C2 H7 107.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 C 0.575      
3 O -0.386      
4 Cl -0.133      
5 H -0.101      
6 H 0.004      
7 H 0.004      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.885 0.267 0.000 2.897
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.420 2.791 0.000
y 2.791 -32.513 0.000
z 0.000 0.000 -29.499
Traceless
 xyz
x 1.586 2.791 0.000
y 2.791 -3.054 0.000
z 0.000 0.000 1.468
Polar
3z2-r22.936
x2-y23.094
xy2.791
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.646 0.420 0.000
y 0.420 8.044 0.000
z 0.000 0.000 4.832


<r2> (average value of r2) Å2
<r2> 102.015
(<r2>)1/2 10.100