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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-613.069650
Energy at 298.15K-613.072789
Nuclear repulsion energy147.057900
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**
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' 3119 3076 4.16      
2 A' 3007 2965 0.23      
3 A' 1866 1840 260.74      
4 A' 1424 1405 12.96      
5 A' 1342 1324 29.51      
6 A' 1082 1067 155.93      
7 A' 940 927 48.09      
8 A' 587 579 121.26      
9 A' 417 411 21.55      
10 A' 334 330 1.92      
11 A" 3088 3046 0.02      
12 A" 1426 1407 12.67      
13 A" 1006 992 4.58      
14 A" 498 491 0.96      
15 A" 128 126 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 10131.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 9992.4 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 PBEPBE/6-31G**
ABC
0.33257 0.15947 0.11001

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.547 0.000
C2 1.491 0.731 0.000
O3 -0.852 1.388 0.000
Cl4 -0.453 -1.239 0.000
H5 1.724 1.805 0.000
H6 1.925 0.243 0.886
H7 1.925 0.243 -0.886

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50231.19741.84252.13422.14072.1407
C21.50232.43342.76791.09851.10101.1010
O31.19742.43342.65732.60983.13203.1320
Cl41.84252.76792.65733.74232.93862.9386
H52.13421.09852.60983.74231.80711.8071
H62.14071.10103.13202.93861.80711.7722
H72.14071.10103.13202.93861.80711.7722

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 109.307 C1 C2 H6 109.672
C1 C2 H7 109.672 C2 C1 O3 128.325
C2 C1 Cl4 111.286 O3 C1 Cl4 120.390
H5 C2 H6 110.489 H5 C2 H7 110.489
H6 C2 H7 107.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.255      
2 C -0.416      
3 O -0.297      
4 Cl -0.074      
5 H 0.170      
6 H 0.181      
7 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.800 0.553 0.000 2.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.917 2.206 0.000
y 2.206 -31.992 0.000
z 0.000 0.000 -29.212
Traceless
 xyz
x 1.685 2.206 0.000
y 2.206 -2.928 0.000
z 0.000 0.000 1.243
Polar
3z2-r22.485
x2-y23.075
xy2.206
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.167 0.494 0.000
y 0.494 7.088 0.000
z 0.000 0.000 3.277


<r2> (average value of r2) Å2
<r2> 103.244
(<r2>)1/2 10.161