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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-613.398861
Energy at 298.15K-613.402104
Nuclear repulsion energy148.528130
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 B3PW91/6-311G*
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' 3170 3052 6.28      
2 A' 3066 2952 0.68      
3 A' 1923 1851 337.89      
4 A' 1474 1419 15.54      
5 A' 1398 1346 31.98      
6 A' 1120 1079 162.37      
7 A' 967 931 65.46      
8 A' 604 581 140.97      
9 A' 436 419 26.51      
10 A' 342 329 1.47      
11 A" 3143 3026 0.83      
12 A" 1477 1422 14.76      
13 A" 1051 1012 5.27      
14 A" 521 502 1.38      
15 A" 140 135 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 10415.8 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 10027.3 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 B3PW91/6-311G*
ABC
0.33869 0.16266 0.11217

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.542 0.000
C2 1.484 0.724 0.000
O3 -0.840 1.368 0.000
Cl4 -0.455 -1.225 0.000
H5 1.717 1.789 0.000
H6 1.917 0.243 0.880
H7 1.917 0.243 -0.880

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49551.17851.82422.12192.13002.1300
C21.49552.41242.74931.08981.09211.0921
O31.17852.41242.62142.59163.10513.1051
Cl41.82422.74932.62143.71452.92412.9241
H52.12191.08982.59163.71451.79021.7902
H62.13001.09213.10512.92411.79021.7596
H72.13001.09213.10512.92411.79021.7596

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 109.310 C1 C2 H6 109.821
C1 C2 H7 109.821 C2 C1 O3 128.490
C2 C1 Cl4 111.434 O3 C1 Cl4 120.076
H5 C2 H6 110.264 H5 C2 H7 110.264
H6 C2 H7 107.339
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.231      
2 C -0.694      
3 O -0.225      
4 Cl -0.125      
5 H 0.264      
6 H 0.275      
7 H 0.275      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.939 0.504 0.000 2.982
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.607 2.286 0.000
y 2.286 -32.562 0.000
z 0.000 0.000 -29.608
Traceless
 xyz
x 1.478 2.286 0.000
y 2.286 -2.955 0.000
z 0.000 0.000 1.476
Polar
3z2-r22.953
x2-y22.956
xy2.286
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 102.036
(<r2>)1/2 10.101