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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-613.065676
Energy at 298.15K-613.068820
HF Energy-613.065676
Nuclear repulsion energy147.014971
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3115 3064 4.66      
2 A' 3009 2959 0.23      
3 A' 1867 1836 260.91      
4 A' 1443 1419 13.90      
5 A' 1360 1337 28.73      
6 A' 1090 1072 149.76      
7 A' 945 930 54.35      
8 A' 588 578 121.78      
9 A' 416 410 21.66      
10 A' 335 329 1.98      
11 A" 3086 3035 0.06      
12 A" 1443 1419 13.14      
13 A" 1017 1000 4.81      
14 A" 500 492 1.00      
15 A" 132 130 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 10173.1 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 10005.3 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 PBEPBEultrafine/6-31G*
ABC
0.33220 0.15944 0.10996

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.547 0.000
C2 1.492 0.729 0.000
O3 -0.851 1.389 0.000
Cl4 -0.455 -1.239 0.000
H5 1.728 1.804 0.000
H6 1.927 0.241 0.887
H7 1.927 0.241 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50351.19731.84252.13652.14382.1438
C21.50352.43452.76831.09991.10231.1023
O31.19732.43452.65742.61193.13453.1345
Cl41.84252.76832.65743.74412.94122.9412
H52.13651.09992.61193.74411.80821.8082
H62.14381.10233.13452.94121.80821.7747
H72.14381.10233.13452.94121.80821.7747

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 109.324 C1 C2 H6 109.750
C1 C2 H7 109.750 C2 C1 O3 128.329
C2 C1 Cl4 111.255 O3 C1 Cl4 120.416
H5 C2 H6 110.386 H5 C2 H7 110.386
H6 C2 H7 107.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.271      
2 C -0.547      
3 O -0.296      
4 Cl -0.074      
5 H 0.208      
6 H 0.219      
7 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.786 0.549 0.000 2.839
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.964 2.190 0.003
y 2.190 -32.000 0.000
z 0.003 0.000 -29.208
Traceless
 xyz
x 1.639 2.190 0.003
y 2.190 -2.914 0.000
z 0.003 0.000 1.274
Polar
3z2-r22.548
x2-y23.035
xy2.190
xz0.003
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.130 0.490 0.000
y 0.490 7.062 0.000
z 0.000 0.000 3.248


<r2> (average value of r2) Å2
<r2> 103.306
(<r2>)1/2 10.164