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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-613.377708
Energy at 298.15K-613.380870
Nuclear repulsion energy144.828064
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 B3LYP/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' 3176 3056 4.37      
2 A' 3072 2955 0.64      
3 A' 1842 1772 282.33      
4 A' 1507 1450 18.87      
5 A' 1443 1388 34.43      
6 A' 1138 1095 135.19      
7 A' 971 934 73.99      
8 A' 569 548 136.13      
9 A' 398 383 30.42      
10 A' 332 319 2.17      
11 A" 3152 3032 0.09      
12 A" 1505 1448 17.76      
13 A" 1083 1042 6.58      
14 A" 504 484 2.04      
15 A" 136 131 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 10414.3 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 10018.6 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 B3LYP/6-31G
ABC
0.32921 0.15181 0.10595

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.582 0.000
C2 1.480 0.788 0.000
O3 -0.891 1.392 0.000
Cl4 -0.429 -1.285 0.000
H5 1.698 1.858 0.000
H6 1.922 0.314 0.882
H7 1.922 0.314 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49441.20391.91632.12402.13162.1316
C21.49442.44692.81851.09221.09421.0942
O31.20392.44692.71692.63073.13883.1388
Cl41.91632.81852.71693.79562.97732.9773
H52.12401.09222.63073.79561.79201.7920
H62.13161.09423.13882.97731.79201.7638
H72.13161.09423.13882.97731.79201.7638

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 109.413 C1 C2 H6 109.897
C1 C2 H7 109.897 C2 C1 O3 129.828
C2 C1 Cl4 110.849 O3 C1 Cl4 119.323
H5 C2 H6 110.096 H5 C2 H7 110.096
H6 C2 H7 107.418
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.196      
2 C -0.454      
3 O -0.293      
4 Cl -0.057      
5 H 0.194      
6 H 0.207      
7 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.305 1.029 0.000 3.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.493 2.620 0.000
y 2.620 -33.297 0.000
z 0.000 0.000 -29.482
Traceless
 xyz
x 1.896 2.620 0.000
y 2.620 -3.810 0.000
z 0.000 0.000 1.913
Polar
3z2-r23.827
x2-y23.804
xy2.620
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.678 0.408 0.000
y 0.408 7.142 0.000
z 0.000 0.000 2.784


<r2> (average value of r2) Å2
<r2> 106.661
(<r2>)1/2 10.328