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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-613.385535
Energy at 298.15K-613.388629
Nuclear repulsion energy145.751238
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 BLYP/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' 3092 3068 6.55      
2 A' 2994 2971 0.51      
3 A' 1848 1834 262.59      
4 A' 1440 1429 11.94      
5 A' 1356 1345 18.71      
6 A' 1078 1069 126.20      
7 A' 924 917 71.15      
8 A' 568 564 118.67      
9 A' 394 391 29.25      
10 A' 328 325 2.65      
11 A" 3065 3042 0.63      
12 A" 1441 1430 10.27      
13 A" 1017 1009 3.69      
14 A" 491 487 1.48      
15 A" 129 128 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 10082.0 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 10004.3 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 BLYP/6-31G**
ABC
0.32965 0.15519 0.10765

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.562 0.000
C2 1.500 0.749 0.000
O3 -0.858 1.398 0.000
Cl4 -0.455 -1.259 0.000
H5 1.730 1.823 0.000
H6 1.933 0.263 0.887
H7 1.933 0.263 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.51161.19761.87682.14052.14782.1478
C21.51162.44552.80231.09811.10021.1002
O31.19762.44552.68672.62243.14083.1408
Cl41.87682.80232.68673.77742.96712.9671
H52.14051.09812.62243.77741.80611.8061
H62.14781.10023.14082.96711.80611.7732
H72.14781.10023.14082.96711.80611.7732

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 109.184 C1 C2 H6 109.633
C1 C2 H7 109.633 C2 C1 O3 128.650
C2 C1 Cl4 111.135 O3 C1 Cl4 120.215
H5 C2 H6 110.490 H5 C2 H7 110.490
H6 C2 H7 107.388
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.286      
2 C -0.328      
3 O -0.301      
4 Cl -0.106      
5 H 0.141      
6 H 0.154      
7 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.825 0.727 0.000 2.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.011 2.201 0.000
y 2.201 -32.186 0.000
z 0.000 0.000 -29.268
Traceless
 xyz
x 1.716 2.201 0.000
y 2.201 -3.046 0.000
z 0.000 0.000 1.330
Polar
3z2-r22.660
x2-y23.175
xy2.201
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> 105.062
(<r2>)1/2 10.250