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

using model chemistry: B2PLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-613.288241
Energy at 298.15K-613.291490
HF Energy-613.035552
Nuclear repulsion energy148.541134
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 B2PLYP/aug-cc-pVTZ
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' 3177 3053 4.71      
2 A' 3075 2955 0.44      
3 A' 1858 1785 303.43      
4 A' 1479 1421 12.80      
5 A' 1403 1349 20.18      
6 A' 1123 1079 139.33      
7 A' 965 928 69.09      
8 A' 598 575 135.30      
9 A' 432 415 25.18      
10 A' 343 330 1.53      
11 A" 3150 3027 0.14      
12 A" 1483 1425 12.33      
13 A" 1056 1014 2.42      
14 A" 519 499 1.90      
15 A" 138 133 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 10399.1 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 9993.5 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 B2PLYP/aug-cc-pVTZ
ABC
0.33821 0.16291 0.11222

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.541 0.000
C2 1.484 0.726 0.000
O3 -0.844 1.371 0.000
Cl4 -0.451 -1.226 0.000
H5 1.711 1.788 0.000
H6 1.906 0.243 0.878
H7 1.906 0.243 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49511.18381.82392.11732.11972.1197
C21.49512.41532.74891.08581.08781.0878
O31.18382.41532.62672.58893.09953.0995
Cl41.82392.74892.62673.70972.91352.9135
H52.11731.08582.58893.70971.78771.7877
H62.11971.08783.09952.91351.78771.7565
H72.11971.08783.09952.91351.78771.7565

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 109.212 C1 C2 H6 109.292
C1 C2 H7 109.292 C2 C1 O3 128.362
C2 C1 Cl4 111.450 O3 C1 Cl4 120.188
H5 C2 H6 110.667 H5 C2 H7 110.667
H6 C2 H7 107.678
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.400      
2 C -0.624      
3 O -0.457      
4 Cl -0.195      
5 H 0.274      
6 H 0.301      
7 H 0.301      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.814 0.269 0.000 2.827
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.776 2.679 0.000
y 2.679 -32.893 0.000
z 0.000 0.000 -29.746
Traceless
 xyz
x 1.544 2.679 0.000
y 2.679 -3.132 0.000
z 0.000 0.000 1.589
Polar
3z2-r23.178
x2-y23.117
xy2.679
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.695 0.408 0.000
y 0.408 8.176 0.000
z 0.000 0.000 4.938


<r2> (average value of r2) Å2
<r2> 102.079
(<r2>)1/2 10.103