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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-613.445917
Energy at 298.15K-613.449131
Nuclear repulsion energy147.642548
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 B3LYPultrafine/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' 3175 3042 5.06      
2 A' 3075 2945 0.36      
3 A' 1918 1838 298.40      
4 A' 1492 1429 13.18      
5 A' 1415 1355 22.24      
6 A' 1125 1078 145.45      
7 A' 967 926 70.70      
8 A' 600 575 131.53      
9 A' 428 410 23.41      
10 A' 342 328 1.77      
11 A" 3147 3014 0.55      
12 A" 1494 1431 11.72      
13 A" 1059 1015 4.51      
14 A" 515 494 2.45      
15 A" 138 133 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 10444.8 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 10006.1 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 B3LYPultrafine/6-31G*
ABC
0.33589 0.16025 0.11073

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.543 0.000
C2 1.492 0.733 0.000
O3 -0.844 1.378 0.000
Cl4 -0.457 -1.234 0.000
H5 1.715 1.802 0.000
H6 1.926 0.253 0.883
H7 1.926 0.253 -0.883

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.50391.18711.83502.12742.13802.1380
C21.50392.42332.76881.09201.09431.0943
O31.18712.42332.64062.59383.11693.1169
Cl41.83502.76882.64063.73282.94372.9437
H52.12741.09202.59383.73281.79521.7952
H62.13801.09433.11692.94371.79521.7652
H72.13801.09433.11692.94371.79521.7652

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 109.040 C1 C2 H6 109.744
C1 C2 H7 109.744 C2 C1 O3 128.062
C2 C1 Cl4 111.661 O3 C1 Cl4 120.276
H5 C2 H6 110.390 H5 C2 H7 110.390
H6 C2 H7 107.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.318      
2 C -0.507      
3 O -0.329      
4 Cl -0.089      
5 H 0.197      
6 H 0.205      
7 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.844 0.484 0.000 2.885
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.167 2.320 0.000
y 2.320 -32.232 0.000
z 0.000 0.000 -29.195
Traceless
 xyz
x 1.546 2.320 0.000
y 2.320 -3.051 0.000
z 0.000 0.000 1.505
Polar
3z2-r23.010
x2-y23.065
xy2.320
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.932 0.451 0.000
y 0.451 6.822 0.000
z 0.000 0.000 3.194


<r2> (average value of r2) Å2
<r2> 102.824
(<r2>)1/2 10.140