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

using model chemistry: B1B95/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-613.470015
Energy at 298.15K-613.473274
Nuclear repulsion energy 
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 B1B95/aug-cc-pVDZ
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' 3205 3070 4.67      
2 A' 3085 2955 0.32      
3 A' 1910 1830 330.65      
4 A' 1432 1372 12.31      
5 A' 1364 1307 29.45      
6 A' 1114 1067 176.08      
7 A' 970 929 34.65      
8 A' 610 584 135.57      
9 A' 444 425 17.01      
10 A' 341 326 1.24      
11 A" 3174 3040 0.06      
12 A" 1436 1375 12.84      
13 A" 1027 983 3.16      
14 A" 520 498 1.59      
15 A" 141 135 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 10385.6 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 9948.3 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 B1B95/aug-cc-pVDZ
ABC
0.33968 0.16455 0.11319

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.534 0.000
C2 1.478 0.726 0.000
O3 -0.847 1.360 0.000
Cl4 -0.448 -1.218 0.000
H5 1.703 1.794 0.000
H6 1.905 0.239 0.883
H7 1.905 0.239 -0.883

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49091.18311.80822.11922.11972.1197
C21.49092.40992.73681.09181.09441.0944
O31.18312.40992.60912.58663.09923.0992
Cl41.80822.73682.60913.70182.90452.9045
H52.11921.09182.58663.70181.79961.7996
H62.11971.09443.09922.90451.79961.7652
H72.11971.09443.09922.90451.79961.7652

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 109.302 C1 C2 H6 109.194
C1 C2 H7 109.194 C2 C1 O3 128.273
C2 C1 Cl4 111.748 O3 C1 Cl4 119.978
H5 C2 H6 110.806 H5 C2 H7 110.806
H6 C2 H7 107.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.004      
2 C 0.718      
3 O -0.379      
4 Cl -0.119      
5 H -0.143      
6 H -0.037      
7 H -0.037      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.868 0.215 0.000 2.876
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.582 0.404 0.000
y 0.404 7.933 0.000
z 0.000 0.000 4.793


<r2> (average value of r2) Å2
<r2> 101.235
(<r2>)1/2 10.062