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

using model chemistry: MP2/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/cc-pV(T+d)Z
 hartrees
Energy at 0K-612.680095
Energy at 298.15K 
Nuclear repulsion energy149.160956
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 MP2/cc-pV(T+d)Z
Rotational Constants (cm-1) from geometry optimized at MP2/cc-pV(T+d)Z
ABC
0.33757 0.16573 0.11348

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.529 0.000
C2 1.486 0.700 0.000
O3 -0.835 1.376 0.000
Cl4 -0.456 -1.210 0.000
H5 1.727 1.759 0.000
H6 1.901 0.211 0.878
H7 1.901 0.211 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 Cl4 H5 H6 H7
C11.49551.18991.79742.11982.11792.1179
C21.49552.41732.72411.08521.08741.0874
O31.18992.41732.61362.59033.10093.1009
Cl41.79742.72412.61363.68462.88912.8891
H52.11981.08522.59033.68461.78761.7876
H62.11791.08743.10092.88911.78761.7554
H72.11791.08743.10092.88911.78761.7554

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 109.424 C1 C2 H6 109.135
C1 C2 H7 109.135 C2 C1 O3 127.992
C2 C1 Cl4 111.305 O3 C1 Cl4 120.702
H5 C2 H6 110.735 H5 C2 H7 110.735
H6 C2 H7 107.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability