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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
2 1 yes CS 3A"

State 1 (1A')

Jump to S2C1
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-498.763048
Energy at 298.15K-498.762917
HF Energy-498.763048
Nuclear repulsion energy38.732030
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 mPW1PW91/6-31G(2df,p)
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' 2929 2796 64.17      
2 A' 1239 1183 5.85      
3 A' 834 796 91.04      

Unscaled Zero Point Vibrational Energy (zpe) 2501.1 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 2387.8 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 mPW1PW91/6-31G(2df,p)
ABC
15.57057 0.60215 0.57973

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.193 0.000
Cl2 0.046 -0.504 0.000
H3 -1.047 1.413 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.69701.1146
Cl21.69702.2065
H31.11462.2065

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.200      
2 Cl 0.018      
3 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.356 -0.552 0.000 1.464
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.110 -2.406 0.000
y -2.406 -19.548 0.000
z 0.000 0.000 -17.804
Traceless
 xyz
x -0.434 -2.406 0.000
y -2.406 -1.091 0.000
z 0.000 0.000 1.525
Polar
3z2-r23.050
x2-y20.438
xy-2.406
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.756 -0.336 0.000
y -0.336 4.702 0.000
z 0.000 0.000 2.324


<r2> (average value of r2) Å2
<r2> 27.754
(<r2>)1/2 5.268

State 2 (3A")

Jump to S1C1
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-498.764789
Energy at 298.15K-498.764642
HF Energy-498.764789
Nuclear repulsion energy39.117965
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 mPW1PW91/6-31G(2df,p)
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' 966 922 1.55      
2 A' 908 867 42.96      
3 A' 3233 3086 7.61      

Unscaled Zero Point Vibrational Energy (zpe) 2553.4 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 2437.7 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 mPW1PW91/6-31G(2df,p)
ABC
25.77582 0.59844 0.58486

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.036 1.148 0.000
Cl2 0.036 -0.511 0.000
H3 -0.835 1.793 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.65901.0839
Cl21.65902.4628
H31.08392.4628

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.198      
2 Cl -0.007      
3 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.702 0.449 0.000 0.833
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.111 -1.401 0.000
y -1.401 -16.601 0.000
z 0.000 0.000 -19.194
Traceless
 xyz
x -0.214 -1.401 0.000
y -1.401 2.051 0.000
z 0.000 0.000 -1.837
Polar
3z2-r2-3.675
x2-y2-1.510
xy-1.401
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.389 -0.224 0.000
y -0.224 4.465 0.000
z 0.000 0.000 2.090


<r2> (average value of r2) Å2
<r2> 27.510
(<r2>)1/2 5.245