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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: mPW1PW91/6-31G**

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**
 hartrees
Energy at 0K-498.753276
Energy at 298.15K-498.753141
HF Energy-498.753276
Nuclear repulsion energy38.491252
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**
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' 2915 2773 92.60      
2 A' 1253 1192 9.29      
3 A' 822 782 109.21      

Unscaled Zero Point Vibrational Energy (zpe) 2495.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 2374.0 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**
ABC
15.55704 0.59400 0.57216

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.201 0.000
Cl2 0.046 -0.508 0.000
H3 -1.048 1.424 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.70851.1158
Cl21.70852.2197
H31.11582.2197

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.213      
2 Cl 0.064      
3 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.518 -0.502 0.000 1.599
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.309 -2.552 0.000
y -2.552 -19.913 0.000
z 0.000 0.000 -17.794
Traceless
 xyz
x -0.456 -2.552 0.000
y -2.552 -1.361 0.000
z 0.000 0.000 1.817
Polar
3z2-r23.634
x2-y20.603
xy-2.552
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.343 -0.383 0.000
y -0.383 4.525 0.000
z 0.000 0.000 1.840


<r2> (average value of r2) Å2
<r2> 28.077
(<r2>)1/2 5.299

State 2 (3A")

Jump to S1C1
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-498.757810
Energy at 298.15K-498.757666
HF Energy-498.757810
Nuclear repulsion energy38.930962
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**
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' 991 943 1.38      
2 A' 908 864 51.55      
3 A' 3246 3089 7.48      

Unscaled Zero Point Vibrational Energy (zpe) 2572.7 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 2447.9 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**
ABC
25.57868 0.59250 0.57908

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.036 1.155 0.000
Cl2 0.036 -0.513 0.000
H3 -0.838 1.795 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.66811.0839
Cl21.66812.4687
H31.08392.4687

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.242      
2 Cl 0.060      
3 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.778 0.500 0.000 0.925
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.192 -1.468 0.000
y -1.468 -16.822 0.000
z 0.000 0.000 -19.296
Traceless
 xyz
x -0.133 -1.468 0.000
y -1.468 1.922 0.000
z 0.000 0.000 -1.789
Polar
3z2-r2-3.578
x2-y2-1.370
xy-1.468
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.884 -0.232 0.000
y -0.232 4.201 0.000
z 0.000 0.000 1.491


<r2> (average value of r2) Å2
<r2> 27.744
(<r2>)1/2 5.267