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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-498.563575
Energy at 298.15K-498.563440
HF Energy-498.563575
Nuclear repulsion energy38.490537
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 2903 2771 93.94      
2 A' 1250 1192 9.21      
3 A' 823 785 108.38      

Unscaled Zero Point Vibrational Energy (zpe) 2487.7 cm-1
Scaled (by 0.9543) 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 HSEh1PBE/6-31G**
ABC
15.50447 0.59418 0.57225

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 -1.049 1.424 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.70821.1176
Cl21.70822.2202
H31.11762.2202

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.212      
2 Cl 0.066      
3 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.509 -0.516 0.000 1.595
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.350 -2.539 0.000
y -2.539 -19.958 0.000
z 0.000 0.000 -17.825
Traceless
 xyz
x -0.458 -2.539 0.000
y -2.539 -1.370 0.000
z 0.000 0.000 1.828
Polar
3z2-r23.657
x2-y20.608
xy-2.539
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.354 -0.386 0.000
y -0.386 4.526 0.000
z 0.000 0.000 1.841


<r2> (average value of r2) Å2
<r2> 28.100
(<r2>)1/2 5.301

State 2 (3A")

Jump to S1C1
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-498.568102
Energy at 298.15K-498.567958
HF Energy-498.568102
Nuclear repulsion energy38.952073
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 987 942 1.47      
2 A' 910 869 51.09      
3 A' 3239 3091 7.14      

Unscaled Zero Point Vibrational Energy (zpe) 2568.0 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 2450.6 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 HSEh1PBE/6-31G**
ABC
25.55158 0.59326 0.57980

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.036 1.154 0.000
Cl2 0.036 -0.513 0.000
H3 -0.838 1.796 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.66681.0851
Cl21.66682.4689
H31.08512.4689

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.242      
2 Cl 0.062      
3 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.781 0.476 0.000 0.914
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.223 -1.473 0.000
y -1.473 -16.872 0.000
z 0.000 0.000 -19.329
Traceless
 xyz
x -0.123 -1.473 0.000
y -1.473 1.903 0.000
z 0.000 0.000 -1.781
Polar
3z2-r2-3.562
x2-y2-1.351
xy-1.473
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.889 -0.239 0.000
y -0.239 4.206 0.000
z 0.000 0.000 1.493


<r2> (average value of r2) Å2
<r2> 27.751
(<r2>)1/2 5.268