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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-498.540777
Energy at 298.15K-498.540645
HF Energy-498.540777
Nuclear repulsion energy38.505295
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 PBE1PBE/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' 2915 2778 95.98      
2 A' 1270 1210 8.82      
3 A' 827 788 109.74      

Unscaled Zero Point Vibrational Energy (zpe) 2505.7 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 2388.2 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 PBE1PBE/6-31G**
ABC
15.55497 0.59456 0.57267

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.200 0.000
Cl2 0.046 -0.507 0.000
H3 -1.048 1.428 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.70721.1173
Cl21.70722.2233
H31.11732.2233

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 Cl 0.068      
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
  -1.528 -0.527 0.000 1.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.354 -2.570 0.000
y -2.570 -19.987 0.000
z 0.000 0.000 -17.831
Traceless
 xyz
x -0.446 -2.570 0.000
y -2.570 -1.394 0.000
z 0.000 0.000 1.840
Polar
3z2-r23.679
x2-y20.632
xy-2.570
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.335 -0.385 0.000
y -0.385 4.512 0.000
z 0.000 0.000 1.831


<r2> (average value of r2) Å2
<r2> 28.103
(<r2>)1/2 5.301

State 2 (3A")

Jump to S1C1
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-498.545038
Energy at 298.15K-498.544897
HF Energy-498.545038
Nuclear repulsion energy38.963875
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 PBE1PBE/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' 997 950 1.32      
2 A' 914 871 51.25      
3 A' 3250 3098 7.90      

Unscaled Zero Point Vibrational Energy (zpe) 2580.5 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 2459.5 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 PBE1PBE/6-31G**
ABC
25.40140 0.59380 0.58023

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.154 0.000
Cl2 0.037 -0.513 0.000
H3 -0.841 1.793 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.66631.0854
Cl21.66632.4667
H31.08542.4667

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 Cl 0.064      
3 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.796 0.478 0.000 0.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.225 -1.493 0.000
y -1.493 -16.885 0.000
z 0.000 0.000 -19.351
Traceless
 xyz
x -0.107 -1.493 0.000
y -1.493 1.903 0.000
z 0.000 0.000 -1.796
Polar
3z2-r2-3.592
x2-y2-1.340
xy-1.493
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.876 -0.231 0.000
y -0.231 4.187 0.000
z 0.000 0.000 1.479


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