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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: PBEPBEultrafine/cc-pVDZ

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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-498.531597
Energy at 298.15K-498.531448
HF Energy-498.531597
Nuclear repulsion energy38.044138
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 PBEPBEultrafine/cc-pVDZ
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' 2765 2748 109.63      
2 A' 1189 1182 4.72      
3 A' 789 785 82.90      

Unscaled Zero Point Vibrational Energy (zpe) 2371.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 2357.5 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 PBEPBEultrafine/cc-pVDZ
ABC
14.74382 0.58179 0.55971

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.047 1.216 0.000
Cl2 0.047 -0.513 0.000
H3 -1.075 1.417 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.72851.1395
Cl21.72852.2319
H31.13952.2319

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 100.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.149      
2 Cl 0.051      
3 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.383 -0.717 0.000 1.558
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.389 -2.370 0.000
y -2.370 -19.859 0.000
z 0.000 0.000 -17.856
Traceless
 xyz
x -0.532 -2.370 0.000
y -2.370 -1.236 0.000
z 0.000 0.000 1.768
Polar
3z2-r23.536
x2-y20.470
xy-2.370
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.515 -0.359 0.000
y -0.359 4.783 0.000
z 0.000 0.000 1.857


<r2> (average value of r2) Å2
<r2> 28.440
(<r2>)1/2 5.333

State 2 (3A")

Jump to S1C1
Energy calculated at PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-498.527477
Energy at 298.15K-498.527314
HF Energy-498.527477
Nuclear repulsion energy38.616062
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 PBEPBEultrafine/cc-pVDZ
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' 921 916 1.97      
2 A' 878 873 47.86      
3 A' 3108 3090 5.89      

Unscaled Zero Point Vibrational Energy (zpe) 2453.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 2439.1 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 PBEPBEultrafine/cc-pVDZ
ABC
24.32017 0.58416 0.57046

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.163 0.000
Cl2 0.037 -0.517 0.000
H3 -0.859 1.807 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.68001.1041
Cl21.68002.4911
H31.10412.4911

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 Cl 0.042      
3 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.763 0.153 0.000 0.778
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.257 -1.474 0.000
y -1.474 -17.054 0.000
z 0.000 0.000 -19.413
Traceless
 xyz
x -0.023 -1.474 0.000
y -1.474 1.781 0.000
z 0.000 0.000 -1.758
Polar
3z2-r2-3.516
x2-y2-1.203
xy-1.474
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.999 -0.239 0.000
y -0.239 4.561 0.000
z 0.000 0.000 1.581


<r2> (average value of r2) Å2
<r2> 28.089
(<r2>)1/2 5.300