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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: B1B95/3-21G*

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 B1B95/3-21G*
 hartrees
Energy at 0K-496.470993
Energy at 298.15K-496.470824
HF Energy-496.470993
Nuclear repulsion energy37.832307
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 B1B95/3-21G*
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' 2788 2662 102.36      
2 A' 1274 1217 15.50      
3 A' 724 691 117.11      

Unscaled Zero Point Vibrational Energy (zpe) 2392.9 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 2285.0 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 B1B95/3-21G*
ABC
15.25264 0.57290 0.55216

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.223 0.000
Cl2 0.046 -0.517 0.000
H3 -1.058 1.446 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.74011.1261
Cl21.74012.2522
H31.12612.2522

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.242      
2 Cl 0.040      
3 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.626 -0.417 0.000 1.679
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.559 -2.697 0.000
y -2.697 -20.110 0.000
z 0.000 0.000 -18.050
Traceless
 xyz
x -0.479 -2.697 0.000
y -2.697 -1.305 0.000
z 0.000 0.000 1.784
Polar
3z2-r23.568
x2-y20.551
xy-2.697
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.241 -0.415 0.000
y -0.415 4.553 0.000
z 0.000 0.000 1.753


<r2> (average value of r2) Å2
<r2> 28.796
(<r2>)1/2 5.366

State 2 (3A")

Jump to S1C1
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-496.475237
Energy at 298.15K-496.475080
HF Energy-496.475237
Nuclear repulsion energy38.849041
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 B1B95/3-21G*
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' 984 940 5.20      
2 A' 864 825 48.30      
3 A' 3210 3066 6.86      

Unscaled Zero Point Vibrational Energy (zpe) 2529.3 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 2415.2 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 B1B95/3-21G*
ABC
25.53962 0.58987 0.57656

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.036 1.158 0.000
Cl2 0.036 -0.514 0.000
H3 -0.838 1.798 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.67201.0842
Cl21.67202.4724
H31.08422.4724

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.305      
2 Cl 0.060      
3 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.879 0.408 0.000 0.969
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.349 -1.618 0.000
y -1.618 -17.024 0.000
z 0.000 0.000 -19.493
Traceless
 xyz
x -0.091 -1.618 0.000
y -1.618 1.897 0.000
z 0.000 0.000 -1.807
Polar
3z2-r2-3.614
x2-y2-1.325
xy-1.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.706 -0.237 0.000
y -0.237 4.090 0.000
z 0.000 0.000 1.270


<r2> (average value of r2) Å2
<r2> 27.928
(<r2>)1/2 5.285