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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-496.420657
Energy at 298.15K-496.420450
HF Energy-496.420657
Nuclear repulsion energy36.811495
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 BLYP/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' 2634 2617 129.44      
2 A' 1232 1224 10.45      
3 A' 649 645 93.20      

Unscaled Zero Point Vibrational Energy (zpe) 2257.9 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 2243.2 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 BLYP/3-21G*
ABC
14.59281 0.54133 0.52196

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.047 1.262 0.000
Cl2 0.047 -0.531 0.000
H3 -1.079 1.456 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.79351.1430
Cl21.79352.2844
H31.14302.2844

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 99.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.222      
2 Cl 0.043      
3 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.479 -0.374 0.000 1.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.656 -2.461 0.000
y -2.461 -19.991 0.000
z 0.000 0.000 -18.123
Traceless
 xyz
x -0.599 -2.461 0.000
y -2.461 -1.101 0.000
z 0.000 0.000 1.701
Polar
3z2-r23.402
x2-y20.335
xy-2.461
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.344 -0.409 0.000
y -0.409 4.794 0.000
z 0.000 0.000 1.722


<r2> (average value of r2) Å2
<r2> 29.721
(<r2>)1/2 5.452

State 2 (3A")

Jump to S1C1
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-496.416386
Energy at 298.15K-496.416202
HF Energy-496.416386
Nuclear repulsion energy38.219739
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 BLYP/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' 957 951 7.20      
2 A' 794 789 41.26      
3 A' 3078 3058 7.18      

Unscaled Zero Point Vibrational Energy (zpe) 2414.2 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 2398.5 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 BLYP/3-21G*
ABC
24.24251 0.57113 0.55798

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.179 0.000
Cl2 0.037 -0.523 0.000
H3 -0.859 1.808 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.70171.0953
Cl21.70172.4973
H31.09532.4973

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 Cl 0.068      
3 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.871 0.268 0.000 0.911
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.374 -1.582 0.000
y -1.582 -17.200 0.000
z 0.000 0.000 -19.530
Traceless
 xyz
x -0.009 -1.582 0.000
y -1.582 1.751 0.000
z 0.000 0.000 -1.743
Polar
3z2-r2-3.486
x2-y2-1.173
xy-1.582
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.759 -0.248 0.000
y -0.248 4.347 0.000
z 0.000 0.000 1.285


<r2> (average value of r2) Å2
<r2> 28.497
(<r2>)1/2 5.338