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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: B3PW91/STO-3G

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 B3PW91/STO-3G
 hartrees
Energy at 0K-493.206857
Energy at 298.15K-493.206702
HF Energy-493.206857
Nuclear repulsion energy36.279828
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 B3PW91/STO-3G
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' 3027 2679 75.34      
2 A' 1322 1170 13.53      
3 A' 859 760 90.61      

Unscaled Zero Point Vibrational Energy (zpe) 2603.7 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 2304.3 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 B3PW91/STO-3G
ABC
13.82508 0.52656 0.50724

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.048 1.285 0.000
Cl2 0.048 -0.538 0.000
H3 -1.106 1.430 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.82311.1633
Cl21.82312.2812
H31.16332.2812

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 97.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.042      
2 Cl -0.105      
3 H 0.063      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.251 0.616 0.000 1.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.723 -1.784 0.000
y -1.784 -18.241 0.000
z 0.000 0.000 -16.370
Traceless
 xyz
x -0.417 -1.784 0.000
y -1.784 -1.195 0.000
z 0.000 0.000 1.612
Polar
3z2-r23.223
x2-y20.518
xy-1.784
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.846 -0.367 0.000
y -0.367 2.730 0.000
z 0.000 0.000 0.807


<r2> (average value of r2) Å2
<r2> 29.046
(<r2>)1/2 5.389

State 2 (3A")

Jump to S1C1
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-493.209640
Energy at 298.15K-493.209465
HF Energy-493.209640
Nuclear repulsion energy37.008688
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 B3PW91/STO-3G
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' 1056 935 4.08      
2 A' 909 805 43.83      
3 A' 3382 2993 4.34      

Unscaled Zero Point Vibrational Energy (zpe) 2674.0 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 2366.5 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 B3PW91/STO-3G
ABC
21.46607 0.53593 0.52287

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.040 1.227 0.000
Cl2 0.040 -0.539 0.000
H3 -0.909 1.799 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.76531.1077
Cl21.76532.5228
H31.10772.5228

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 121.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.013      
2 Cl -0.092      
3 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.517 1.317 0.000 1.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.678 -0.835 0.000
y -0.835 -15.893 0.000
z 0.000 0.000 -17.516
Traceless
 xyz
x 0.026 -0.835 0.000
y -0.835 1.204 0.000
z 0.000 0.000 -1.230
Polar
3z2-r2-2.460
x2-y2-0.785
xy-0.835
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.625 -0.218 0.000
y -0.218 2.458 0.000
z 0.000 0.000 0.333


<r2> (average value of r2) Å2
<r2> 28.487
(<r2>)1/2 5.337