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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: PBEPBE/cc-pVTZ

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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-498.560655
Energy at 298.15K-498.560509
HF Energy-498.560655
Nuclear repulsion energy38.457874
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 PBEPBE/cc-pVTZ
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' 2786 2767 88.58      
2 A' 1197 1189 6.44      
3 A' 794 788 73.11      

Unscaled Zero Point Vibrational Energy (zpe) 2388.3 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 2371.8 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 PBEPBE/cc-pVTZ
ABC
15.28740 0.59387 0.57166

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.202 0.000
Cl2 0.046 -0.508 0.000
H3 -1.057 1.420 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.70911.1240
Cl21.70912.2204
H31.12402.2204

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 Cl 0.067      
3 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.369 -0.777 0.000 1.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.549 -2.500 0.000
y -2.500 -20.041 0.000
z 0.000 0.000 -18.055
Traceless
 xyz
x -0.502 -2.500 0.000
y -2.500 -1.239 0.000
z 0.000 0.000 1.740
Polar
3z2-r23.481
x2-y20.492
xy-2.500
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.076 -0.254 0.000
y -0.254 5.255 0.000
z 0.000 0.000 2.491


<r2> (average value of r2) Å2
<r2> 28.224
(<r2>)1/2 5.313

State 2 (3A")

Jump to S1C1
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-498.556830
Energy at 298.15K-498.556669
HF Energy-498.556830
Nuclear repulsion energy38.997151
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 PBEPBE/cc-pVTZ
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' 921 915 3.44      
2 A' 883 877 40.46      
3 A' 3112 3091 5.00      

Unscaled Zero Point Vibrational Energy (zpe) 2457.8 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 2440.9 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 PBEPBE/cc-pVTZ
ABC
25.35037 0.59513 0.58148

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.151 0.000
Cl2 0.037 -0.512 0.000
H3 -0.842 1.798 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.66351.0912
Cl21.66352.4718
H31.09122.4718

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.191      
2 Cl 0.045      
3 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.741 0.130 0.000 0.753
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.435 -1.493 0.000
y -1.493 -17.253 0.000
z 0.000 0.000 -19.599
Traceless
 xyz
x -0.009 -1.493 0.000
y -1.493 1.764 0.000
z 0.000 0.000 -1.755
Polar
3z2-r2-3.510
x2-y2-1.182
xy-1.493
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.616 -0.176 0.000
y -0.176 5.030 0.000
z 0.000 0.000 2.343


<r2> (average value of r2) Å2
<r2> 27.896
(<r2>)1/2 5.282