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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: HSEh1PBE/6-31G*

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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-2609.861807
Energy at 298.15K-2609.864530
HF Energy-2609.861807
Nuclear repulsion energy70.301955
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 HSEh1PBE/6-31G*
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' 2932 2788 74.61      
2 A' 1196 1137 3.49      
3 A' 683 650 67.52      

Unscaled Zero Point Vibrational Energy (zpe) 2405.3 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 2287.4 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 HSEh1PBE/6-31G*
ABC
15.34363 0.42476 0.41332

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.551 0.000
Br2 0.026 -0.316 0.000
H3 -1.072 1.751 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.86631.1162
Br21.86632.3403
H31.11622.3403

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 100.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.159      
2 Br -0.023      
3 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.388 -0.665 0.000 1.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.021 -3.003 0.000
y -3.003 -25.320 0.000
z 0.000 0.000 -23.453
Traceless
 xyz
x -0.635 -3.003 0.000
y -3.003 -1.083 0.000
z 0.000 0.000 1.718
Polar
3z2-r23.436
x2-y20.299
xy-3.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.162 -0.351 0.000
y -0.351 5.916 0.000
z 0.000 0.000 2.612


<r2> (average value of r2) Å2
<r2> 37.522
(<r2>)1/2 6.125

State 2 (3A")

Jump to S1C1
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-2609.865090
Energy at 298.15K-2609.867800
HF Energy-2609.865090
Nuclear repulsion energy71.233378
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 HSEh1PBE/6-31G*
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' 3243 3084 6.87      
2 A' 923 878 3.88      
3 A' 752 715 26.37      

Unscaled Zero Point Vibrational Energy (zpe) 2458.8 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 2338.3 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 HSEh1PBE/6-31G*
ABC
25.41759 0.42851 0.42141

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.497 0.000
Br2 0.021 -0.318 0.000
H3 -0.852 2.143 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.81541.0857
Br21.81542.6109
H31.08572.6109

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.194      
2 Br -0.019      
3 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.747 0.257 0.000 0.790
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.941 -1.715 0.000
y -1.715 -21.587 0.000
z 0.000 0.000 -25.078
Traceless
 xyz
x -0.609 -1.715 0.000
y -1.715 2.923 0.000
z 0.000 0.000 -2.314
Polar
3z2-r2-4.627
x2-y2-2.355
xy-1.715
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.714 -0.237 0.000
y -0.237 5.455 0.000
z 0.000 0.000 2.337


<r2> (average value of r2) Å2
<r2> 37.026
(<r2>)1/2 6.085