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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: BLYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-2610.436918
Energy at 298.15K-2610.439627
HF Energy-2610.436918
Nuclear repulsion energy69.752068
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/6-31G(2df,p)
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' 2791 2775 67.63      
2 A' 1131 1125 2.45      
3 A' 660 657 44.68      

Unscaled Zero Point Vibrational Energy (zpe) 2290.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 2278.2 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/6-31G(2df,p)
ABC
15.03995 0.41823 0.40691

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.563 0.000
Br2 0.026 -0.318 0.000
H3 -1.082 1.761 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.88121.1263
Br21.88122.3561
H31.12632.3561

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 100.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.267      
2 Br 0.113      
3 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.149 -0.694 0.000 1.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.890 -2.650 0.000
y -2.650 -25.429 0.000
z 0.000 0.000 -23.391
Traceless
 xyz
x -0.480 -2.650 0.000
y -2.650 -1.289 0.000
z 0.000 0.000 1.768
Polar
3z2-r23.537
x2-y20.539
xy-2.650
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.873 -0.323 0.000
y -0.323 6.472 0.000
z 0.000 0.000 3.298


<r2> (average value of r2) Å2
<r2> 37.848
(<r2>)1/2 6.152

State 2 (3A")

Jump to S1C1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-2610.427637
Energy at 298.15K-2610.430339
HF Energy-2610.427637
Nuclear repulsion energy71.053742
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/6-31G(2df,p)
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' 3098 3081 4.42      
2 A' 885 880 7.85      
3 A' 743 739 18.24      

Unscaled Zero Point Vibrational Energy (zpe) 2363.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 2350.4 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 BLYP/6-31G(2df,p)
ABC
25.15203 0.42647 0.41936

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.500 0.000
Br2 0.021 -0.319 0.000
H3 -0.857 2.153 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.81901.0944
Br21.81902.6234
H31.09442.6234

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.285      
2 Br 0.129      
3 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.675 0.034 0.000 0.675
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.818 -1.598 0.000
y -1.598 -22.227 0.000
z 0.000 0.000 -24.910
Traceless
 xyz
x -0.249 -1.598 0.000
y -1.598 2.137 0.000
z 0.000 0.000 -1.888
Polar
3z2-r2-3.775
x2-y2-1.590
xy-1.598
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.454 -0.249 0.000
y -0.249 6.213 0.000
z 0.000 0.000 3.136


<r2> (average value of r2) Å2
<r2> 37.223
(<r2>)1/2 6.101