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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: M06-2X/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 M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-2610.490481
Energy at 298.15K-2610.493229
HF Energy-2610.490481
Nuclear repulsion energy71.159745
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 M06-2X/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' 2999 2856 47.93      
2 A' 1177 1121 4.42      
3 A' 735 700 65.64      

Unscaled Zero Point Vibrational Energy (zpe) 2455.9 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 2339.0 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 M06-2X/6-31G(2df,p)
ABC
15.58891 0.43553 0.42370

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.530 0.000
Br2 0.026 -0.312 0.000
H3 -1.064 1.743 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.84171.1108
Br21.84172.3259
H31.11082.3259

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 101.049
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.251      
2 Br 0.069      
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
  -1.259 -0.554 0.000 1.376
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.942 -2.846 0.000
y -2.846 -25.285 0.000
z 0.000 0.000 -23.583
Traceless
 xyz
x -0.508 -2.846 0.000
y -2.846 -1.023 0.000
z 0.000 0.000 1.531
Polar
3z2-r23.062
x2-y20.343
xy-2.846
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.723 -0.306 0.000
y -0.306 6.138 0.000
z 0.000 0.000 3.268


<r2> (average value of r2) Å2
<r2> 37.011
(<r2>)1/2 6.084

State 2 (3A")

Jump to S1C1
Energy calculated at M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-2610.487230
Energy at 298.15K-2610.489964
HF Energy-2610.487230
Nuclear repulsion energy71.756520
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 M06-2X/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' 3257 3102 7.21      
2 A' 919 876 2.40      
3 A' 810 771 22.69      

Unscaled Zero Point Vibrational Energy (zpe) 2492.7 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 2374.1 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 M06-2X/6-31G(2df,p)
ABC
26.42410 0.43454 0.42751

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.020 1.485 0.000
Br2 0.020 -0.316 0.000
H3 -0.837 2.144 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.80071.0817
Br21.80072.6054
H31.08172.6054

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.279      
2 Br 0.081      
3 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.637 0.432 0.000 0.770
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.013 -1.572 0.000
y -1.572 -21.666 0.000
z 0.000 0.000 -25.082
Traceless
 xyz
x -0.639 -1.572 0.000
y -1.572 2.882 0.000
z 0.000 0.000 -2.242
Polar
3z2-r2-4.485
x2-y2-2.347
xy-1.572
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.357 -0.243 0.000
y -0.243 5.743 0.000
z 0.000 0.000 3.085


<r2> (average value of r2) Å2
<r2> 36.769
(<r2>)1/2 6.064