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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: M06-2X/3-21G

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/3-21G
 hartrees
Energy at 0K-2600.171411
Energy at 298.15K-2600.174110
HF Energy-2600.171411
Nuclear repulsion energy66.595246
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/3-21G
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' 2896 2776 92.65      
2 A' 1221 1170 12.42      
3 A' 624 598 89.78      

Unscaled Zero Point Vibrational Energy (zpe) 2370.1 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 2272.2 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 M06-2X/3-21G
ABC
14.97096 0.37879 0.36944

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.645 0.000
Br2 0.026 -0.334 0.000
H3 -1.083 1.824 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.97961.1240
Br21.97962.4264
H31.12402.4264

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 99.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.304      
2 Br 0.096      
3 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.684 -0.160 0.000 1.691
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.521 -3.280 0.000
y -3.280 -25.790 0.000
z 0.000 0.000 -23.951
Traceless
 xyz
x -0.650 -3.280 0.000
y -3.280 -1.054 0.000
z 0.000 0.000 1.704
Polar
3z2-r23.408
x2-y20.270
xy-3.280
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.015 -0.428 0.000
y -0.428 6.134 0.000
z 0.000 0.000 1.540


<r2> (average value of r2) Å2
<r2> 40.349
(<r2>)1/2 6.352

State 2 (3A")

Jump to S1C1
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-2600.175232
Energy at 298.15K-2600.177930
HF Energy-2600.175232
Nuclear repulsion energy68.473387
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/3-21G
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' 3260 3126 6.41      
2 A' 932 894 2.85      
3 A' 708 679 28.73      

Unscaled Zero Point Vibrational Energy (zpe) 2450.5 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 2349.3 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 M06-2X/3-21G
ABC
24.69782 0.39495 0.38873

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.565 0.000
Br2 0.021 -0.331 0.000
H3 -0.863 2.194 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.89571.0845
Br21.89572.6747
H31.08452.6747

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/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.413      
2 Br 0.167      
3 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.857 0.417 0.000 0.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.332 -1.847 0.000
y -1.847 -22.152 0.000
z 0.000 0.000 -25.521
Traceless
 xyz
x -0.496 -1.847 0.000
y -1.847 2.775 0.000
z 0.000 0.000 -2.279
Polar
3z2-r2-4.558
x2-y2-2.180
xy-1.847
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.459 -0.269 0.000
y -0.269 5.147 0.000
z 0.000 0.000 1.027


<r2> (average value of r2) Å2
<r2> 39.089
(<r2>)1/2 6.252