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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-2609.726888
Energy at 298.15K-2609.729562
HF Energy-2609.726888
Nuclear repulsion energy67.288139
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 PBE1PBE/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' 2836 2711 118.12      
2 A' 1179 1127 10.25      
3 A' 589 563 82.73      

Unscaled Zero Point Vibrational Energy (zpe) 2302.2 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 2200.7 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 PBE1PBE/6-31G
ABC
14.93821 0.38746 0.37766

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.625 0.000
Br2 0.026 -0.331 0.000
H3 -1.086 1.820 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.95561.1289
Br21.95562.4208
H31.12892.4208

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 99.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.261      
2 Br 0.088      
3 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.715 -0.188 0.000 1.725
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.441 -3.347 0.000
y -3.347 -25.797 0.000
z 0.000 0.000 -23.792
Traceless
 xyz
x -0.646 -3.347 0.000
y -3.347 -1.180 0.000
z 0.000 0.000 1.827
Polar
3z2-r23.653
x2-y20.356
xy-3.347
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.203 -0.418 0.000
y -0.418 6.186 0.000
z 0.000 0.000 1.623


<r2> (average value of r2) Å2
<r2> 39.808
(<r2>)1/2 6.309

State 2 (3A")

Jump to S1C1
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-2609.737154
Energy at 298.15K-2609.739842
HF Energy-2609.737154
Nuclear repulsion energy69.439296
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 PBE1PBE/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' 3250 3107 4.19      
2 A' 926 885 2.19      
3 A' 691 661 32.09      

Unscaled Zero Point Vibrational Energy (zpe) 2433.4 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 2326.1 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 PBE1PBE/6-31G
ABC
25.27537 0.40641 0.39998

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.540 0.000
Br2 0.021 -0.326 0.000
H3 -0.854 2.184 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.86621.0861
Br21.86622.6581
H31.08612.6581

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.344      
2 Br 0.137      
3 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.903 0.489 0.000 1.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.185 -1.917 0.000
y -1.917 -22.117 0.000
z 0.000 0.000 -25.357
Traceless
 xyz
x -0.448 -1.917 0.000
y -1.917 2.654 0.000
z 0.000 0.000 -2.206
Polar
3z2-r2-4.412
x2-y2-2.068
xy-1.917
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.609 -0.220 0.000
y -0.220 5.294 0.000
z 0.000 0.000 1.157


<r2> (average value of r2) Å2
<r2> 38.388
(<r2>)1/2 6.196