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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-19.472512
Energy at 298.15K-19.475183
HF Energy-19.472512
Nuclear repulsion energy10.813498
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 B3LYP/CEP-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' 2820 2730 191.74      
2 A' 1122 1087 15.80      
3 A' 597 578 82.65      

Unscaled Zero Point Vibrational Energy (zpe) 2269.5 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 2197.7 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 B3LYP/CEP-31G
ABC
14.55787 0.37473 0.36533

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.027 1.653 0.000
Br2 0.027 -0.336 0.000
H3 -1.099 1.841 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.98941.1414
Br21.98942.4510
H31.14142.4510

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 99.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.198      
2 Br 0.068      
3 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.916 -0.112 0.000 1.919
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.249 -3.792 0.000
y -3.792 -22.579 0.000
z 0.000 0.000 -20.718
Traceless
 xyz
x -0.600 -3.792 0.000
y -3.792 -1.095 0.000
z 0.000 0.000 1.695
Polar
3z2-r23.391
x2-y20.330
xy-3.792
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.902 -0.278 0.000
y -0.278 7.018 0.000
z 0.000 0.000 1.613


<r2> (average value of r2) Å2
<r2> 29.977
(<r2>)1/2 5.475

State 2 (3A")

Jump to S1C1
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-19.473218
Energy at 298.15K-19.475890
HF Energy-19.473218
Nuclear repulsion energy11.042796
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 B3LYP/CEP-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' 3140 3041 9.87      
2 A' 913 884 3.46      
3 A' 667 646 35.19      

Unscaled Zero Point Vibrational Energy (zpe) 2360.0 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 2285.4 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 B3LYP/CEP-31G
ABC
23.90798 0.38854 0.38233

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.577 0.000
Br2 0.021 -0.334 0.000
H3 -0.877 2.218 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.91041.1038
Br21.91042.7051
H31.10382.7051

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.302      
2 Br 0.093      
3 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.081 0.498 0.000 1.190
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.027 -2.294 0.000
y -2.294 -18.767 0.000
z 0.000 0.000 -22.404
Traceless
 xyz
x -0.442 -2.294 0.000
y -2.294 2.948 0.000
z 0.000 0.000 -2.506
Polar
3z2-r2-5.013
x2-y2-2.260
xy-2.294
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.414 -0.080 0.000
y -0.080 6.041 0.000
z 0.000 0.000 1.094


<r2> (average value of r2) Å2
<r2> 29.367
(<r2>)1/2 5.419