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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-2610.269049
Energy at 298.15K-2610.271754
HF Energy-2610.269049
Nuclear repulsion energy69.537764
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 B3LYPultrafine/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' 2907 2785 78.79      
2 A' 1191 1141 2.82      
3 A' 648 620 66.27      

Unscaled Zero Point Vibrational Energy (zpe) 2372.4 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 2272.7 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 B3LYPultrafine/6-31G*
ABC
15.28983 0.41501 0.40404

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.569 0.000
Br2 0.026 -0.319 0.000
H3 -1.073 1.764 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.88891.1165
Br21.88892.3555
H31.11652.3555

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 100.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.138      
2 Br -0.028      
3 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.356 -0.588 0.000 1.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.039 -2.945 0.000
y -2.945 -25.228 0.000
z 0.000 0.000 -23.456
Traceless
 xyz
x -0.696 -2.945 0.000
y -2.945 -0.981 0.000
z 0.000 0.000 1.677
Polar
3z2-r23.354
x2-y20.190
xy-2.945
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.153 -0.360 0.000
y -0.360 5.983 0.000
z 0.000 0.000 2.594


<r2> (average value of r2) Å2
<r2> 37.991
(<r2>)1/2 6.164

State 2 (3A")

Jump to S1C1
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-2610.264572
Energy at 298.15K-2610.267268
HF Energy-2610.264572
Nuclear repulsion energy70.696485
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 B3LYPultrafine/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' 3196 3061 6.60      
2 A' 919 880 4.52      
3 A' 718 688 26.63      

Unscaled Zero Point Vibrational Energy (zpe) 2416.3 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 2314.8 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 B3LYPultrafine/6-31G*
ABC
24.98912 0.42205 0.41504

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.510 0.000
Br2 0.021 -0.320 0.000
H3 -0.859 2.149 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.83041.0877
Br21.83042.6216
H31.08772.6216

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.182      
2 Br -0.011      
3 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.749 0.177 0.000 0.770
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.924 -1.692 0.000
y -1.692 -21.764 0.000
z 0.000 0.000 -25.049
Traceless
 xyz
x -0.517 -1.692 0.000
y -1.692 2.723 0.000
z 0.000 0.000 -2.206
Polar
3z2-r2-4.411
x2-y2-2.160
xy-1.692
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.714 -0.246 0.000
y -0.246 5.576 0.000
z 0.000 0.000 2.320


<r2> (average value of r2) Å2
<r2> 37.375
(<r2>)1/2 6.114