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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: B3LYP/CEP-121G

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-121G
 hartrees
Energy at 0K-19.473888
Energy at 298.15K-19.476564
HF Energy-19.473888
Nuclear repulsion energy10.825112
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-121G
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' 2753 2683 163.94      
2 A' 1123 1095 7.02      
3 A' 594 579 84.62      

Unscaled Zero Point Vibrational Energy (zpe) 2235.5 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 2178.5 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-121G
ABC
14.69328 0.37509 0.36575

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.027 1.652 0.000
Br2 0.027 -0.336 0.000
H3 -1.094 1.844 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.98821.1372
Br21.98822.4513
H31.13722.4513

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 99.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.211      
2 Br 0.092      
3 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.806 -0.151 0.000 1.812
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.434 -3.586 0.000
y -3.586 -22.610 0.000
z 0.000 0.000 -20.721
Traceless
 xyz
x -0.769 -3.586 0.000
y -3.586 -1.032 0.000
z 0.000 0.000 1.801
Polar
3z2-r23.602
x2-y20.176
xy-3.586
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.306 -0.329 0.000
y -0.329 7.057 0.000
z 0.000 0.000 1.611


<r2> (average value of r2) Å2
<r2> 30.007
(<r2>)1/2 5.478

State 2 (3A")

Jump to S1C1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-19.475080
Energy at 298.15K-19.477760
HF Energy-19.475080
Nuclear repulsion energy11.064823
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-121G
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' 3081 3003 5.84      
2 A' 919 895 3.71      
3 A' 667 650 34.50      

Unscaled Zero Point Vibrational Energy (zpe) 2333.4 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 2273.9 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-121G
ABC
24.12334 0.38954 0.38335

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.575 0.000
Br2 0.021 -0.333 0.000
H3 -0.873 2.212 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.90841.0981
Br21.90842.6980
H31.09812.6980

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-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.293      
2 Br 0.129      
3 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.957 0.446 0.000 1.056
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.141 -2.022 0.000
y -2.022 -18.895 0.000
z 0.000 0.000 -22.419
Traceless
 xyz
x -0.484 -2.022 0.000
y -2.022 2.884 0.000
z 0.000 0.000 -2.401
Polar
3z2-r2-4.801
x2-y2-2.245
xy-2.022
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.676 -0.146 0.000
y -0.146 6.101 0.000
z 0.000 0.000 1.245


<r2> (average value of r2) Å2
<r2> 29.366
(<r2>)1/2 5.419