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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-2610.270893
Energy at 298.15K-2610.273600
HF Energy-2610.270893
Nuclear repulsion energy69.597113
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/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' 2901 2787 74.08      
2 A' 1171 1125 2.99      
3 A' 651 625 65.28      

Unscaled Zero Point Vibrational Energy (zpe) 2361.2 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 2268.6 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/6-31G**
ABC
15.26928 0.41578 0.40476

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.568 0.000
Br2 0.026 -0.319 0.000
H3 -1.074 1.759 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.88751.1164
Br21.88752.3512
H31.11642.3512

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 99.824
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.100      
2 Br -0.030      
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
  -1.342 -0.585 0.000 1.465
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.037 -2.916 0.000
y -2.916 -25.204 0.000
z 0.000 0.000 -23.447
Traceless
 xyz
x -0.711 -2.916 0.000
y -2.916 -0.962 0.000
z 0.000 0.000 1.673
Polar
3z2-r23.346
x2-y20.167
xy-2.916
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.164 -0.362 0.000
y -0.362 5.988 0.000
z 0.000 0.000 2.604


<r2> (average value of r2) Å2
<r2> 37.939
(<r2>)1/2 6.159

State 2 (3A")

Jump to S1C1
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-2610.266538
Energy at 298.15K-2610.269238
HF Energy-2610.266538
Nuclear repulsion energy70.716774
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/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' 3192 3067 5.90      
2 A' 916 880 4.41      
3 A' 723 695 26.83      

Unscaled Zero Point Vibrational Energy (zpe) 2415.3 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 2320.6 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/6-31G**
ABC
24.97367 0.42231 0.41528

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 2.148 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.82991.0873
Br21.82992.6203
H31.08732.6203

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.139      
2 Br -0.014      
3 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.737 0.175 0.000 0.757
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.919 -1.668 0.000
y -1.668 -21.771 0.000
z 0.000 0.000 -25.033
Traceless
 xyz
x -0.517 -1.668 0.000
y -1.668 2.705 0.000
z 0.000 0.000 -2.188
Polar
3z2-r2-4.377
x2-y2-2.148
xy-1.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.727 -0.251 0.000
y -0.251 5.591 0.000
z 0.000 0.000 2.334


<r2> (average value of r2) Å2
<r2> 37.358
(<r2>)1/2 6.112