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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-2609.863666
Energy at 298.15K-2609.866390
HF Energy-2609.863666
Nuclear repulsion energy70.338646
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 2922 2789 70.17      
2 A' 1174 1120 3.69      
3 A' 684 653 66.57      

Unscaled Zero Point Vibrational Energy (zpe) 2390.0 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 2280.7 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 HSEh1PBE/6-31G**
ABC
15.30524 0.42527 0.41378

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.550 0.000
Br2 0.026 -0.316 0.000
H3 -1.073 1.746 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.86551.1166
Br21.86552.3365
H31.11662.3365

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 100.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.120      
2 Br -0.025      
3 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.373 -0.660 0.000 1.523
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.019 -2.971 0.000
y -2.971 -25.292 0.000
z 0.000 0.000 -23.445
Traceless
 xyz
x -0.650 -2.971 0.000
y -2.971 -1.060 0.000
z 0.000 0.000 1.711
Polar
3z2-r23.421
x2-y20.273
xy-2.971
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.177 -0.354 0.000
y -0.354 5.924 0.000
z 0.000 0.000 2.620


<r2> (average value of r2) Å2
<r2> 37.484
(<r2>)1/2 6.122

State 2 (3A")

Jump to S1C1
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-2609.867055
Energy at 298.15K-2609.869767
HF Energy-2609.867055
Nuclear repulsion energy71.261886
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 HSEh1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3236 3089 6.34      
2 A' 919 877 3.87      
3 A' 752 718 26.51      

Unscaled Zero Point Vibrational Energy (zpe) 2453.7 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 2341.5 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 HSEh1PBE/6-31G**
ABC
25.42704 0.42886 0.42175

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.497 0.000
Br2 0.021 -0.318 0.000
H3 -0.852 2.142 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.81461.0854
Br21.81462.6098
H31.08542.6098

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.152      
2 Br -0.022      
3 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.735 0.254 0.000 0.777
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.935 -1.692 0.000
y -1.692 -21.595 0.000
z 0.000 0.000 -25.060
Traceless
 xyz
x -0.608 -1.692 0.000
y -1.692 2.903 0.000
z 0.000 0.000 -2.295
Polar
3z2-r2-4.590
x2-y2-2.341
xy-1.692
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.726 -0.243 0.000
y -0.243 5.471 0.000
z 0.000 0.000 2.350


<r2> (average value of r2) Å2
<r2> 37.005
(<r2>)1/2 6.083