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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: PBEPBE/cc-pVDZ

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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-2612.257609
Energy at 298.15K-2612.260322
HF Energy-2612.257609
Nuclear repulsion energy69.596072
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 PBEPBE/cc-pVDZ
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' 2781 2765 88.72      
2 A' 1123 1116 2.16      
3 A' 667 663 54.35      

Unscaled Zero Point Vibrational Energy (zpe) 2285.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 2272.0 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 PBEPBE/cc-pVDZ
ABC
14.60399 0.41694 0.40536

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.027 1.567 0.000
Br2 0.027 -0.319 0.000
H3 -1.098 1.749 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.88551.1390
Br21.88552.3531
H31.13902.3531

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 99.174
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 Br 0.074      
3 H 0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.319 -0.889 0.000 1.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.155 -2.797 0.000
y -2.797 -25.630 0.000
z 0.000 0.000 -23.512
Traceless
 xyz
x -0.583 -2.797 0.000
y -2.797 -1.296 0.000
z 0.000 0.000 1.880
Polar
3z2-r23.760
x2-y20.475
xy-2.797
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.012 -0.349 0.000
y -0.349 6.196 0.000
z 0.000 0.000 2.313


<r2> (average value of r2) Å2
<r2> 38.044
(<r2>)1/2 6.168

State 2 (3A")

Jump to S1C1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-2612.253522
Energy at 298.15K-2612.256219
HF Energy-2612.253522
Nuclear repulsion energy70.726521
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 PBEPBE/cc-pVDZ
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' 3109 3091 5.39      
2 A' 868 863 6.49      
3 A' 740 736 26.31      

Unscaled Zero Point Vibrational Energy (zpe) 2358.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 2345.2 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 PBEPBE/cc-pVDZ
ABC
24.32882 0.42290 0.41567

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.507 0.000
Br2 0.021 -0.320 0.000
H3 -0.871 2.158 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.82711.1047
Br21.82712.6338
H31.10472.6338

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.181      
2 Br 0.078      
3 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.749 -0.086 0.000 0.754
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.028 -1.716 0.000
y -1.716 -22.201 0.000
z 0.000 0.000 -25.218
Traceless
 xyz
x -0.318 -1.716 0.000
y -1.716 2.422 0.000
z 0.000 0.000 -2.104
Polar
3z2-r2-4.207
x2-y2-1.827
xy-1.716
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.500 -0.234 0.000
y -0.234 5.832 0.000
z 0.000 0.000 2.087


<r2> (average value of r2) Å2
<r2> 37.522
(<r2>)1/2 6.126