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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-2612.346283
Energy at 298.15K-2612.349017
HF Energy-2612.346283
Nuclear repulsion energy70.422475
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 PBE1PBE/cc-pVDZ
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' 2929 2816 64.01      
2 A' 1158 1113 3.04      
3 A' 703 676 68.89      

Unscaled Zero Point Vibrational Energy (zpe) 2394.7 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 2302.5 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 PBE1PBE/cc-pVDZ
ABC
15.10938 0.42674 0.41502

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.547 0.000
Br2 0.026 -0.315 0.000
H3 -1.080 1.746 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.86201.1244
Br21.86202.3397
H31.12442.3397

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 100.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.163      
2 Br 0.051      
3 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.430 -0.749 0.000 1.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.123 -3.015 0.000
y -3.015 -25.521 0.000
z 0.000 0.000 -23.549
Traceless
 xyz
x -0.589 -3.015 0.000
y -3.015 -1.184 0.000
z 0.000 0.000 1.773
Polar
3z2-r23.546
x2-y20.397
xy-3.015
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.879 -0.336 0.000
y -0.336 6.019 0.000
z 0.000 0.000 2.323


<r2> (average value of r2) Å2
<r2> 37.524
(<r2>)1/2 6.126

State 2 (3A")

Jump to S1C1
Energy calculated at PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-2612.348504
Energy at 298.15K-2612.351220
HF Energy-2612.348504
Nuclear repulsion energy71.184360
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 PBE1PBE/cc-pVDZ
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' 3216 3092 6.53      
2 A' 903 868 4.15      
3 A' 764 735 28.92      

Unscaled Zero Point Vibrational Energy (zpe) 2441.4 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 2347.4 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 PBE1PBE/cc-pVDZ
ABC
25.22036 0.42807 0.42092

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

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 -0.856 2.153 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.81511.0953
Br21.81512.6222
H31.09532.6222

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.171      
2 Br 0.055      
3 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.738 0.144 0.000 0.752
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.076 -1.704 0.000
y -1.704 -21.878 0.000
z 0.000 0.000 -25.239
Traceless
 xyz
x -0.517 -1.704 0.000
y -1.704 2.779 0.000
z 0.000 0.000 -2.262
Polar
3z2-r2-4.524
x2-y2-2.198
xy-1.704
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.438 -0.218 0.000
y -0.218 5.553 0.000
z 0.000 0.000 2.064


<r2> (average value of r2) Å2
<r2> 37.197
(<r2>)1/2 6.099