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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: wB97X-D/aug-cc-pVTZ

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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-2612.825910
Energy at 298.15K-2612.828646
HF Energy-2612.825910
Nuclear repulsion energy70.884522
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 wB97X-D/aug-cc-pVTZ
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' 2958 2830 37.85      
2 A' 1168 1117 4.92      
3 A' 704 674 67.34      

Unscaled Zero Point Vibrational Energy (zpe) 2415.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 2310.5 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 wB97X-D/aug-cc-pVTZ
ABC
15.74726 0.43172 0.42020

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.534 0.000
Br2 0.026 -0.312 0.000
H3 -1.062 1.734 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.84641.1063
Br21.84642.3176
H31.10632.3176

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 100.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.611      
2 Br 0.276      
3 H 0.335      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.364 -0.759 0.000 1.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.346 -3.217 0.000
y -3.217 -25.849 0.000
z 0.000 0.000 -23.925
Traceless
 xyz
x -0.459 -3.217 0.000
y -3.217 -1.214 0.000
z 0.000 0.000 1.673
Polar
3z2-r23.346
x2-y20.503
xy-3.217
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.617 -0.052 0.000
y -0.052 7.312 0.000
z 0.000 0.000 4.253


<r2> (average value of r2) Å2
<r2> 37.465
(<r2>)1/2 6.121

State 2 (3A")

Jump to S1C1
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-2612.823445
Energy at 298.15K-2612.826160
HF Energy-2612.823445
Nuclear repulsion energy71.467571
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 wB97X-D/aug-cc-pVTZ
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' 3208 3069 3.69      
2 A' 902 863 3.83      
3 A' 761 728 25.36      

Unscaled Zero Point Vibrational Energy (zpe) 2435.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 2330.1 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 wB97X-D/aug-cc-pVTZ
ABC
26.23918 0.43101 0.42405

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.492 0.000
Br2 0.021 -0.317 0.000
H3 -0.851 2.135 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.80831.0836
Br21.80832.6023
H31.08362.6023

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.654      
2 Br 0.307      
3 H 0.346      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.692 0.171 0.000 0.713
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.337 -1.707 0.000
y -1.707 -22.196 0.000
z 0.000 0.000 -25.528
Traceless
 xyz
x -0.474 -1.707 0.000
y -1.707 2.736 0.000
z 0.000 0.000 -2.262
Polar
3z2-r2-4.523
x2-y2-2.140
xy-1.707
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.322 -0.080 0.000
y -0.080 6.835 0.000
z 0.000 0.000 4.288


<r2> (average value of r2) Å2
<r2> 37.210
(<r2>)1/2 6.100