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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: LSDA/aug-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 LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-2609.649414
Energy at 298.15K-2609.652145
HF Energy-2609.649414
Nuclear repulsion energy70.861081
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 LSDA/aug-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' 2823 2791 45.07      
2 A' 1113 1101 4.37      
3 A' 708 700 47.44      

Unscaled Zero Point Vibrational Energy (zpe) 2322.1 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 2295.9 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 LSDA/aug-cc-pVDZ
ABC
14.89245 0.43288 0.42065

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.027 1.535 0.000
Br2 0.027 -0.313 0.000
H3 -1.088 1.740 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.84811.1336
Br21.84812.3360
H31.13362.3360

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 100.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.361      
2 Br 0.389      
3 H -0.028      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.306 -1.004 0.000 1.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.576 -3.096 0.000
y -3.096 -26.314 0.000
z 0.000 0.000 -23.974
Traceless
 xyz
x -0.432 -3.096 0.000
y -3.096 -1.539 0.000
z 0.000 0.000 1.971
Polar
3z2-r23.942
x2-y20.738
xy-3.096
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.579 -0.043 0.000
y -0.043 7.389 0.000
z 0.000 0.000 3.980


<r2> (average value of r2) Å2
<r2> 37.602
(<r2>)1/2 6.132

State 2 (3A")

Jump to S1C1
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-2609.640879
Energy at 298.15K-2609.643585
HF Energy-2609.640879
Nuclear repulsion energy71.785130
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 LSDA/aug-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' 3108 3073 4.67      
2 A' 849 839 8.29      
3 A' 776 767 23.62      

Unscaled Zero Point Vibrational Energy (zpe) 2366.1 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 2339.3 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 LSDA/aug-cc-pVDZ
ABC
24.82191 0.43587 0.42835

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.482 0.000
Br2 0.021 -0.315 0.000
H3 -0.864 2.143 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.79751.1044
Br21.79752.6129
H31.10442.6129

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.194      
2 Br 0.429      
3 H -0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.758 -0.169 0.000 0.776
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.407 -1.883 0.000
y -1.883 -22.884 0.000
z 0.000 0.000 -25.764
Traceless
 xyz
x -0.083 -1.883 0.000
y -1.883 2.201 0.000
z 0.000 0.000 -2.118
Polar
3z2-r2-4.236
x2-y2-1.523
xy-1.883
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.164 -0.093 0.000
y -0.093 7.098 0.000
z 0.000 0.000 4.125


<r2> (average value of r2) Å2
<r2> 37.229
(<r2>)1/2 6.102