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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: B1B95/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 B1B95/cc-pVTZ
 hartrees
Energy at 0K-2613.111623
Energy at 298.15K-2613.114358
HF Energy-2613.111623
Nuclear repulsion energy70.874578
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 B1B95/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' 2937 2811 52.05      
2 A' 1163 1113 3.99      
3 A' 703 673 64.72      

Unscaled Zero Point Vibrational Energy (zpe) 2400.9 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 2297.9 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 B1B95/cc-pVTZ
ABC
15.63426 0.43170 0.42010

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.537 0.000
Br2 0.026 -0.313 0.000
H3 -1.062 1.745 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.85051.1079
Br21.85052.3283
H31.10792.3283

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 100.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.220      
2 Br 0.083      
3 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.360 -0.765 0.000 1.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.212 -3.033 0.000
y -3.033 -25.685 0.000
z 0.000 0.000 -23.675
Traceless
 xyz
x -0.532 -3.033 0.000
y -3.033 -1.241 0.000
z 0.000 0.000 1.773
Polar
3z2-r23.546
x2-y20.473
xy-3.033
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.576 -0.222 0.000
y -0.222 6.647 0.000
z 0.000 0.000 3.068


<r2> (average value of r2) Å2
<r2> 37.339
(<r2>)1/2 6.111

State 2 (3A")

Jump to S1C1
Energy calculated at B1B95/cc-pVTZ
 hartrees
Energy at 0K-2613.107788
Energy at 298.15K-2613.110503
HF Energy-2613.107788
Nuclear repulsion energy71.705076
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 B1B95/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' 3202 3065 4.77      
2 A' 898 859 5.15      
3 A' 762 729 25.93      

Unscaled Zero Point Vibrational Energy (zpe) 2431.0 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 2326.7 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 B1B95/cc-pVTZ
ABC
26.17169 0.43402 0.42694

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.486 0.000
Br2 0.021 -0.316 0.000
H3 -0.841 2.141 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.80241.0815
Br21.80242.6032
H31.08152.6032

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.254      
2 Br 0.083      
3 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.718 0.089 0.000 0.724
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.173 -1.702 0.000
y -1.702 -22.195 0.000
z 0.000 0.000 -25.324
Traceless
 xyz
x -0.413 -1.702 0.000
y -1.702 2.553 0.000
z 0.000 0.000 -2.140
Polar
3z2-r2-4.280
x2-y2-1.978
xy-1.702
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.191 -0.149 0.000
y -0.149 6.201 0.000
z 0.000 0.000 2.945


<r2> (average value of r2) Å2
<r2> 36.984
(<r2>)1/2 6.081