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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: CID/6-31G*

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 CID/6-31G*
 hartrees
Energy at 0K-2608.426077
Energy at 298.15K-2608.428796
HF Energy-2608.202909
Nuclear repulsion energy69.884717
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 CID/6-31G*
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' 3026 2795 62.99      
2 A' 1219 1126 2.78      
3 A' 668 617 90.41      

Unscaled Zero Point Vibrational Energy (zpe) 2456.3 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 2268.9 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 CID/6-31G*
ABC
15.66794 0.41893 0.40802

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.560 0.000
Br2 0.026 -0.318 0.000
H3 -1.061 1.775 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.87821.1082
Br21.87822.3584
H31.10822.3584

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 101.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-2608.431674
Energy at 298.15K-2608.434387
HF Energy-2608.231975
Nuclear repulsion energy70.427696
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 CID/6-31G*
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' 3293 3042 6.11      
2 A' 968 894 1.87      
3 A' 733 677 24.57      

Unscaled Zero Point Vibrational Energy (zpe) 2497.1 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 2306.6 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 CID/6-31G*
ABC
25.38579 0.41848 0.41169

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.517 0.000
Br2 0.021 -0.322 0.000
H3 -0.852 2.158 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.83831.0831
Br21.83832.6285
H31.08312.6285

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability