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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: MP2=FULL/6-311G*

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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-2611.341650
Energy at 298.15K-2611.344390
HF Energy-2610.693466
Nuclear repulsion energy70.827047
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 MP2=FULL/6-311G*
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' 3006 2847 62.32      
2 A' 1203 1140 3.82      
3 A' 712 674 89.26      

Unscaled Zero Point Vibrational Energy (zpe) 2460.2 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 2330.0 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 MP2=FULL/6-311G*
ABC
15.79287 0.43095 0.41950

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.536 0.000
Br2 0.026 -0.314 0.000
H3 -1.058 1.765 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.85021.1077
Br21.85022.3445
H31.10772.3445

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 101.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-2611.344277
Energy at 298.15K-2611.347005
HF Energy-2610.721547
Nuclear repulsion energy71.070649
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 MP2=FULL/6-311G*
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' 3257 3085 6.06      
2 A' 978 926 3.23      
3 A' 761 720 30.54      

Unscaled Zero Point Vibrational Energy (zpe) 2497.7 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 2365.6 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 MP2=FULL/6-311G*
ABC
25.50294 0.42641 0.41940

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.502 0.000
Br2 0.021 -0.319 0.000
H3 -0.851 2.145 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.82021.0833
Br21.82022.6131
H31.08332.6131

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