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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: CCSD(T)/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 CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-2611.009687
Energy at 298.15K-2611.012402
HF Energy-2610.712188
Nuclear repulsion energy69.579079
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 CCSD(T)/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' 2900 2792        
2 A' 1149 1105        
3 A' 664 639        

Unscaled Zero Point Vibrational Energy (zpe) 2356.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 2268.1 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 CCSD(T)/aug-cc-pVDZ
ABC
15.09842 0.41599 0.40484

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.566 0.000
Br2 0.026 -0.319 0.000
H3 -1.081 1.775 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.88541.1267
Br21.88542.3686
H31.12672.3686

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 100.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-2611.002217
Energy at 298.15K-2611.004925
HF Energy-2610.737847
Nuclear repulsion energy70.379713
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 CCSD(T)/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' 3181 3061        
2 A' 911 877        
3 A' 736 708        

Unscaled Zero Point Vibrational Energy (zpe) 2413.8 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 2323.2 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 CCSD(T)/aug-cc-pVDZ
ABC
24.89855 0.41826 0.41134

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.516 0.000
Br2 0.021 -0.322 0.000
H3 -0.861 2.169 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.83741.0982
Br21.83742.6429
H31.09822.6429

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