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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-2610.972721
Energy at 298.15K-2610.975448
HF Energy-2610.706513
Nuclear repulsion energy69.910304
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 CCD/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' 2956 2828 74.39      
2 A' 1170 1120 2.26      
3 A' 686 657 86.36      

Unscaled Zero Point Vibrational Energy (zpe) 2406.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 2302.1 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 CCD/cc-pVDZ
ABC
15.17647 0.42011 0.40880

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.558 0.000
Br2 0.026 -0.318 0.000
H3 -1.078 1.771 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.87561.1251
Br21.87562.3629
H31.12512.3629

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 100.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-2610.970860
Energy at 298.15K-2610.973576
HF Energy-2610.733544
Nuclear repulsion energy70.388713
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 CCD/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' 3229 3089 5.83      
2 A' 938 897 2.08      
3 A' 745 713 24.79      

Unscaled Zero Point Vibrational Energy (zpe) 2455.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 2349.6 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 CCD/cc-pVDZ
ABC
25.15568 0.41823 0.41139

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.515 0.000
Br2 0.021 -0.322 0.000
H3 -0.857 2.174 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.83691.0980
Br21.83692.6461
H31.09802.6461

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