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All results from a given calculation for H2NO (nitroxide)

using model chemistry: MP3=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
1 2 no CS 2A'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-130.910242
Energy at 298.15K 
HF Energy-130.448166
Nuclear repulsion energy35.568896
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 MP3=FULL/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 A1 3574 3333 8.16      
2 A1 1723 1607 21.52      
3 A1 1510 1408 6.94      
4 B1 32i 29i 181.55      
5 B2 3711 3461 15.48      
6 B2 1305 1217 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 5895.4 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 5498.1 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 MP3=FULL/cc-pVTZ
ABC
11.07757 1.17066 1.05877

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.532
O2 0.000 0.000 0.725
H3 0.000 0.869 -1.036
H4 0.000 -0.869 -1.036

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.25701.00421.0042
O21.25701.96321.9632
H31.00421.96321.7378
H41.00421.96321.7378

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 120.088 O2 N1 H4 120.088
H3 N1 H4 119.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-130.910242
Energy at 298.15K-130.912092
HF Energy-130.448170
Nuclear repulsion energy35.568742
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 MP3=FULL/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' 3574 3333 8.14      
2 A' 1723 1607 21.53      
3 A' 1510 1408 6.92      
4 A' 35 33 181.55      
5 A" 3711 3461 15.43      
6 A" 1305 1217 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 5928.5 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 5528.9 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 MP3=FULL/cc-pVTZ
ABC
11.07658 1.17065 1.05880

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability