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All results from a given calculation for H2NO (nitroxide)

using model chemistry: MP4=FULL/aug-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 MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-130.949819
Energy at 298.15K-130.951838
HF Energy-130.451094
Nuclear repulsion energy35.319077
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 MP4=FULL/aug-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 3490 3383        
2 A1 1690 1638        
3 A1 1455 1410        
4 B1 131 127        
5 B2 3621 3510        
6 B2 1262 1223        

Unscaled Zero Point Vibrational Energy (zpe) 5824.3 cm-1
Scaled (by 0.9693) Zero Point Vibrational Energy (zpe) 5645.5 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 MP4=FULL/aug-cc-pVTZ
ABC
10.92538 1.15401 1.04376

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.537
O2 0.000 0.000 0.730
H3 0.000 0.875 -1.041
H4 0.000 -0.875 -1.041

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.26661.01011.0101
O21.26661.97561.9756
H31.01011.97561.7499
H41.01011.97561.7499

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 119.980 O2 N1 H4 119.980
H3 N1 H4 120.041
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-130.949817
Energy at 298.15K 
HF Energy-130.451086
Nuclear repulsion energy35.331053
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 MP4=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/aug-cc-pVTZ
ABC
10.92538 1.15401 1.04376

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVTZ

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability