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All results from a given calculation for H2NO (nitroxide)

using model chemistry: CCSD(T)/cc-pVQZ

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 CCSD(T)/cc-pVQZ
 hartrees
Energy at 0K-130.946551
Energy at 298.15K 
HF Energy-130.458331
Nuclear repulsion energy35.189815
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)/cc-pVQZ
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 3486 3380        
2 A1 1668 1617        
3 A1 1397 1355        
4 B1 279i 271i        
5 B2 3628 3518        
6 B2 1267 1228        

Unscaled Zero Point Vibrational Energy (zpe) 5583.4 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 5414.2 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)/cc-pVQZ
ABC
10.89803 1.14379 1.03515

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.540
O2 0.000 0.000 0.733
H3 0.000 0.876 -1.042
H4 0.000 -0.876 -1.042

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.27321.00981.0098
O21.27321.97981.9798
H31.00981.97981.7521
H41.00981.97981.7521

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 119.823 O2 N1 H4 119.823
H3 N1 H4 120.353
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVQZ
 hartrees
Energy at 0K-130.946314
Energy at 298.15K 
HF Energy-130.457706
Nuclear repulsion energy35.241793
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)/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVQZ
ABC
10.89803 1.14379 1.03515

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

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability