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All results from a given calculation for NH2NO (Nitrosamide)

using model chemistry: QCISD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-185.364534
Energy at 298.15K-185.368177
HF Energy-184.819855
Nuclear repulsion energy71.362716
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 QCISD(T)/6-31G*
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 3680 3530        
2 A 3480 3339        
3 A 1617 1551        
4 A 1578 1514        
5 A 1258 1207        
6 A 1084 1040        
7 A 692 663        
8 A 613 588        
9 A 404 388        

Unscaled Zero Point Vibrational Energy (zpe) 7202.9 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 6909.7 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 QCISD(T)/6-31G*
ABC
2.57942 0.42361 0.36568

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.126 0.228 0.008
N2 -0.147 -0.521 0.005
N3 1.030 0.152 -0.065
H4 0.988 1.152 0.138
H5 1.840 -0.389 0.219

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.23222.15862.31083.0366
N21.23221.35742.02592.0026
N32.15861.35741.02181.0141
H42.31082.02591.02181.7634
H53.03662.00261.01411.7634

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 112.850 N2 N3 H4 116.033
N2 N3 H5 114.445 H4 N3 H5 120.020
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability