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All results from a given calculation for ONONO (Nitrosyl nitrite)

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-331.862597
Energy at 298.15K-331.864584
HF Energy-331.331282
Nuclear repulsion energy154.939572
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 CID/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1575 1466 0.39      
2 A1 1024 952 48.21      
3 A1 472 439 0.16      
4 A1 242 225 0.51      
5 A2 190 176 0.00      
6 B1 120 112 0.00      
7 B2 1507 1402 250.71      
8 B2 729 678 521.78      
9 B2 666 620 211.60      

Unscaled Zero Point Vibrational Energy (zpe) 3262.0 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 3035.3 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 CID/3-21G*
ABC
1.55250 0.08709 0.08247

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.485
N2 0.000 1.185 -0.470
N3 0.000 -1.185 -0.470
O4 0.000 2.196 0.169
O5 0.000 -2.196 0.169

Atom - Atom Distances (Å)
  O1 N2 N3 O4 O5
O11.52221.52222.21822.2182
N21.52222.37091.19513.4408
N31.52222.37093.44081.1951
O42.21821.19513.44084.3910
O52.21823.44081.19514.3910

picture of Nitrosyl nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 O4 108.840 O1 N3 O5 108.840
N2 O1 N3 102.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability