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All results from a given calculation for ONNO (NO dimer)

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 no trans C2H 1Ag

Conformer 1 (cis C2V)

Jump to S1C2
Vibrational Frequencies calculated at HF/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 A1 2085 1965 37.31      
2 A1 561 528 1.02      
3 A1 442 416 0.95      
4 A2 42i 39i 0.00      
5 B2 2011 1895 369.26      
6 B2 978 922 46.02      

Unscaled Zero Point Vibrational Energy (zpe) 3018.1 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 2843.6 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 MP2=FULL/6-31G*
ABC
0.80194 0.22335 0.17470

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2=FULL/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 7 0.000 1.117 0.633  
2 7 0.000 -1.117 0.633  
3 8 0.000 1.125 -0.554  
4 8 0.000 -1.125 -0.554  


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 61.638
(<r2>)1/2 7.851

Conformer 2 (trans C2H)

Jump to S1C1
Energy calculated at G3
 hartrees
Energy at 0K-259.658402
Energy at 298.15K-259.659888
HF Energy-258.419697
Nuclear repulsion energy106.668199
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 HF/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 Ag 2055 1936 0.00      
2 Ag 1060 998 0.00      
3 Ag 580 546 0.00      
4 Au 27 26 1.18      
5 Bu 2015 1899 279.96      
6 Bu 498 469 6.78      

Unscaled Zero Point Vibrational Energy (zpe) 3116.8 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 2936.6 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 MP2=FULL/6-31G*
ABC
1.69860 0.12998 0.12074

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.434 0.977 0.000
N2 0.434 -0.977 0.000
O3 0.434 1.782 0.000
O4 -0.434 -1.782 0.000

Atom - Atom Distances (Å)
  N1 N2 O3 O4
N12.13801.18472.7586
N22.13802.75861.1847
O31.18472.75863.6683
O42.75861.18473.6683

picture of NO dimer state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O4 108.233 N2 N1 O3 108.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability