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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: TPSSh/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-169.811746
Energy at 298.15K-169.815433
HF Energy-169.811746
Nuclear repulsion energy70.065356
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 TPSSh/6-31+G**
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' 3154 3035 13.28      
2 A' 3032 2918 2.27      
3 A' 1650 1588 87.53      
4 A' 1471 1415 30.43      
5 A' 1380 1329 25.33      
6 A' 1155 1112 19.23      
7 A' 839 808 27.94      
8 A' 560 539 1.20      
9 A" 3122 3005 3.36      
10 A" 1468 1413 13.21      
11 A" 965 928 3.02      
12 A" 170 163 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 9482.3 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 9126.7 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 TPSSh/6-31+G**
ABC
2.03014 0.37965 0.34014

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.952 -0.571 0.000
N2 0.000 0.572 0.000
O3 1.165 0.230 0.000
H4 -0.431 -1.532 0.000
H5 -1.588 -0.446 0.883
H6 -1.588 -0.446 -0.883

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48742.26411.09311.09541.0954
N21.48741.21422.14732.08252.0825
O32.26411.21422.37792.96942.9694
H41.09312.14732.37791.81581.8158
H51.09542.08252.96941.81581.7666
H61.09542.08252.96941.81581.7666

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.482 N2 C1 H4 111.723
N2 C1 H5 106.486 N2 C1 H6 106.486
H4 C1 H5 112.143 H4 C1 H6 112.143
H5 C1 H6 107.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.444      
2 N -0.030      
3 O -0.074      
4 H 0.181      
5 H 0.184      
6 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.101 -1.450 0.000 2.553
CHELPG        
AIM        
ESP        


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 5.034 0.352 0.000
y 0.352 3.676 0.000
z 0.000 0.000 2.899


<r2> (average value of r2) Å2
<r2> 41.908
(<r2>)1/2 6.474