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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: TPSSh/6-31G*

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/6-31G*
 hartrees
Energy at 0K-169.799324
Energy at 298.15K-169.802999
HF Energy-169.799324
Nuclear repulsion energy69.992805
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/6-31G*
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' 3163 3034 15.67      
2 A' 3044 2920 2.32      
3 A' 1660 1593 66.43      
4 A' 1492 1432 23.27      
5 A' 1392 1336 17.90      
6 A' 1162 1115 16.52      
7 A' 830 796 25.25      
8 A' 560 537 1.20      
9 A" 3129 3002 6.93      
10 A" 1490 1430 9.10      
11 A" 967 928 1.55      
12 A" 168 161 2.13      

Unscaled Zero Point Vibrational Energy (zpe) 9528.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9141.2 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 TPSSh/6-31G*
ABC
2.00743 0.38005 0.33986

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.952 -0.572 0.000
N2 0.000 0.578 0.000
O3 1.164 0.229 0.000
H4 -0.422 -1.529 0.000
H5 -1.589 -0.455 0.884
H6 -1.589 -0.455 -0.884

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.49282.26211.09331.09591.0959
N21.49281.21502.14862.09092.0909
O32.26211.21502.36752.97062.9706
H41.09332.14862.36751.81521.8152
H51.09592.09092.97061.81521.7684
H61.09592.09092.97061.81521.7684

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.915 N2 C1 H4 111.429
N2 C1 H5 106.737 N2 C1 H6 106.737
H4 C1 H5 112.024 H4 C1 H6 112.024
H5 C1 H6 107.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.380      
2 N 0.056      
3 O -0.253      
4 H 0.183      
5 H 0.197      
6 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.940 -1.325 0.000 2.349
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 4.240 0.337 0.000
y 0.337 2.857 0.000
z 0.000 0.000 2.413


<r2> (average value of r2) Å2
<r2> 41.588
(<r2>)1/2 6.449