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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-169.550722
Energy at 298.15K-169.554437
HF Energy-169.550722
Nuclear repulsion energy69.577224
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 HSEh1PBE/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' 3196 3057 10.43      
2 A' 3067 2934 1.00      
3 A' 1586 1517 31.35      
4 A' 1491 1426 37.74      
5 A' 1417 1356 40.17      
6 A' 1171 1120 19.59      
7 A' 862 824 22.12      
8 A' 568 543 2.28      
9 A" 3170 3033 1.88      
10 A" 1493 1429 19.33      
11 A" 1007 963 0.55      
12 A" 174 167 3.41      

Unscaled Zero Point Vibrational Energy (zpe) 9601.0 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9184.3 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 HSEh1PBE/6-31G
ABC
2.01803 0.37426 0.33544

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.965 -0.558 0.000
N2 0.000 0.573 0.000
O3 1.181 0.217 0.000
H4 -0.456 -1.525 0.000
H5 -1.601 -0.437 0.883
H6 -1.601 -0.437 -0.883

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48662.28181.09271.09441.0944
N21.48661.23342.14622.08832.0883
O32.28181.23342.39002.99082.9908
H41.09272.14622.39001.80921.8092
H51.09442.08832.99081.80921.7651
H61.09442.08832.99081.80921.7651

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.726 N2 C1 H4 111.723
N2 C1 H5 107.035 N2 C1 H6 107.035
H4 C1 H5 111.634 H4 C1 H6 111.634
H5 C1 H6 107.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.406      
2 N 0.058      
3 O -0.282      
4 H 0.195      
5 H 0.217      
6 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.362 -1.588 0.000 2.846
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.487 0.461 0.000
y 0.461 -19.243 0.000
z 0.000 0.000 -16.486
Traceless
 xyz
x -0.623 0.461 0.000
y 0.461 -1.756 0.000
z 0.000 0.000 2.379
Polar
3z2-r24.758
x2-y20.755
xy0.461
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.231 0.258 0.000
y 0.258 2.615 0.000
z 0.000 0.000 2.247


<r2> (average value of r2) Å2
<r2> 42.173
(<r2>)1/2 6.494