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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-169.668946
Energy at 298.15K-169.672581
HF Energy-169.668946
Nuclear repulsion energy69.908759
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 PBEPBE/TZVP
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' 3069 3035 13.40      
2 A' 2950 2917 1.86      
3 A' 1581 1563 86.98      
4 A' 1395 1380 27.65      
5 A' 1305 1291 40.07      
6 A' 1106 1094 22.38      
7 A' 784 775 45.10      
8 A' 551 545 0.36      
9 A" 3039 3005 1.62      
10 A" 1393 1378 14.61      
11 A" 917 907 1.84      
12 A" 165 163 2.38      

Unscaled Zero Point Vibrational Energy (zpe) 9127.5 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 9025.3 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 PBEPBE/TZVP
ABC
2.03037 0.37713 0.33814

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.951 -0.578 0.000
N2 0.000 0.571 0.000
O3 1.167 0.239 0.000
H4 -0.433 -1.548 0.000
H5 -1.597 -0.451 0.884
H6 -1.597 -0.451 -0.884

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.49162.27001.09951.10171.1017
N21.49161.21302.16292.09162.0916
O32.27001.21302.39882.98212.9821
H41.09952.16292.39881.82691.8269
H51.10172.09162.98211.82691.7674
H61.10172.09162.98211.82691.7674

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.733 N2 C1 H4 112.295
N2 C1 H5 106.546 N2 C1 H6 106.546
H4 C1 H5 112.184 H4 C1 H6 112.184
H5 C1 H6 106.669
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.343      
2 N 0.034      
3 O -0.126      
4 H 0.130      
5 H 0.153      
6 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.017 -1.408 0.000 2.460
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.521 0.414 0.000
y 0.414 -19.493 0.000
z 0.000 0.000 -16.758
Traceless
 xyz
x -0.396 0.414 0.000
y 0.414 -1.853 0.000
z 0.000 0.000 2.249
Polar
3z2-r24.497
x2-y20.972
xy0.414
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.974 0.447 0.000
y 0.447 3.573 0.000
z 0.000 0.000 2.876


<r2> (average value of r2) Å2
<r2> 42.117
(<r2>)1/2 6.490