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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B2PLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-169.669907
Energy at 298.15K-169.673608
HF Energy-169.481397
Nuclear repulsion energy70.273051
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 B2PLYP/6-31G(2df,p)
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' 3181 3038 8.97      
2 A' 3061 2923 1.84      
3 A' 1618 1545 45.64      
4 A' 1470 1404 21.44      
5 A' 1387 1324 17.24      
6 A' 1162 1110 14.90      
7 A' 859 821 20.12      
8 A' 577 551 1.68      
9 A" 3154 3012 3.36      
10 A" 1474 1407 8.50      
11 A" 979 935 1.54      
12 A" 164 157 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 9542.5 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 9113.1 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 B2PLYP/6-31G(2df,p)
ABC
2.02462 0.38326 0.34278

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.948 -0.567 0.000
N2 0.000 0.575 0.000
O3 1.160 0.226 0.000
H4 -0.418 -1.520 0.000
H5 -1.584 -0.454 0.882
H6 -1.584 -0.454 -0.882

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48472.25231.09071.09271.0927
N21.48471.21092.13642.08472.0847
O32.25231.21092.35312.96112.9611
H41.09072.13642.35311.80931.8093
H51.09272.08472.96111.80931.7631
H61.09272.08472.96111.80931.7631

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.956 N2 C1 H4 111.179
N2 C1 H5 106.988 N2 C1 H6 106.988
H4 C1 H5 111.921 H4 C1 H6 111.921
H5 C1 H6 107.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.314      
2 N 0.069      
3 O -0.217      
4 H 0.143      
5 H 0.160      
6 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.842 -1.294 0.000 2.251
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.870 0.320 0.000
y 0.320 -18.823 0.000
z 0.000 0.000 -16.463
Traceless
 xyz
x -0.227 0.320 0.000
y 0.320 -1.657 0.000
z 0.000 0.000 1.884
Polar
3z2-r23.769
x2-y20.953
xy0.320
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.225 0.339 0.000
y 0.339 3.004 0.000
z 0.000 0.000 2.607


<r2> (average value of r2) Å2
<r2> 41.346
(<r2>)1/2 6.430