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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: HSEh1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-167.416007
Energy at 298.15K-167.419535
HF Energy-167.416007
Nuclear repulsion energy67.352458
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/STO-3G
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' 3533 3120 1.08      
2 A' 3327 2938 4.55      
3 A' 1684 1487 6.92      
4 A' 1638 1447 15.07      
5 A' 1484 1310 6.79      
6 A' 1164 1028 18.63      
7 A' 891 787 16.82      
8 A' 533 471 0.20      
9 A" 3521 3109 0.41      
10 A" 1638 1447 6.80      
11 A" 995 879 0.01      
12 A" 148 131 1.68      

Unscaled Zero Point Vibrational Energy (zpe) 10278.4 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 9076.9 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/STO-3G
ABC
1.79522 0.35510 0.31432

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.991 -0.598 0.000
N2 0.000 0.628 0.000
O3 1.205 0.220 0.000
H4 -0.449 -1.556 0.000
H5 -1.624 -0.507 0.895
H6 -1.624 -0.507 -0.895

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.57592.34341.10031.10071.1007
N21.57591.27232.22932.17412.1741
O32.34341.27232.42743.05553.0555
H41.10032.22932.42741.81181.8118
H51.10072.17413.05551.81181.7908
H61.10072.17413.05551.81181.7908

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.266 N2 C1 H4 111.583
N2 C1 H5 107.305 N2 C1 H6 107.305
H4 C1 H5 110.810 H4 C1 H6 110.810
H5 C1 H6 108.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.202      
2 N -0.020      
3 O -0.067      
4 H 0.092      
5 H 0.099      
6 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.999 -1.196 0.000 1.558
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.483 0.432 0.000
y 0.432 -17.331 0.000
z 0.000 0.000 -15.163
Traceless
 xyz
x -0.237 0.432 0.000
y 0.432 -1.508 0.000
z 0.000 0.000 1.745
Polar
3z2-r23.489
x2-y20.847
xy0.432
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.549 0.269 0.000
y 0.269 1.306 0.000
z 0.000 0.000 1.166


<r2> (average value of r2) Å2
<r2> 43.014
(<r2>)1/2 6.558