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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-169.741205
Energy at 298.15K-169.744901
HF Energy-169.741205
Nuclear repulsion energy70.457467
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 B3PW91/cc-pVDZ
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' 3159 3048 9.45      
2 A' 3027 2922 2.21      
3 A' 1712 1652 80.20      
4 A' 1419 1369 22.96      
5 A' 1336 1290 23.71      
6 A' 1140 1100 18.87      
7 A' 854 824 26.10      
8 A' 572 552 1.66      
9 A" 3132 3023 1.87      
10 A" 1419 1370 12.03      
11 A" 947 913 1.32      
12 A" 170 164 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 9443.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9113.0 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 B3PW91/cc-pVDZ
ABC
2.04179 0.38474 0.34467

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.941 -0.571 0.000
N2 0.000 0.569 0.000
O3 1.154 0.235 0.000
H4 -0.413 -1.537 0.000
H5 -1.586 -0.453 0.886
H6 -1.586 -0.453 -0.886

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47892.24531.10061.10211.1021
N21.47891.20152.14662.08472.0847
O32.24531.20152.36612.96122.9612
H41.10062.14662.36611.82641.8264
H51.10212.08472.96121.82641.7714
H61.10212.08472.96121.82641.7714

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.385 N2 C1 H4 111.811
N2 C1 H5 106.838 N2 C1 H6 106.838
H4 C1 H5 112.028 H4 C1 H6 112.028
H5 C1 H6 106.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.007      
2 N -0.016      
3 O -0.168      
4 H 0.047      
5 H 0.072      
6 H 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.927 -1.240 0.000 2.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.941 0.317 0.000
y 0.317 -18.797 0.000
z 0.000 0.000 -16.333
Traceless
 xyz
x -0.376 0.317 0.000
y 0.317 -1.660 0.000
z 0.000 0.000 2.036
Polar
3z2-r24.072
x2-y20.856
xy0.317
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.287 0.362 0.000
y 0.362 2.964 0.000
z 0.000 0.000 2.425


<r2> (average value of r2) Å2
<r2> 41.238
(<r2>)1/2 6.422