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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B2PLYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-169.740615
Energy at 298.15K 
HF Energy-169.536103
Nuclear repulsion energy70.426658
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/aug-cc-pVTZ
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' 3156 3033 9.59      
2 A' 3044 2925 2.15      
3 A' 1589 1527 53.94      
4 A' 1467 1410 29.86      
5 A' 1386 1332 24.32      
6 A' 1161 1116 18.05      
7 A' 864 830 21.52      
8 A' 579 556 1.69      
9 A" 3131 3009 2.25      
10 A" 1469 1412 11.75      
11 A" 983 945 2.72      
12 A" 163 157 1.08      

Unscaled Zero Point Vibrational Energy (zpe) 9495.6 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 9125.3 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 B2PLYP/aug-cc-pVTZ
ABC
2.05777 0.38327 0.34362

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.949 -0.565 0.000
N2 0.000 0.568 0.000
O3 1.160 0.228 0.000
H4 -0.428 -1.520 0.000
H5 -1.581 -0.445 0.879
H6 -1.581 -0.445 -0.879

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47752.25341.08801.08981.0898
N21.47751.20892.13152.07322.0732
O32.25341.20892.36252.95682.9568
H41.08802.13152.36251.80571.8057
H51.08982.07322.95681.80571.7585
H61.08982.07322.95681.80571.7585

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.655 N2 C1 H4 111.458
N2 C1 H5 106.733 N2 C1 H6 106.733
H4 C1 H5 112.017 H4 C1 H6 112.017
H5 C1 H6 107.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.626      
2 N -0.029      
3 O -0.295      
4 H 0.350      
5 H 0.299      
6 H 0.299      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.998 -1.386 0.000 2.432
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.565 0.454 0.000
y 0.454 -19.542 0.000
z 0.000 0.000 -16.911
Traceless
 xyz
x -0.338 0.454 0.000
y 0.454 -1.804 0.000
z 0.000 0.000 2.143
Polar
3z2-r24.286
x2-y20.977
xy0.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.161 0.360 0.000
y 0.360 4.004 0.000
z 0.000 0.000 3.279


<r2> (average value of r2) Å2
<r2> 41.652
(<r2>)1/2 6.454