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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: BLYP/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 BLYP/TZVP
 hartrees
Energy at 0K-169.823224
Energy at 298.15K-169.826843
HF Energy-169.823224
Nuclear repulsion energy69.518739
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 BLYP/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' 3051 3043 15.62      
2 A' 2942 2935 2.18      
3 A' 1537 1533 78.18      
4 A' 1412 1409 29.86      
5 A' 1322 1319 33.61      
6 A' 1104 1102 22.97      
7 A' 750 748 45.08      
8 A' 546 545 0.20      
9 A" 3018 3011 3.94      
10 A" 1411 1407 12.57      
11 A" 928 926 2.56      
12 A" 162 162 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 9091.6 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 9068.9 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 BLYP/TZVP
ABC
2.01325 0.37181 0.33344

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.958 -0.587 0.000
N2 0.000 0.576 0.000
O3 1.173 0.245 0.000
H4 -0.436 -1.552 0.000
H5 -1.600 -0.462 0.885
H6 -1.600 -0.462 -0.885

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.50682.28781.09771.10001.1000
N21.50681.21892.17262.10262.1026
O32.28781.21892.41232.99542.9954
H41.09772.17262.41231.82361.8236
H51.10002.10262.99541.82361.7695
H61.10002.10262.99541.82361.7695

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.726 N2 C1 H4 112.102
N2 C1 H5 106.482 N2 C1 H6 106.482
H4 C1 H5 112.147 H4 C1 H6 112.147
H5 C1 H6 107.087
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.303      
2 N 0.025      
3 O -0.134      
4 H 0.123      
5 H 0.144      
6 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.017 -1.409 0.000 2.460
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.750 0.413 0.000
y 0.413 -19.619 0.000
z 0.000 0.000 -16.903
Traceless
 xyz
x -0.489 0.413 0.000
y 0.413 -1.792 0.000
z 0.000 0.000 2.281
Polar
3z2-r24.563
x2-y20.869
xy0.413
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.026 0.468 0.000
y 0.468 3.604 0.000
z 0.000 0.000 2.903


<r2> (average value of r2) Å2
<r2> 42.607
(<r2>)1/2 6.527