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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-169.806786
Energy at 298.15K-169.810484
HF Energy-169.806786
Nuclear repulsion energy70.340505
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 B3LYP/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' 3141 3031 11.66      
2 A' 3024 2918 1.93      
3 A' 1680 1621 68.56      
4 A' 1452 1401 19.84      
5 A' 1367 1320 17.55      
6 A' 1151 1110 16.10      
7 A' 835 806 25.34      
8 A' 574 554 1.40      
9 A" 3108 2999 4.01      
10 A" 1453 1402 8.40      
11 A" 964 930 1.30      
12 A" 172 166 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 9459.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9128.3 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 B3LYP/6-31G(2df,p)
ABC
2.04129 0.38241 0.34260

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.945 -0.576 0.000
N2 0.000 0.572 0.000
O3 1.156 0.239 0.000
H4 -0.414 -1.532 0.000
H5 -1.585 -0.464 0.882
H6 -1.585 -0.464 -0.882

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48732.25361.09311.09551.0955
N21.48731.20352.14462.08892.0889
O32.25361.20352.36652.96412.9641
H41.09312.14462.36651.81361.8136
H51.09552.08892.96411.81361.7640
H61.09552.08892.96411.81361.7640

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.337 N2 C1 H4 111.512
N2 C1 H5 106.976 N2 C1 H6 106.976
H4 C1 H5 111.920 H4 C1 H6 111.920
H5 C1 H6 107.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.292      
2 N 0.058      
3 O -0.203      
4 H 0.133      
5 H 0.152      
6 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.858 -1.289 0.000 2.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.838 0.335 0.000
y 0.335 -18.701 0.000
z 0.000 0.000 -16.398
Traceless
 xyz
x -0.289 0.335 0.000
y 0.335 -1.583 0.000
z 0.000 0.000 1.871
Polar
3z2-r23.743
x2-y20.863
xy0.335
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.301 0.380 0.000
y 0.380 3.064 0.000
z 0.000 0.000 2.626


<r2> (average value of r2) Å2
<r2> 41.343
(<r2>)1/2 6.430