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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B2PLYP=FULLultrafine/6-311G*

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=FULLultrafine/6-311G*
 hartrees
Energy at 0K-169.694402
Energy at 298.15K 
HF Energy-169.509505
Nuclear repulsion energy70.327346
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=FULLultrafine/6-311G*
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' 3169 3169 13.46      
2 A' 3055 3055 3.57      
3 A' 1617 1617 51.24      
4 A' 1486 1486 28.89      
5 A' 1403 1403 29.37      
6 A' 1173 1173 18.82      
7 A' 864 864 20.35      
8 A' 585 585 1.45      
9 A" 3147 3147 6.58      
10 A" 1485 1485 13.37      
11 A" 997 997 3.28      
12 A" 148 148 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 9563.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9563.3 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=FULLultrafine/6-311G*
ABC
2.03640 0.38304 0.34297

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.949 -0.568 0.000
N2 0.000 0.572 0.000
O3 1.159 0.229 0.000
H4 -0.418 -1.521 0.000
H5 -1.582 -0.454 0.882
H6 -1.582 -0.454 -0.882

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48372.25361.09031.09171.0917
N21.48371.20902.13492.08152.0815
O32.25361.20902.35602.95912.9591
H41.09032.13492.35601.80851.8085
H51.09172.08152.95911.80851.7641
H61.09172.08152.95911.80851.7641

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.234 N2 C1 H4 111.152
N2 C1 H5 106.854 N2 C1 H6 106.854
H4 C1 H5 111.951 H4 C1 H6 111.951
H5 C1 H6 107.789
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability