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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B2PLYP=FULL/STO-3G

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=FULL/STO-3G
 hartrees
Energy at 0K-167.328461
Energy at 298.15K-167.331968
HF Energy-167.256298
Nuclear repulsion energy66.743039
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=FULL/STO-3G
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' 3526 3526 0.81      
2 A' 3326 3326 2.18      
3 A' 1663 1663 5.56      
4 A' 1533 1533 3.81      
5 A' 1487 1487 7.66      
6 A' 1158 1158 16.96      
7 A' 890 890 15.67      
8 A' 524 524 0.07      
9 A" 3521 3521 0.00      
10 A" 1659 1659 4.50      
11 A" 1010 1010 0.22      
12 A" 139 139 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 10217.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10217.4 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=FULL/STO-3G
ABC
1.74596 0.35059 0.30940

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.003 -0.591 0.000
N2 0.000 0.638 0.000
O3 1.219 0.205 0.000
H4 -0.458 -1.550 0.000
H5 -1.636 -0.503 0.898
H6 -1.636 -0.503 -0.898

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.58652.36021.10261.10221.1022
N21.58651.29342.23532.18722.1872
O32.36021.29342.42723.07503.0750
H41.10262.23532.42721.81371.8137
H51.10222.18723.07501.81371.7965
H61.10222.18723.07501.81371.7965

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 109.652 N2 C1 H4 111.170
N2 C1 H5 107.504 N2 C1 H6 107.504
H4 C1 H5 110.690 H4 C1 H6 110.690
H5 C1 H6 109.165
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability