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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: CCD/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 CCD/cc-pVTZ
 hartrees
Energy at 0K-169.509623
Energy at 298.15K-169.513350
HF Energy-168.893936
Nuclear repulsion energy70.756769
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 CCD/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' 3178 2967 8.82      
2 A' 3066 2863 3.17      
3 A' 1723 1609 41.18      
4 A' 1486 1388 18.89      
5 A' 1411 1317 12.82      
6 A' 1182 1104 13.86      
7 A' 908 848 10.21      
8 A' 594 554 2.65      
9 A" 3157 2948 4.95      
10 A" 1487 1388 9.90      
11 A" 1004 938 3.17      
12 A" 155 145 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 9675.5 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 9034.0 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 CCD/cc-pVTZ
ABC
2.05423 0.38787 0.34727

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.940 -0.569 0.000
N2 0.000 0.571 0.000
O3 1.149 0.233 0.000
H4 -0.407 -1.517 0.000
H5 -1.573 -0.464 0.880
H6 -1.573 -0.464 -0.880

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47782.23771.08791.08931.0893
N21.47781.19782.12772.07842.0784
O32.23771.19782.34152.94422.9442
H41.08792.12772.34151.80131.8013
H51.08932.07842.94421.80131.7608
H61.08932.07842.94421.80131.7608

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.093 N2 C1 H4 111.136
N2 C1 H5 107.151 N2 C1 H6 107.151
H4 C1 H5 111.656 H4 C1 H6 111.656
H5 C1 H6 107.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability