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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: QCISD(T)=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-169.422512
Energy at 298.15K-169.426180
HF Energy-168.853699
Nuclear repulsion energy69.629466
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 QCISD(T)=FULL/aug-cc-pVDZ
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' 3147 3053        
2 A' 3024 2933        
3 A' 1574 1527        
4 A' 1440 1397        
5 A' 1361 1320        
6 A' 1142 1108        
7 A' 858 833        
8 A' 569 552        
9 A" 3124 3030        
10 A" 1444 1401        
11 A" 967 938        
12 A" 148 143        

Unscaled Zero Point Vibrational Energy (zpe) 9398.5 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 9117.5 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 QCISD(T)=FULL/aug-cc-pVDZ
ABC
1.97726 0.37723 0.33717

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.958 -0.569 0.000
N2 0.000 0.581 0.000
O3 1.170 0.223 0.000
H4 -0.420 -1.531 0.000
H5 -1.596 -0.451 0.893
H6 -1.596 -0.451 -0.893

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.49712.27101.10241.10381.1038
N21.49711.22372.15342.09982.0998
O32.27101.22372.36722.98362.9836
H41.10242.15342.36721.83001.8300
H51.10382.09982.98361.83001.7865
H61.10382.09982.98361.83001.7865

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.779 N2 C1 H4 110.951
N2 C1 H5 106.689 N2 C1 H6 106.689
H4 C1 H5 112.083 H4 C1 H6 112.083
H5 C1 H6 108.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability