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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: QCISD(T)=FULL/aug-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 QCISD(T)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-169.609015
Energy at 298.15K-169.612718
HF Energy-168.895395
Nuclear repulsion energy70.460002
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-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' 3144 3144        
2 A' 3049 3049        
3 A' 1599 1599        
4 A' 1477 1477        
5 A' 1394 1394        
6 A' 1165 1165        
7 A' 878 878        
8 A' 581 581        
9 A" 3124 3124        
10 A" 1486 1486        
11 A" 996 996        
12 A" 153 153        

Unscaled Zero Point Vibrational Energy (zpe) 9523.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9523.4 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 QCISD(T)=FULL/aug-cc-pVTZ
ABC
2.03840 0.38524 0.34481

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.948 -0.562 0.000
N2 0.000 0.572 0.000
O3 1.158 0.222 0.000
H4 -0.419 -1.513 0.000
H5 -1.577 -0.448 0.882
H6 -1.577 -0.448 -0.882

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47792.24741.08851.08981.0898
N21.47791.20942.12652.07532.0753
O32.24741.20942.34502.95132.9513
H41.08852.12652.34501.80411.8041
H51.08982.07532.95131.80411.7649
H61.08982.07532.95131.80411.7649

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.129 N2 C1 H4 111.001
N2 C1 H5 106.873 N2 C1 H6 106.873
H4 C1 H5 111.843 H4 C1 H6 111.843
H5 C1 H6 108.143
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability