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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-169.380921
Energy at 298.15K-169.384555
HF Energy-168.840468
Nuclear repulsion energy69.794714
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 CCSD(T)=FULL/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' 3176 3059        
2 A' 3049 2937        
3 A' 1608 1549        
4 A' 1449 1395        
5 A' 1366 1316        
6 A' 1142 1100        
7 A' 859 827        
8 A' 576 554        
9 A" 3155 3039        
10 A" 1454 1400        
11 A" 963 927        
12 A" 126 122        

Unscaled Zero Point Vibrational Energy (zpe) 9460.8 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 9112.6 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 CCSD(T)=FULL/cc-pVDZ
ABC
1.97125 0.37995 0.33918

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.953 -0.571 0.000
N2 0.000 0.584 0.000
O3 1.164 0.224 0.000
H4 -0.409 -1.531 0.000
H5 -1.593 -0.462 0.893
H6 -1.593 -0.462 -0.893

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.49702.26091.10331.10441.1044
N21.49701.21802.15372.10422.1042
O32.26091.21802.35652.97772.9777
H41.10332.15372.35651.82841.8284
H51.10442.10422.97771.82841.7869
H61.10442.10422.97771.82841.7869

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.360 N2 C1 H4 110.933
N2 C1 H5 107.003 N2 C1 H6 107.003
H4 C1 H5 111.826 H4 C1 H6 111.826
H5 C1 H6 107.995
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability