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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: MP3=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 MP3=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-169.390694
Energy at 298.15K-169.394417
HF Energy-168.856930
Nuclear repulsion energy70.317063
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 MP3=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' 3186 3186 9.97      
2 A' 3068 3068 3.12      
3 A' 1740 1740 49.63      
4 A' 1461 1461 18.40      
5 A' 1391 1391 13.22      
6 A' 1173 1173 14.05      
7 A' 906 906 11.95      
8 A' 590 590 2.61      
9 A" 3164 3164 5.13      
10 A" 1461 1461 10.23      
11 A" 989 989 3.43      
12 A" 157 157 0.84      

Unscaled Zero Point Vibrational Energy (zpe) 9643.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9643.5 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 MP3=FULL/aug-cc-pVDZ
ABC
2.02214 0.38374 0.34349

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.945 -0.572 0.000
N2 0.000 0.574 0.000
O3 1.155 0.233 0.000
H4 -0.407 -1.531 0.000
H5 -1.584 -0.460 0.889
H6 -1.584 -0.460 -0.889

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48562.24921.09951.10081.1008
N21.48561.20452.14432.09032.0903
O32.24921.20452.35652.96212.9621
H41.09952.14432.35651.82281.8228
H51.10082.09032.96211.82281.7789
H61.10082.09032.96211.82281.7789

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.048 N2 C1 H4 111.214
N2 C1 H5 106.898 N2 C1 H6 106.898
H4 C1 H5 111.875 H4 C1 H6 111.875
H5 C1 H6 107.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability