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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: MP3=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-169.470160
Energy at 298.15K-169.473899
HF Energy-168.888489
Nuclear repulsion energy70.783802
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/TZVP
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' 3207 2994 10.73      
2 A' 3093 2888 3.36      
3 A' 1750 1634 47.80      
4 A' 1497 1397 17.32      
5 A' 1438 1342 14.45      
6 A' 1197 1118 14.99      
7 A' 915 854 11.17      
8 A' 604 564 2.50      
9 A" 3188 2976 6.50      
10 A" 1492 1393 11.06      
11 A" 1016 949 5.19      
12 A" 156 145 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 9775.8 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 9127.7 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/TZVP
ABC
2.05283 0.38820 0.34750

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.939 -0.571 0.000
N2 0.000 0.572 0.000
O3 1.148 0.234 0.000
H4 -0.407 -1.520 0.000
H5 -1.571 -0.466 0.881
H6 -1.571 -0.466 -0.881

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47882.23651.08791.08881.0888
N21.47881.19632.13082.07812.0781
O32.23651.19632.34402.94192.9419
H41.08792.13082.34401.80011.8001
H51.08882.07812.94191.80011.7611
H61.08882.07812.94191.80011.7611

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.027 N2 C1 H4 111.323
N2 C1 H5 107.085 N2 C1 H6 107.085
H4 C1 H5 111.583 H4 C1 H6 111.583
H5 C1 H6 107.943
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability