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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-169.551426
Energy at 298.15K-169.555175
HF Energy-168.894819
Nuclear repulsion energy71.133447
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/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' 3198 2983 8.36      
2 A' 3102 2893 2.46      
3 A' 1770 1650 46.58      
4 A' 1497 1396 20.29      
5 A' 1418 1322 15.04      
6 A' 1190 1109 13.90      
7 A' 920 858 10.60      
8 A' 598 558 2.98      
9 A" 3175 2961 3.76      
10 A" 1498 1397 10.73      
11 A" 1004 936 2.85      
12 A" 164 153 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 9767.3 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 9108.9 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/cc-pVTZ
ABC
2.08244 0.39162 0.35084

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.935 -0.566 0.000
N2 0.000 0.567 0.000
O3 1.143 0.233 0.000
H4 -0.405 -1.511 0.000
H5 -1.566 -0.460 0.876
H6 -1.566 -0.460 -0.876

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.46892.22681.08321.08471.0847
N21.46891.19102.11672.06742.0674
O32.22681.19102.33222.93082.9308
H41.08322.11672.33221.79431.7943
H51.08472.06742.93081.79431.7513
H61.08472.06742.93081.79431.7513

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.271 N2 C1 H4 111.174
N2 C1 H5 107.156 N2 C1 H6 107.156
H4 C1 H5 111.722 H4 C1 H6 111.722
H5 C1 H6 107.663
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability