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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: MP4=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 MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-169.382555
Energy at 298.15K-169.386196
HF Energy-168.839100
Nuclear repulsion energy69.604410
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 MP4=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' 3179 3068        
2 A' 3052 2945        
3 A' 1529 1476        
4 A' 1447 1397        
5 A' 1361 1314        
6 A' 1139 1099        
7 A' 856 826        
8 A' 571 551        
9 A" 3162 3052        
10 A" 1456 1406        
11 A" 959 926        
12 A" 135 130        

Unscaled Zero Point Vibrational Energy (zpe) 9423.1 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 9094.2 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 MP4=FULL/cc-pVDZ
ABC
1.96045 0.37838 0.33760

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.957 -0.566 0.000
N2 0.000 0.585 0.000
O3 1.169 0.217 0.000
H4 -0.417 -1.528 0.000
H5 -1.597 -0.454 0.893
H6 -1.597 -0.454 -0.893

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.49712.26651.10351.10441.1044
N21.49711.22572.15392.10412.1041
O32.26651.22572.35902.98352.9835
H41.10352.15392.35901.82881.8288
H51.10442.10412.98351.82881.7867
H61.10442.10412.98351.82881.7867

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.314 N2 C1 H4 110.932
N2 C1 H5 106.990 N2 C1 H6 106.990
H4 C1 H5 111.848 H4 C1 H6 111.848
H5 C1 H6 107.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability