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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: MP2=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 MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-169.378885
Energy at 298.15K-169.382578
HF Energy-168.853360
Nuclear repulsion energy69.793246
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 MP2=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' 3195 3097 8.15      
2 A' 3064 2970 2.57      
3 A' 1531 1484 18.89      
4 A' 1449 1404 22.23      
5 A' 1369 1326 22.12      
6 A' 1157 1122 14.10      
7 A' 898 870 15.47      
8 A' 576 558 1.78      
9 A" 3175 3077 2.79      
10 A" 1454 1409 11.17      
11 A" 977 947 3.31      
12 A" 152 147 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 9497.3 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 9204.8 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 MP2=FULL/aug-cc-pVDZ
ABC
1.98540 0.38040 0.33973

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.959 -0.552 0.000
N2 0.000 0.577 0.000
O3 1.172 0.206 0.000
H4 -0.436 -1.519 0.000
H5 -1.595 -0.427 0.889
H6 -1.595 -0.427 -0.889

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48162.26201.09921.10031.1003
N21.48161.22972.14092.08372.0837
O32.26201.22972.35802.97462.9746
H41.09922.14092.35801.82421.8242
H51.10032.08372.97461.82421.7778
H61.10032.08372.97461.82421.7778

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.757 N2 C1 H4 111.240
N2 C1 H5 106.684 N2 C1 H6 106.684
H4 C1 H5 112.068 H4 C1 H6 112.068
H5 C1 H6 107.780
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability