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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: CCD/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 CCD/TZVP
 hartrees
Energy at 0K-169.421948
Energy at 298.15K-169.425670
HF Energy-168.887854
Nuclear repulsion energy70.569423
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 CCD/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' 3189 3023 11.20      
2 A' 3077 2917 4.16      
3 A' 1710 1621 41.20      
4 A' 1494 1417 16.57      
5 A' 1435 1361 12.71      
6 A' 1190 1129 14.77      
7 A' 907 859 10.66      
8 A' 599 567 2.23      
9 A" 3172 3007 7.68      
10 A" 1491 1414 10.33      
11 A" 1015 962 5.51      
12 A" 149 141 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 9713.8 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 9208.6 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 CCD/TZVP
ABC
2.04090 0.38587 0.34540

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.943 -0.571 0.000
N2 0.000 0.573 0.000
O3 1.152 0.233 0.000
H4 -0.410 -1.522 0.000
H5 -1.574 -0.466 0.883
H6 -1.574 -0.466 -0.883

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48272.24371.08991.09071.0907
N21.48271.20102.13552.08282.0828
O32.24371.20102.35012.94972.9497
H41.08992.13552.35011.80291.8029
H51.09072.08282.94971.80291.7657
H61.09072.08282.94971.80291.7657

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.028 N2 C1 H4 111.296
N2 C1 H5 107.079 N2 C1 H6 107.079
H4 C1 H5 111.540 H4 C1 H6 111.540
H5 C1 H6 108.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability