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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: CCSD=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-169.459711
Energy at 298.15K-169.463420
HF Energy-168.845767
Nuclear repulsion energy70.577275
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 CCSD=FULL/6-31G(2df,p)
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' 3217 3029 6.67      
2 A' 3100 2919 2.04      
3 A' 1697 1598 41.93      
4 A' 1502 1414 18.59      
5 A' 1423 1340 13.06      
6 A' 1188 1119 11.84      
7 A' 905 852 11.08      
8 A' 592 558 2.49      
9 A" 3195 3008 3.56      
10 A" 1502 1414 8.66      
11 A" 1012 953 1.77      
12 A" 147 138 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 9739.9 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 9171.1 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 CCSD=FULL/6-31G(2df,p)
ABC
2.03556 0.38683 0.34593

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.943 -0.567 0.000
N2 0.000 0.574 0.000
O3 1.153 0.227 0.000
H4 -0.409 -1.515 0.000
H5 -1.576 -0.461 0.881
H6 -1.576 -0.461 -0.881

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48022.24111.08851.08991.0899
N21.48021.20382.12862.08122.0812
O32.24111.20382.33932.94872.9487
H41.08852.12862.33931.80281.8028
H51.08992.08122.94871.80281.7622
H61.08992.08122.94871.80281.7622

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.826 N2 C1 H4 111.006
N2 C1 H5 107.163 N2 C1 H6 107.163
H4 C1 H5 111.697 H4 C1 H6 111.697
H5 C1 H6 107.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability