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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: CCSD=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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-169.363307
Energy at 298.15K-169.366994
HF Energy-168.842149
Nuclear repulsion energy70.115047
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/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' 3191 3191 9.55      
2 A' 3069 3069 4.28      
3 A' 1689 1689 45.85      
4 A' 1463 1463 16.30      
5 A' 1385 1385 11.41      
6 A' 1161 1161 16.15      
7 A' 884 884 12.25      
8 A' 587 587 1.99      
9 A" 3173 3173 6.74      
10 A" 1467 1467 8.48      
11 A" 981 981 3.21      
12 A" 144 144 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 9596.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9596.6 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 CCSD=FULL/cc-pVDZ
ABC
1.99636 0.38260 0.34197

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.947 -0.573 0.000
N2 0.000 0.580 0.000
O3 1.157 0.230 0.000
H4 -0.403 -1.531 0.000
H5 -1.587 -0.466 0.892
H6 -1.587 -0.466 -0.892

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.49142.25221.10191.10291.1029
N21.49141.20882.14872.09912.0991
O32.25221.20882.35302.96812.9681
H41.10192.14872.35301.82501.8250
H51.10292.09912.96811.82501.7842
H61.10292.09912.96811.82501.7842

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.620 N2 C1 H4 111.008
N2 C1 H5 107.069 N2 C1 H6 107.069
H4 C1 H5 111.737 H4 C1 H6 111.737
H5 C1 H6 107.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability