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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: CCSD=FULL/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-169.578719
Energy at 298.15K-169.582451
HF Energy-168.897028
Nuclear repulsion energy70.863029
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/aug-cc-pVTZ
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' 3165 3010 8.24      
2 A' 3074 2923 3.09      
3 A' 1692 1609 52.62      
4 A' 1496 1422 22.99      
5 A' 1420 1350 13.70      
6 A' 1188 1130 14.31      
7 A' 908 863 11.09      
8 A' 594 565 2.47      
9 A" 3147 2993 3.44      
10 A" 1503 1430 10.75      
11 A" 1018 968 3.30      
12 A" 156 148 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 9679.3 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 9205.0 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/aug-cc-pVTZ
ABC
2.07026 0.38857 0.34831

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.941 -0.565 0.000
N2 0.000 0.567 0.000
O3 1.149 0.231 0.000
H4 -0.411 -1.513 0.000
H5 -1.570 -0.456 0.881
H6 -1.570 -0.456 -0.881

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47182.23661.08661.08781.0878
N21.47181.19772.12042.07022.0702
O32.23661.19772.34002.93962.9396
H41.08662.12042.34001.79931.7993
H51.08782.07022.93961.79931.7619
H61.08782.07022.93961.79931.7619

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.431 N2 C1 H4 111.058
N2 C1 H5 107.000 N2 C1 H6 107.000
H4 C1 H5 111.691 H4 C1 H6 111.691
H5 C1 H6 108.159
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability