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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: CCSD=FULL/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/cc-pVTZ
 hartrees
Energy at 0K-169.558132
Energy at 298.15K-169.561860
HF Energy-168.894019
Nuclear repulsion energy70.854220
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-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' 3177 3012 8.79      
2 A' 3083 2923 3.22      
3 A' 1697 1609 48.10      
4 A' 1493 1416 21.25      
5 A' 1414 1341 13.63      
6 A' 1181 1120 14.46      
7 A' 905 858 10.66      
8 A' 591 560 2.63      
9 A" 3155 2991 4.55      
10 A" 1497 1419 10.05      
11 A" 1002 950 3.10      
12 A" 157 149 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 9675.9 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 9173.7 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-pVTZ
ABC
2.06588 0.38879 0.34820

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/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 0.569 0.000
O3 1.150 0.229 0.000
H4 -0.411 -1.511 0.000
H5 -1.571 -0.456 0.878
H6 -1.571 -0.456 -0.878

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47312.23601.08441.08591.0859
N21.47311.19862.12012.07082.0708
O32.23601.19862.33752.93942.9394
H41.08442.12012.33751.79681.7968
H51.08592.07082.93941.79681.7554
H61.08592.07082.93941.79681.7554

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.233 N2 C1 H4 111.071
N2 C1 H5 107.068 N2 C1 H6 107.068
H4 C1 H5 111.764 H4 C1 H6 111.764
H5 C1 H6 107.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability