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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: CCSD(T)/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(T)/cc-pVDZ
 hartrees
Energy at 0K-169.374552
Energy at 298.15K-169.378180
HF Energy-168.840243
Nuclear repulsion energy69.743288
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(T)/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' 3169 3102        
2 A' 3043 2979        
3 A' 1606 1572        
4 A' 1446 1416        
5 A' 1364 1335        
6 A' 1141 1116        
7 A' 856 838        
8 A' 574 562        
9 A" 3148 3082        
10 A" 1451 1420        
11 A" 961 941        
12 A" 125 122        

Unscaled Zero Point Vibrational Energy (zpe) 9442.3 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 9242.1 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(T)/cc-pVDZ
ABC
1.96706 0.37945 0.33870

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.953 -0.572 0.000
N2 0.000 0.584 0.000
O3 1.164 0.225 0.000
H4 -0.408 -1.532 0.000
H5 -1.594 -0.463 0.894
H6 -1.594 -0.463 -0.894

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.49862.26241.10431.10541.1054
N21.49861.21862.15562.10622.1062
O32.26241.21862.35762.97972.9797
H41.10432.15562.35761.83021.8302
H51.10542.10622.97971.83021.7888
H61.10542.10622.97971.83021.7888

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.328 N2 C1 H4 110.909
N2 C1 H5 106.992 N2 C1 H6 106.992
H4 C1 H5 111.839 H4 C1 H6 111.839
H5 C1 H6 108.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability