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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: CCSD/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/cc-pVTZ
 hartrees
Energy at 0K-169.515645
Energy at 298.15K-169.519359
HF Energy-168.893375
Nuclear repulsion energy70.596340
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/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' 3172 2986 9.05      
2 A' 3061 2881 3.37      
3 A' 1683 1584 48.47      
4 A' 1482 1395 20.46      
5 A' 1404 1321 12.51      
6 A' 1176 1107 14.86      
7 A' 894 841 11.16      
8 A' 588 554 2.46      
9 A" 3151 2966 5.09      
10 A" 1485 1397 9.62      
11 A" 1000 941 3.24      
12 A" 153 144 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 9623.9 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 9058.0 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/cc-pVTZ
ABC
2.04525 0.38617 0.34568

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.943 -0.569 0.000
N2 0.000 0.572 0.000
O3 1.153 0.231 0.000
H4 -0.409 -1.517 0.000
H5 -1.575 -0.462 0.881
H6 -1.575 -0.462 -0.881

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48092.24341.08811.08951.0895
N21.48091.20202.12922.08012.0801
O32.24341.20202.34422.94902.9490
H41.08812.12922.34421.80271.8027
H51.08952.08012.94901.80271.7620
H61.08952.08012.94901.80271.7620

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.068 N2 C1 H4 111.035
N2 C1 H5 107.064 N2 C1 H6 107.064
H4 C1 H5 111.754 H4 C1 H6 111.754
H5 C1 H6 107.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability