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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: CCSD=FULL/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-207.709361
Energy at 298.15K 
HF Energy-206.877533
Nuclear repulsion energy104.470071
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/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/Def2TZVPP
ABC
2.51343 0.14776 0.14331

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.370 1.048 0.000
N2 0.000 0.598 0.000
C3 -0.573 -0.453 0.000
O4 -1.243 -1.410 0.000
H5 1.381 2.132 0.000
H6 1.891 0.695 0.885
H7 1.891 0.695 -0.885

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.44192.45523.58741.08351.08651.0865
N21.44191.19712.36162.06362.09022.0902
C32.45521.19711.16823.24002.85872.8587
O43.58742.36161.16824.40763.87753.8775
H51.08352.06363.24004.40761.76331.7633
H61.08652.09022.85873.87751.76331.7708
H71.08652.09022.85873.87751.76331.7708

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 136.793 N2 C1 H5 108.766
N2 C1 H6 110.735 N2 C1 H7 110.735
N2 C3 O4 173.600 H5 C1 H6 108.697
H5 C1 H7 108.697 H6 C1 H7 109.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability