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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: CCSD(T)=FULL/daug-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(T)=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-207.753197
Energy at 298.15K 
HF Energy-206.870977
Nuclear repulsion energy104.092859
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)=FULL/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/daug-cc-pVTZ
ABC
2.64482 0.14552 0.14161

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.345 1.100 0.000
N2 0.000 0.586 0.000
C3 -0.557 -0.478 0.000
O4 -1.224 -1.445 0.000
H5 1.303 2.185 0.000
H6 1.882 0.770 0.888
H7 1.882 0.770 -0.888

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.43982.47133.61621.08581.08871.0887
N21.43981.20062.37122.06312.08922.0892
C32.47131.20061.17493.24842.88042.8804
O43.61622.37121.17494.42333.91733.9173
H51.08582.06313.24844.42331.76751.7675
H61.08872.08922.88043.91731.76751.7752
H71.08872.08922.88043.91731.76751.7752

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 138.586 N2 C1 H5 108.739
N2 C1 H6 110.664 N2 C1 H7 110.664
N2 C3 O4 173.086 H5 C1 H6 108.748
H5 C1 H7 108.748 H6 C1 H7 109.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability