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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: CCSD=FULL/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-207.709957
Energy at 298.15K 
HF Energy-206.871993
Nuclear repulsion energy104.499070
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/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/aug-cc-pVTZ
ABC
2.84822 0.14518 0.14181

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.304 1.155 0.000
N2 0.000 0.560 0.000
C3 -0.544 -0.499 0.000
O4 -1.185 -1.476 0.000
H5 1.197 2.234 0.000
H6 1.860 0.858 0.886
H7 1.860 0.858 -0.886

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.43332.47963.62141.08431.08691.0869
N21.43331.19042.35572.05762.08132.0813
C32.47961.19041.16873.23992.89852.8985
O43.62142.35571.16874.40853.93693.9369
H51.08432.05763.23994.40851.76541.7654
H61.08692.08132.89853.93691.76541.7715
H71.08692.08132.89853.93691.76541.7715

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 141.681 N2 C1 H5 108.844
N2 C1 H6 110.600 N2 C1 H7 110.600
N2 C3 O4 173.915 H5 C1 H6 108.799
H5 C1 H7 108.799 H6 C1 H7 109.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability