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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: CCD/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 CCD/daug-cc-pVTZ
 hartrees
Energy at 0K-207.633442
Energy at 298.15K 
HF Energy-206.871854
Nuclear repulsion energy104.342830
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 CCD/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCD/daug-cc-pVTZ
ABC
2.51735 0.14731 0.14291

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.370 1.053 0.000
N2 0.000 0.597 0.000
C3 -0.573 -0.455 0.000
O4 -1.243 -1.413 0.000
H5 1.376 2.139 0.000
H6 1.893 0.700 0.888
H7 1.893 0.700 -0.888

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.44422.45993.59311.08631.08911.0891
N21.44421.19802.36312.06692.09352.0935
C32.45991.19801.16883.24492.86442.8644
O43.59312.36311.16884.41323.88463.8846
H51.08632.06693.24494.41321.76821.7682
H61.08912.09352.86443.88461.76821.7760
H71.08912.09352.86443.88461.76821.7760

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 136.979 N2 C1 H5 108.709
N2 C1 H6 110.676 N2 C1 H7 110.676
N2 C3 O4 173.561 H5 C1 H6 108.744
H5 C1 H7 108.744 H6 C1 H7 109.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability