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All results from a given calculation for CH3NCO (methylisocyante)

using model chemistry: MP4/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-207.506567
Energy at 298.15K 
HF Energy-206.812675
Nuclear repulsion energy102.457943
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 MP4/6-31G*
Rotational Constants (cm-1) from geometry optimized at MP4/aug-cc-pVDZ
ABC
2.24099 0.14428 0.13922

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.418 1.007 0.000
N2 0.000 0.644 0.000
C3 -0.581 -0.442 0.000
O4 -1.294 -1.405 0.000
H5 1.488 2.105 0.000
H6 1.921 0.616 0.901
H7 1.921 0.616 -0.901

Atom - Atom Distances (Å)
  C1 N2 C3 O4 H5 H6 H7
C11.46352.46893.62951.10001.10371.1037
N21.46351.23212.42372.08532.12202.1220
C32.46891.23211.19823.28172.86202.8620
O43.62952.42371.19824.47903.90313.9031
H51.10002.08533.28174.47901.79341.7934
H61.10372.12202.86203.90311.79341.8018
H71.10372.12202.86203.90311.79341.8018

picture of methylisocyante state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 132.483 N2 C1 H5 108.029
N2 C1 H6 110.725 N2 C1 H7 110.725
N2 C3 O4 171.580 H5 C1 H6 108.942
H5 C1 H7 108.942 H6 C1 H7 109.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability