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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: QCISD(T)=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-261.715962
Energy at 298.15K 
HF Energy-260.635890
Nuclear repulsion energy163.646078
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 QCISD(T)=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/cc-pVTZ
ABC
0.35072 0.32530 0.16877

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.127
N2 0.000 1.131 0.354
N3 0.000 -1.131 0.354
C4 0.000 0.709 -0.880
C5 0.000 -0.709 -0.880
H6 0.000 1.397 -1.701
H7 0.000 -1.397 -1.701

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.36991.36992.12822.12823.15393.1539
N21.36992.26221.30412.21532.07193.2577
N31.36992.26222.21531.30413.25772.0719
C42.12821.30412.21531.41761.07122.2601
C52.12822.21531.30411.41762.26011.0712
H63.15392.07193.25771.07122.26012.7939
H73.15393.25772.07192.26011.07122.7939

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.453 O1 N3 C5 105.453
N2 O1 N3 111.308 N2 C4 C5 108.893
N2 C4 H6 121.135 N3 C5 C4 108.893
N3 C5 H7 121.135 C4 C5 H7 129.971
C5 C4 H6 129.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability