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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-263.551826
Energy at 298.15K 
HF Energy-262.692059
Nuclear repulsion energy177.882313
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.84278 0.04907 0.04718

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.426 0.640 0.000
C2 -0.426 -0.640 0.000
C3 -0.426 1.833 0.000
C4 0.426 -1.833 0.000
N5 1.135 -2.770 0.000
N6 -1.135 2.770 0.000
H7 1.068 0.666 0.881
H8 1.068 0.666 -0.881
H9 -1.068 -0.666 0.881
H10 -1.068 -0.666 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.53751.46692.47283.48232.64131.08991.08992.17112.1711
C21.53752.47281.46692.64133.48232.17112.17111.08991.0899
C31.46692.47283.76424.86061.17462.09052.09052.72652.7265
C42.47281.46693.76421.17464.86062.72652.72652.09052.0905
N53.48232.64134.86061.17465.98673.54753.54753.17093.1709
N62.64133.48231.17464.86065.98673.17093.17093.54753.5475
H71.08992.17112.09052.72653.54753.17091.76152.51713.0722
H81.08992.17112.09052.72653.54753.17091.76153.07222.5171
H92.17111.08992.72652.09053.17093.54752.51713.07221.7615
H102.17111.08992.72652.09053.17093.54753.07222.51711.7615

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 110.766 C1 C2 H9 110.284
C1 C2 H10 110.284 C1 C3 N6 178.413
C2 C1 C3 110.766 C2 C1 H7 110.284
C2 C1 H8 110.284 C2 C4 N5 178.413
C3 C1 H7 108.806 C3 C1 H8 108.806
C4 C2 H9 108.806 C4 C2 H10 108.806
H7 C1 H8 107.824 H9 C2 H10 107.824
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability