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All results from a given calculation for C4H4N2 (1,3-Diazine)

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 C2V 1A1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-263.556989
Energy at 298.15K 
HF Energy-262.704751
Nuclear repulsion energy208.079462
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
0.20819 0.20105 0.10228

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.350
C2 0.000 0.000 -1.311
C3 0.000 1.194 0.624
C4 0.000 -1.194 0.624
N5 0.000 1.203 -0.714
N6 0.000 -1.203 -0.714
H7 0.000 0.000 2.430
H8 0.000 0.000 -2.388
H9 0.000 2.152 1.121
H10 0.000 -2.152 1.121

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C12.66061.39711.39712.38932.38931.08033.73792.16422.1642
C22.66062.27362.27361.34321.34323.74081.07733.24733.2473
C31.39712.27362.38771.33842.74562.16493.24021.07943.3827
C41.39712.27362.38772.74561.33842.16493.24023.38271.0794
N52.38931.34321.33842.74562.40693.36682.06152.06593.8247
N62.38931.34322.74561.33842.40693.36682.06153.82472.0659
H71.08033.74082.16492.16493.36683.36684.81812.51902.5190
H83.73791.07733.24023.24022.06152.06154.81814.11644.1164
H92.16423.24731.07943.38272.06593.82472.51904.11644.3042
H102.16423.24733.38271.07943.82472.06592.51904.11644.3042

picture of 1,3-Diazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N5 121.703 C1 C3 H9 121.299
C1 C4 N6 121.703 C1 C4 H10 121.299
C2 N5 C3 115.956 C2 N6 C4 115.956
C3 C1 C4 117.414 C3 C1 H7 121.293
C4 C1 H7 121.293 N5 C2 N6 127.267
N5 C2 H8 116.367 N5 C3 H9 116.997
N6 C2 H8 116.367 N6 C4 H10 116.997
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability