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All results from a given calculation for C3H4N2 (2H-Imidazole)

using model chemistry: MP4=FULL/aug-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 MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-225.852556
Energy at 298.15K 
HF Energy-224.807489
Nuclear repulsion energy166.742571
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=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/aug-cc-pVTZ
ABC
0.36284 0.30377 0.17076

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.203
N2 0.000 0.997 0.283
N3 0.000 -0.997 0.283
C4 0.000 0.726 -0.948
C5 0.000 -0.726 -0.948
H6 -0.896 0.000 1.824
H7 0.896 0.000 1.824
H8 0.000 1.472 -1.725
H9 0.000 -1.472 -1.725

Atom - Atom Distances (Å)
  C1 N2 N3 C4 C5 H6 H7 H8 H9
C11.35671.35672.27022.27021.09001.09003.27703.2770
N21.35671.99361.26022.11722.04262.04262.06303.1821
N31.35671.99362.11721.26022.04262.04263.18212.0630
C42.27021.26022.11721.45183.00243.00241.07712.3312
C52.27022.11721.26021.45183.00243.00242.33121.0771
H61.09002.04262.04263.00243.00241.79123.94523.9452
H71.09002.04262.04263.00243.00241.79123.94523.9452
H83.27702.06303.18211.07712.33123.94523.94522.9443
H93.27703.18212.06302.33121.07713.94523.94522.9443

picture of 2H-Imidazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C4 120.299 C1 N3 C5 120.299
N2 C1 N3 94.574 N2 C1 H6 112.746
N2 C1 H7 112.746 N2 C4 C5 102.414
N2 C4 H8 123.733 N3 C1 H6 112.746
N3 C1 H7 112.746 N3 C5 C4 102.414
N3 C5 H9 123.733 C4 C5 H9 133.853
C5 C4 H8 133.853 H6 C1 H7 110.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability