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All results from a given calculation for C3H4N2 (1H-Imidazole)

using model chemistry: QCISD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-225.803591
Energy at 298.15K 
HF Energy-224.898313
Nuclear repulsion energy163.494928
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/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVTZ
ABC
0.32613 0.31490 0.16021

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 1.105 0.000
C2 -1.086 0.283 0.000
C3 1.118 0.295 0.000
N4 -0.746 -0.980 0.000
C5 0.637 -0.984 0.000
H6 -0.012 2.107 0.000
H7 -2.094 0.664 0.000
H8 2.116 0.694 0.000
H9 1.196 -1.903 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 N4 C5 H6 H7 H8 H9
N11.36191.38002.21362.18341.00242.13992.15523.2370
C21.36192.20351.30732.13812.11711.07783.22803.1601
C31.38002.20352.25761.36632.13503.23271.07502.1997
N42.21361.30732.25761.38253.17272.12583.31512.1504
C52.18342.13811.36631.38253.15813.18942.23681.0762
H61.00242.11712.13503.17273.15812.53352.55374.1882
H72.13991.07783.23272.12583.18942.53354.20994.1733
H82.15523.22801.07503.31512.23682.55374.20992.7555
H93.23703.16012.19972.15041.07624.18824.17332.7555

picture of 1H-Imidazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 N4 112.042 N1 C2 H7 122.160
N1 C3 C5 105.315 N1 C3 H8 122.282
C2 N1 C3 106.956 C2 N1 H6 126.458
C2 N4 C5 105.259 C3 N1 H6 126.587
C3 C5 N4 110.429 C3 C5 H9 128.073
N4 C2 H7 125.799 N4 C5 H9 121.498
C5 C3 H8 132.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability