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

using model chemistry: MP4/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 MP4/aug-cc-pVTZ
 hartrees
Energy at 0K-225.857164
Energy at 298.15K 
HF Energy-224.896212
Nuclear repulsion energy162.687780
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/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4/aug-cc-pVTZ
ABC
0.32373 0.31095 0.15861

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 1.108 0.000
C2 -1.092 0.285 0.000
C3 1.122 0.302 0.000
N4 -0.745 -0.991 0.000
C5 0.639 -0.987 0.000
H6 -0.011 2.114 0.000
H7 -2.102 0.666 0.000
H8 2.119 0.710 0.000
H9 1.202 -1.906 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 N4 C5 H6 H7 H8 H9
N11.36761.38112.22732.18931.00662.14782.15633.2443
C21.36762.21451.32252.14772.12481.07913.23973.1725
C31.38112.21452.27171.37652.13723.24451.07732.2094
N42.22731.32252.27171.38383.19092.14193.33162.1517
C52.18932.14771.37651.38383.16803.20022.25161.0784
H61.00662.12482.13723.19093.16802.54302.55204.1991
H72.14781.07913.24452.14193.20022.54304.22154.1873
H82.15633.23971.07733.33162.25162.55204.22152.7714
H93.24433.17252.20942.15171.07844.19914.18732.7714

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 111.768 N1 C2 H7 122.325
N1 C3 C5 105.102 N1 C3 H8 122.112
C2 N1 C3 107.349 C2 N1 H6 126.331
C2 N4 C5 105.017 C3 N1 H6 126.321
C3 C5 N4 110.765 C3 C5 H9 127.906
N4 C2 H7 125.906 N4 C5 H9 121.329
C5 C3 H8 132.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability