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All results from a given calculation for C3H3N2 (imidazolyl radical)

using model chemistry: CCSD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-225.169537
Energy at 298.15K 
HF Energy-224.276872
Nuclear repulsion energy152.826811
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 CCSD(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVTZ
ABC
0.35534 0.30466 0.16403

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.096
N2 0.000 1.171 0.372
N3 0.000 -1.171 0.372
C4 0.000 0.736 -0.875
C5 0.000 -0.736 -0.875
H6 0.000 0.000 2.176
H7 0.000 1.401 -1.728
H8 0.000 -1.401 -1.728

Atom - Atom Distances (Å)
  C1 N2 N3 C4 C5 H6 H7 H8
C11.37621.37622.10422.10421.07973.15183.1518
N21.37622.34101.32092.27852.15002.11223.3197
N31.37622.34102.27851.32092.15003.31972.1122
C42.10421.32092.27851.47223.13851.08082.3007
C52.10422.27851.32091.47223.13852.30071.0808
H61.07972.15002.15003.13853.13854.14684.1468
H73.15182.11223.31971.08082.30074.14682.8019
H83.15183.31972.11222.30071.08084.14682.8019

picture of imidazolyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C4 102.532 C1 N3 C5 102.532
N2 C1 N3 116.538 N2 C1 H6 121.731
N2 C4 C5 109.199 N2 C4 H7 122.840
N3 C1 H6 121.731 N3 C5 C4 109.199
N3 C5 H8 122.840 C4 C5 H8 127.961
C5 C4 H7 127.961
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability