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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-225.472647
Energy at 298.15K-225.477122
HF Energy-225.176302
Nuclear repulsion energy153.538785
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 B2PLYP=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3262 3118 1.17      
2 A1 3251 3108 11.26      
3 A1 1447 1383 13.03      
4 A1 1327 1269 52.31      
5 A1 1174 1122 29.42      
6 A1 1005 960 2.34      
7 A1 921 880 2.66      
8 A2 914 874 0.00      
9 A2 573 547 0.00      
10 B1 900 860 0.22      
11 B1 785 750 22.18      
12 B1 523 500 30.17      
13 B2 3238 3095 0.53      
14 B2 1541 1473 18.36      
15 B2 1306 1248 0.00      
16 B2 1205 1151 6.27      
17 B2 1014 969 73.49      
18 B2 770 736 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 12576.9 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 12021.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/cc-pVTZ
ABC
0.35749 0.30856 0.16561

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.093
N2 0.000 1.162 0.371
N3 0.000 -1.162 0.371
C4 0.000 0.732 -0.873
C5 0.000 -0.732 -0.873
H6 0.000 0.000 2.170
H7 0.000 1.395 -1.722
H8 0.000 -1.395 -1.722

Atom - Atom Distances (Å)
  C1 N2 N3 C4 C5 H6 H7 H8
C11.36871.36872.09762.09761.07663.14163.1416
N21.36872.32491.31562.26612.14202.10523.3044
N31.36872.32492.26611.31562.14203.30442.1052
C42.09761.31562.26611.46423.12921.07732.2905
C52.09762.26611.31561.46423.12922.29051.0773
H61.07662.14202.14203.12923.12924.13394.1339
H73.14162.10523.30441.07732.29054.13392.7905
H83.14163.30442.10522.29051.07734.13392.7905

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 102.768 C1 N3 C5 102.768
N2 C1 N3 116.277 N2 C1 H6 121.861
N2 C4 C5 109.094 N2 C4 H7 122.914
N3 C1 H6 121.861 N3 C5 C4 109.094
N3 C5 H8 122.914 C4 C5 H8 127.992
C5 C4 H7 127.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability