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

using model chemistry: B2PLYP=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-225.340735
Energy at 298.15K-225.345174
HF Energy-225.104485
Nuclear repulsion energy152.977882
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3290 3290 2.19      
2 A1 3280 3280 12.45      
3 A1 1468 1468 15.08      
4 A1 1337 1337 52.28      
5 A1 1175 1175 29.70      
6 A1 1016 1016 3.90      
7 A1 922 922 3.04      
8 A2 886 886 0.00      
9 A2 569 569 0.00      
10 B1 877 877 0.65      
11 B1 776 776 17.62      
12 B1 520 520 30.77      
13 B2 3267 3267 1.58      
14 B2 1561 1561 16.20      
15 B2 1318 1318 0.00      
16 B2 1214 1214 6.44      
17 B2 1017 1017 69.05      
18 B2 771 771 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 12631.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12631.8 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/6-31G**
ABC
0.35574 0.30564 0.16440

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.094
N2 0.000 1.169 0.372
N3 0.000 -1.169 0.372
C4 0.000 0.734 -0.875
C5 0.000 -0.734 -0.875
H6 0.000 0.000 2.175
H7 0.000 1.399 -1.728
H8 0.000 -1.399 -1.728

Atom - Atom Distances (Å)
  C1 N2 N3 C4 C5 H6 H7 H8
C11.37411.37412.10172.10171.08053.14963.1496
N21.37412.33831.32102.27552.14842.11263.3171
N31.37412.33832.27551.32102.14843.31712.1126
C42.10171.32102.27551.46813.13691.08112.2967
C52.10172.27551.32101.46813.13692.29671.0811
H61.08052.14842.14843.13693.13694.14564.1456
H73.14962.11263.31711.08112.29674.14562.7970
H83.14963.31712.11262.29671.08114.14562.7970

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 102.466 C1 N3 C5 102.466
N2 C1 N3 116.606 N2 C1 H6 121.697
N2 C4 C5 109.231 N2 C4 H7 122.844
N3 C1 H6 121.697 N3 C5 C4 109.231
N3 C5 H8 122.844 C4 C5 H8 127.926
C5 C4 H7 127.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability