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

using model chemistry: SVWN/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at SVWN/6-311G**
 hartrees
Energy at 0K-224.354721
Energy at 298.15K-224.359027
HF Energy-224.354721
Nuclear repulsion energy153.662295
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 SVWN/6-311G**
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 3147 3114 0.00      
2 A1 3141 3109 6.56      
3 A1 1444 1429 31.26      
4 A1 1283 1270 44.71      
5 A1 1183 1171 21.29      
6 A1 975 965 1.50      
7 A1 899 890 4.94      
8 A2 857 848 0.00      
9 A2 544 539 0.00      
10 B1 858 849 0.02      
11 B1 687 680 35.89      
12 B1 431 427 20.61      
13 B2 3129 3097 0.00      
14 B2 1503 1487 18.46      
15 B2 1239 1226 0.29      
16 B2 1166 1154 0.66      
17 B2 1024 1014 99.08      
18 B2 811 802 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 12160.9 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 12034.5 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 SVWN/6-311G**
ABC
0.35835 0.30928 0.16601

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.088
N2 0.000 1.159 0.371
N3 0.000 -1.159 0.371
C4 0.000 0.732 -0.871
C5 0.000 -0.732 -0.871
H6 0.000 0.000 2.181
H7 0.000 1.410 -1.728
H8 0.000 -1.410 -1.728

Atom - Atom Distances (Å)
  C1 N2 N3 C4 C5 H6 H7 H8
C11.36301.36302.09132.09131.09283.14933.1493
N21.36302.31811.31282.26252.14942.11363.3175
N31.36302.31812.26251.31282.14943.31752.1136
C42.09131.31282.26251.46483.13831.09272.3078
C52.09132.26251.31281.46483.13832.30781.0927
H61.09282.14942.14943.13833.13834.15534.1553
H73.14932.11363.31751.09272.30784.15532.8207
H83.14933.31752.11362.30781.09274.15532.8207

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 102.786 C1 N3 C5 102.786
N2 C1 N3 116.499 N2 C1 H6 121.751
N2 C4 C5 108.964 N2 C4 H7 122.690
N3 C1 H6 121.751 N3 C5 C4 108.964
N3 C5 H8 122.690 C4 C5 H8 128.346
C5 C4 H7 128.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.106      
2 N -0.257      
3 N -0.257      
4 C -0.033      
5 C -0.033      
6 H 0.163      
7 H 0.155      
8 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.572 1.572
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.319 0.000 0.000
y 0.000 -34.274 0.000
z 0.000 0.000 -22.334
Traceless
 xyz
x -1.015 0.000 0.000
y 0.000 -8.448 0.000
z 0.000 0.000 9.463
Polar
3z2-r218.925
x2-y24.955
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.192 0.000 0.000
y 0.000 6.271 0.000
z 0.000 0.000 7.613


<r2> (average value of r2) Å2
<r2> 75.966
(<r2>)1/2 8.716