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

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-224.940664
Energy at 298.15K-224.945051
HF Energy-224.214693
Nuclear repulsion energy153.959556
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 MP3=FULL/6-31+G**
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 3359 3129 0.04      
2 A1 3345 3116 15.07      
3 A1 1538 1433 41.07      
4 A1 1399 1304 88.74      
5 A1 1219 1136 44.41      
6 A1 1064 991 11.43      
7 A1 954 889 1.38      
8 A2 944 880 0.00      
9 A2 590 550 0.00      
10 B1 935 871 2.19      
11 B1 861 802 19.90      
12 B1 548 510 41.06      
13 B2 3329 3101 0.02      
14 B2 1666 1552 55.61      
15 B2 1345 1253 0.16      
16 B2 1237 1152 31.67      
17 B2 1015 946 39.08      
18 B2 466 434 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 12906.6 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 12023.7 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 MP3=FULL/6-31+G**
ABC
0.35998 0.31001 0.16657

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.090
N2 0.000 1.162 0.368
N3 0.000 -1.162 0.368
C4 0.000 0.727 -0.868
C5 0.000 -0.727 -0.868
H6 0.000 0.000 2.166
H7 0.000 1.385 -1.721
H8 0.000 -1.385 -1.721

Atom - Atom Distances (Å)
  C1 N2 N3 C4 C5 H6 H7 H8
C11.36821.36822.08902.08901.07603.13413.1341
N21.36822.32441.31092.25782.14092.10133.2946
N31.36822.32442.25781.31092.14093.29462.1013
C42.08901.31092.25781.45393.12031.07742.2778
C52.08902.25781.31091.45393.12032.27781.0774
H61.07602.14092.14093.12033.12034.12684.1268
H73.13412.10133.29461.07742.27784.12682.7701
H83.13413.29462.10132.27781.07744.12682.7701

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 102.455 C1 N3 C5 102.455
N2 C1 N3 116.305 N2 C1 H6 121.847
N2 C4 C5 109.392 N2 C4 H7 122.956
N3 C1 H6 121.847 N3 C5 C4 109.392
N3 C5 H8 122.956 C4 C5 H8 127.652
C5 C4 H7 127.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability