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

using model chemistry: MP3=FULL/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-224.923102
Energy at 298.15K-224.927505
HF Energy-224.221022
Nuclear repulsion energy153.296797
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/cc-pVDZ
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 3309 3111 0.07      
2 A1 3297 3100 17.75      
3 A1 1543 1450 43.90      
4 A1 1381 1299 71.07      
5 A1 1206 1134 46.81      
6 A1 1045 982 10.34      
7 A1 947 891 2.48      
8 A2 993 934 0.00      
9 A2 607 571 0.00      
10 B1 950 893 2.50      
11 B1 872 820 13.16      
12 B1 553 520 36.85      
13 B2 3279 3084 0.17      
14 B2 1663 1563 43.50      
15 B2 1315 1236 0.13      
16 B2 1214 1142 24.59      
17 B2 1006 946 44.27      
18 B2 451 424 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 12814.3 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 12049.3 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/cc-pVDZ
ABC
0.35893 0.30588 0.16514

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.089
N2 0.000 1.170 0.370
N3 0.000 -1.170 0.370
C4 0.000 0.732 -0.868
C5 0.000 -0.732 -0.868
H6 0.000 0.000 2.179
H7 0.000 1.398 -1.733
H8 0.000 -1.398 -1.733

Atom - Atom Distances (Å)
  C1 N2 N3 C4 C5 H6 H7 H8
C11.37311.37312.08942.08941.09033.14913.1491
N21.37312.33961.31342.26912.15452.11533.3189
N31.37312.33962.26911.31342.15453.31892.1153
C42.08941.31342.26911.46343.13401.09162.2984
C52.08942.26911.31341.46343.13402.29841.0916
H61.09032.15452.15453.13403.13404.15444.1544
H73.14912.11533.31891.09162.29844.15442.7957
H83.14913.31892.11532.29841.09164.15442.7957

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 102.090 C1 N3 C5 102.090
N2 C1 N3 116.850 N2 C1 H6 121.575
N2 C4 C5 109.485 N2 C4 H7 122.908
N3 C1 H6 121.575 N3 C5 C4 109.485
N3 C5 H8 122.908 C4 C5 H8 127.607
C5 C4 H7 127.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability