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All results from a given calculation for C3H4N2 (2H-Imidazole)

using model chemistry: MP4=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4=FULL/6-311G**
 hartrees
Energy at 0K-225.686843
Energy at 298.15K-225.692803
HF Energy-224.774363
Nuclear repulsion energy165.992369
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 MP4=FULL/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 3245 3121        
2 A1 3093 2974        
3 A1 1677 1613        
4 A1 1437 1382        
5 A1 1390 1337        
6 A1 1256 1207        
7 A1 1031 991        
8 A1 917 881        
9 A2 1151 1107        
10 A2 876 842        
11 A2 529 508        
12 B1 3143 3022        
13 B1 1021 981        
14 B1 812 780        
15 B1 341 328        
16 B2 3231 3107        
17 B2 1730 1663        
18 B2 1396 1342        
19 B2 1239 1191        
20 B2 1086 1044        
21 B2 930 894        

Unscaled Zero Point Vibrational Energy (zpe) 15763.9 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 15157.0 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 MP4=FULL/6-311G**
ABC
0.36020 0.30049 0.16919

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.210
N2 0.000 0.997 0.284
N3 0.000 -0.997 0.284
C4 0.000 0.732 -0.953
C5 0.000 -0.732 -0.953
H6 -0.900 0.000 1.834
H7 0.900 0.000 1.834
H8 0.000 1.487 -1.733
H9 0.000 -1.487 -1.733

Atom - Atom Distances (Å)
  C1 N2 N3 C4 C5 H6 H7 H8 H9
C11.36121.36122.28382.28381.09551.09553.29693.2969
N21.36121.99461.26512.12612.05172.05172.07493.1993
N31.36121.99462.12611.26512.05172.05173.19932.0749
C42.28381.26512.12611.46393.01953.01951.08492.3515
C52.28382.12611.26511.46393.01953.01952.35151.0849
H61.09552.05172.05173.01953.01951.80033.96793.9679
H71.09552.05172.05173.01953.01951.80033.96793.9679
H83.29692.07493.19931.08492.35153.96793.96792.9732
H93.29693.19932.07492.35151.08493.96793.96792.9732

picture of 2H-Imidazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C4 120.783 C1 N3 C5 120.783
N2 C1 N3 94.220 N2 C1 H6 112.822
N2 C1 H7 112.822 N2 C4 C5 102.107
N2 C4 H8 123.817 N3 C1 H6 112.822
N3 C1 H7 112.822 N3 C5 C4 102.107
N3 C5 H9 123.817 C4 C5 H9 134.076
C5 C4 H8 134.076 H6 C1 H7 110.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability