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All results from a given calculation for C4H4N (pyrrolide radical)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-208.926126
Energy at 298.15K-208.930846
HF Energy-208.242691
Nuclear repulsion energy151.276696
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 MP2/6-311G**
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 3295 3130 0.57      
2 A1 3252 3090 0.33      
3 A1 1591 1511 18.82      
4 A1 1451 1379 27.60      
5 A1 1266 1203 10.81      
6 A1 1113 1058 39.65      
7 A1 1075 1021 4.93      
8 A1 891 846 11.26      
9 A2 890 846 0.00      
10 A2 842 800 0.00      
11 A2 492 468 0.00      
12 B1 897 852 0.16      
13 B1 711 676 63.41      
14 B1 564 536 29.97      
15 B2 28093 26694 0.00      
16 B2 3272 3109 50.86      
17 B2 3244 3083 76.53      
18 B2 1320 1254 113.53      
19 B2 1300 1236 31.38      
20 B2 1029 978 1.23      
21 B2 886 842 6.40      

Unscaled Zero Point Vibrational Energy (zpe) 28736.7 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 27305.6 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 MP2/6-311G**
ABC
0.33479 0.29547 0.15695

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.244
C2 0.000 1.054 0.423
C3 0.000 -1.054 0.423
C4 0.000 0.688 -0.981
C5 0.000 -0.688 -0.981
H6 0.000 2.064 0.819
H7 0.000 -2.064 0.819
H8 0.000 1.362 -1.826
H9 0.000 -1.362 -1.826

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33611.33612.32882.32882.10722.10723.35893.3589
C21.33612.10761.45012.23711.08513.14282.26993.3008
C31.33612.10762.23711.45013.14281.08513.30082.2699
C42.32881.45012.23711.37682.26513.28851.08132.2183
C52.32882.23711.45011.37683.28852.26512.21831.0813
H62.10721.08513.14282.26513.28854.12782.73654.3286
H72.10723.14281.08513.28852.26514.12784.32862.7365
H83.35892.26993.30081.08132.21832.73654.32862.7249
H93.35893.30082.26992.21831.08134.32862.73652.7249

picture of pyrrolide radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 113.341 N1 C2 H6 120.646
N1 C3 C5 113.341 N1 C3 H7 120.646
C2 N1 C3 104.131 C2 C4 C5 104.593
C2 C4 H8 126.844 C3 C5 C4 104.593
C3 C5 H9 126.844 C4 C2 H6 126.013
C4 C5 H9 128.563 C5 C3 H7 126.013
C5 C4 H8 128.563
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability