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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-208.876572
Energy at 298.15K-208.881301
HF Energy-208.197248
Nuclear repulsion energy151.345595
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/6-31G*
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 3321 3116 0.85      
2 A1 3282 3079 1.92      
3 A1 1658 1555 3.54      
4 A1 1516 1423 28.40      
5 A1 1271 1192 5.00      
6 A1 1143 1072 41.98      
7 A1 1095 1027 0.01      
8 A1 911 855 11.81      
9 A2 874 820 0.00      
10 A2 859 806 0.00      
11 A2 509 477 0.00      
12 B1 866 813 0.00      
13 B1 721 677 64.73      
14 B1 574 539 25.80      
15 B2 11126 10440 0.00      
16 B2 3297 3094 102.58      
17 B2 3274 3072 130.84      
18 B2 1353 1270 7.86      
19 B2 1329 1247 215.09      
20 B2 1050 985 5.26      
21 B2 901 845 34.40      

Unscaled Zero Point Vibrational Energy (zpe) 20463.8 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 19201.2 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/6-31G*
ABC
0.33533 0.29555 0.15709

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.243
C2 0.000 1.057 0.423
C3 0.000 -1.057 0.423
C4 0.000 0.681 -0.981
C5 0.000 -0.681 -0.981
H6 0.000 2.067 0.818
H7 0.000 -2.067 0.818
H8 0.000 1.358 -1.825
H9 0.000 -1.358 -1.825

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33751.33752.32622.32622.11032.11033.35513.3551
C21.33752.11351.45352.23451.08473.14862.26823.2991
C31.33752.11352.23451.45353.14861.08473.29912.2682
C42.32621.45352.23451.36282.27083.28491.08152.2069
C52.32622.23451.45351.36283.28492.27082.20691.0815
H62.11031.08473.14862.27083.28494.13402.73654.3261
H72.11033.14861.08473.28492.27084.13404.32612.7365
H83.35512.26823.29911.08152.20692.73654.32612.7156
H93.35513.29912.26822.20691.08154.32612.73652.7156

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 112.845 N1 C2 H6 120.840
N1 C3 C5 112.845 N1 C3 H7 120.840
C2 N1 C3 104.381 C2 C4 C5 104.965
C2 C4 H8 126.321 C3 C5 C4 104.965
C3 C5 H9 126.321 C4 C2 H6 126.315
C4 C5 H9 128.714 C5 C3 H7 126.315
C5 C4 H8 128.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability