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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-208.869340
Energy at 298.15K-208.873940
HF Energy-208.196692
Nuclear repulsion energy150.475012
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 QCISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3284 3127 2.03      
2 A1 3245 3090 3.67      
3 A1 1610 1533 0.02      
4 A1 1492 1420 18.96      
5 A1 1220 1162 1.74      
6 A1 1118 1065 31.34      
7 A1 1069 1018 0.47      
8 A1 889 846 10.89      
9 A2 862 821 0.00      
10 A2 798 760 0.00      
11 A2 487 464 0.00      
12 B1 800 762 0.86      
13 B1 709 676 64.16      
14 B1 550 524 20.73      
15 B2 3267 3111 0.11      
16 B2 3241 3086 6.52      
17 B2 1787 1702 446.33      
18 B2 1325 1262 7.79      
19 B2 1233 1174 156.20      
20 B2 1044 994 0.02      
21 B2 840 800 4.81      

Unscaled Zero Point Vibrational Energy (zpe) 15433.8 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 14697.6 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 QCISD/6-31G*
ABC
0.33177 0.29181 0.15526

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.253
C2 0.000 1.066 0.425
C3 0.000 -1.066 0.425
C4 0.000 0.680 -0.987
C5 0.000 -0.680 -0.987
H6 0.000 2.079 0.821
H7 0.000 -2.079 0.821
H8 0.000 1.357 -1.835
H9 0.000 -1.357 -1.835

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34961.34962.34072.34072.12302.12303.37223.3722
C21.34962.13231.46382.24601.08713.16962.27833.3131
C31.34962.13232.24601.46383.16961.08713.31312.2783
C42.34071.46382.24601.36082.28553.29861.08442.2065
C52.34072.24601.46381.36083.29862.28552.20651.0844
H62.12301.08713.16962.28553.29864.15732.75194.3421
H72.12303.16961.08713.29862.28554.15734.34212.7519
H83.37222.27833.31311.08442.20652.75194.34212.7135
H93.37223.31312.27832.20651.08444.34212.75192.7135

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 112.541 N1 C2 H6 120.830
N1 C3 C5 112.541 N1 C3 H7 120.830
C2 N1 C3 104.362 C2 C4 C5 105.278
C2 C4 H8 126.134 C3 C5 C4 105.278
C3 C5 H9 126.134 C4 C2 H6 126.629
C4 C5 H9 128.588 C5 C3 H7 126.629
C5 C4 H8 128.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability