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

using model chemistry: CCSD(T)=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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-208.918360
Energy at 298.15K-208.923016
HF Energy-208.196137
Nuclear repulsion energy150.278040
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 CCSD(T)=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 3268 3172        
2 A1 3226 3131        
3 A1 1747 1696        
4 A1 1552 1506        
5 A1 1251 1214        
6 A1 1182 1147        
7 A1 1104 1071        
8 A1 875 849        
9 A2 843 818        
10 A2 795 772        
11 A2 482 468        
12 B1 796 772        
13 B1 700 679        
14 B1 549 532        
15 B2 3257 3162        
16 B2 3223 3129        
17 B2 1803 1750        
18 B2 1407 1366        
19 B2 1269 1232        
20 B2 1136 1103        
21 B2 993 964        

Unscaled Zero Point Vibrational Energy (zpe) 15728.1 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 15267.2 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 CCSD(T)=FULL/6-31G*
ABC
0.33085 0.29115 0.15487

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.255
C2 0.000 1.067 0.425
C3 0.000 -1.067 0.425
C4 0.000 0.683 -0.988
C5 0.000 -0.683 -0.988
H6 0.000 2.081 0.821
H7 0.000 -2.081 0.821
H8 0.000 1.360 -1.837
H9 0.000 -1.360 -1.837

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.35181.35182.34452.34452.12542.12543.37783.3778
C21.35182.13331.46362.24851.08863.17212.28043.3170
C31.35182.13332.24851.46363.17211.08863.31702.2804
C42.34451.46362.24851.36592.28573.30281.08592.2123
C52.34452.24851.46361.36593.30282.28572.21231.0859
H62.12541.08863.17212.28573.30284.16122.75364.3475
H72.12543.17211.08863.30282.28574.16124.34752.7536
H83.37782.28043.31701.08592.21232.75364.34752.7200
H93.37783.31702.28042.21231.08594.34752.75362.7200

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 112.705 N1 C2 H6 120.756
N1 C3 C5 112.705 N1 C3 H7 120.756
C2 N1 C3 104.195 C2 C4 C5 105.198
C2 C4 H8 126.231 C3 C5 C4 105.198
C3 C5 H9 126.231 C4 C2 H6 126.539
C4 C5 H9 128.571 C5 C3 H7 126.539
C5 C4 H8 128.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability