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

using model chemistry: QCISD/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 QCISD/6-311G**
 hartrees
Energy at 0K-208.966805
Energy at 298.15K-208.971381
HF Energy-208.243187
Nuclear repulsion energy150.401883
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/6-311G**
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 3277 3127 1.99      
2 A1 3235 3086 2.20      
3 A1 1585 1513 0.33      
4 A1 1472 1404 20.82      
5 A1 1211 1155 2.04      
6 A1 1103 1052 30.17      
7 A1 1050 1002 0.25      
8 A1 881 841 9.96      
9 A2 879 838 0.00      
10 A2 799 763 0.00      
11 A2 481 459 0.00      
12 B1 813 775 0.76      
13 B1 711 678 67.90      
14 B1 546 521 19.38      
15 B2 3257 3108 1.49      
16 B2 3231 3082 11.21      
17 B2 1464 1397 0.60      
18 B2 1303 1243 0.87      
19 B2 1091 1041 59.98      
20 B2 1025 978 2.65      
21 B2 760 725 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 15086.1 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 14393.7 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/6-311G**
ABC
0.33194 0.29084 0.15502

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

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 0.428
C3 0.000 -1.066 0.428
C4 0.000 0.681 -0.990
C5 0.000 -0.681 -0.990
H6 0.000 2.076 0.823
H7 0.000 -2.076 0.823
H8 0.000 1.357 -1.836
H9 0.000 -1.357 -1.836

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34741.34742.34342.34342.12032.12033.37283.3728
C21.34742.13111.46862.24951.08543.16672.28193.3149
C31.34742.13112.24951.46863.16671.08543.31492.2819
C42.34341.46862.24951.36232.28763.30011.08242.2063
C52.34342.24951.46861.36233.30012.28762.20631.0824
H62.12031.08543.16672.28763.30014.15282.75444.3421
H72.12033.16671.08543.30012.28764.15284.34212.7544
H83.37282.28193.31491.08242.20632.75444.34212.7131
H93.37283.31492.28192.20631.08244.34212.75442.7131

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 112.567 N1 C2 H6 120.894
N1 C3 C5 112.567 N1 C3 H7 120.894
C2 N1 C3 104.519 C2 C4 C5 105.173
C2 C4 H8 126.222 C3 C5 C4 105.173
C3 C5 H9 126.222 C4 C2 H6 126.538
C4 C5 H9 128.605 C5 C3 H7 126.538
C5 C4 H8 128.605
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability