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

using model chemistry: B2PLYP=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-208.041498
Energy at 298.15K-208.045948
HF Energy-207.889865
Nuclear repulsion energy149.280958
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 B2PLYP=FULL/3-21G*
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 3314 3314 0.25      
2 A1 3280 3280 4.02      
3 A1 1541 1541 0.59      
4 A1 1374 1374 4.12      
5 A1 1200 1200 0.00      
6 A1 1088 1088 20.20      
7 A1 1023 1023 20.70      
8 A1 898 898 11.88      
9 A2 923 923 0.00      
10 A2 823 823 0.00      
11 A2 511 511 0.00      
12 B1 844 844 0.55      
13 B1 731 731 88.31      
14 B1 559 559 23.26      
15 B2 3291 3291 3.84      
16 B2 3273 3273 7.08      
17 B2 1370 1370 30.63      
18 B2 1314 1314 1.11      
19 B2 999 999 18.76      
20 B2 921 921 0.18      
21 B2 525 525 2.39      

Unscaled Zero Point Vibrational Energy (zpe) 14900.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14900.3 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 B2PLYP=FULL/3-21G*
ABC
0.32443 0.28824 0.15263

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.262
C2 0.000 1.085 0.429
C3 0.000 -1.085 0.429
C4 0.000 0.684 -0.994
C5 0.000 -0.684 -0.994
H6 0.000 2.092 0.814
H7 0.000 -2.092 0.814
H8 0.000 1.350 -1.839
H9 0.000 -1.350 -1.839

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.36781.36782.35662.35662.13882.13883.38193.3819
C21.36782.16981.47772.26961.07803.19972.28313.3275
C31.36782.16982.26961.47773.19971.07803.32752.2831
C42.35661.47772.26961.36752.29143.31221.07662.2027
C52.35662.26961.47771.36753.31222.29142.20271.0766
H62.13881.07803.19972.29143.31224.18312.75504.3459
H72.13883.19971.07803.31222.29144.18314.34592.7550
H83.38192.28313.32751.07662.20272.75504.34592.7006
H93.38193.32752.28312.20271.07664.34592.75502.7006

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 111.768 N1 C2 H6 121.516
N1 C3 C5 111.768 N1 C3 H7 121.516
C2 N1 C3 104.964 C2 C4 C5 105.750
C2 C4 H8 125.996 C3 C5 C4 105.750
C3 C5 H9 125.996 C4 C2 H6 126.716
C4 C5 H9 128.253 C5 C3 H7 126.716
C5 C4 H8 128.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability