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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B3LYPultrafine/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/6-31G**
 hartrees
Energy at 0K-210.176341
Energy at 298.15K 
HF Energy-210.176341
Nuclear repulsion energy160.768586
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 B3LYPultrafine/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 3690 3545 54.58      
2 A1 3281 3152 0.16      
3 A1 3259 3131 5.77      
4 A1 1517 1458 9.44      
5 A1 1437 1381 4.46      
6 A1 1180 1134 2.71      
7 A1 1102 1058 7.80      
8 A1 1043 1002 26.34      
9 A1 899 864 0.15      
10 A2 877 843 0.00      
11 A2 679 653 0.00      
12 A2 630 605 0.00      
13 B1 825 793 3.49      
14 B1 734 706 110.54      
15 B1 641 616 0.94      
16 B1 459 441 77.71      
17 B2 3275 3147 6.95      
18 B2 3248 3120 3.20      
19 B2 1595 1532 4.11      
20 B2 1470 1413 7.31      
21 B2 1318 1267 1.87      
22 B2 1166 1120 2.31      
23 B2 1076 1034 22.77      
24 B2 876 842 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 18138.4 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 17427.4 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 B3LYPultrafine/6-31G**
ABC
0.30482 0.30045 0.15131

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.122
H2 0.000 0.000 2.129
C3 0.000 1.125 0.331
C4 0.000 -1.125 0.331
C5 0.000 0.712 -0.983
C6 0.000 -0.712 -0.983
H7 0.000 2.114 0.766
H8 0.000 -2.114 0.766
H9 0.000 1.361 -1.848
H10 0.000 -1.361 -1.848

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00671.37521.37522.22272.22272.14332.14333.26723.2672
H21.00672.12052.12053.19263.19262.51482.51484.20334.2033
C31.37522.12052.25031.37792.25951.07983.26772.19223.3061
C41.37522.12052.25032.25951.37793.26771.07983.30612.1922
C52.22273.19261.37792.25951.42502.24123.32361.08092.2465
C62.22273.19262.25951.37791.42503.32362.24122.24651.0809
H72.14332.51481.07983.26772.24123.32364.22712.72034.3480
H82.14332.51483.26771.07983.32362.24124.22714.34802.7203
H93.26724.20332.19223.30611.08092.24652.72034.34802.7218
H103.26724.20333.30612.19222.24651.08094.34802.72032.7218

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.674 N1 C3 H7 121.160
N1 C4 C6 107.674 N1 C4 H8 121.160
H2 N1 C3 125.101 H2 N1 C4 125.101
C3 N1 C4 109.799 C3 C5 C6 107.426
C3 C5 H9 125.711 C4 C6 C5 107.426
C4 C6 H10 125.711 C5 C3 H7 131.166
C5 C6 H10 126.862 C6 C4 H8 131.166
C6 C5 H9 126.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.485      
2 H 0.261      
3 C 0.070      
4 C 0.070      
5 C -0.128      
6 C -0.128      
7 H 0.095      
8 H 0.095      
9 H 0.075      
10 H 0.075      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.902 1.902
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.808 0.000 0.000
y 0.000 -26.436 0.000
z 0.000 0.000 -23.275
Traceless
 xyz
x -7.953 0.000 0.000
y 0.000 1.606 0.000
z 0.000 0.000 6.347
Polar
3z2-r212.694
x2-y2-6.373
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.702 0.000 0.000
y 0.000 7.869 0.000
z 0.000 0.000 7.748


<r2> (average value of r2) Å2
<r2> 85.372
(<r2>)1/2 9.240