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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBE1PBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/Def2TZVPP
 hartrees
Energy at 0K-210.002396
Energy at 298.15K 
HF Energy-210.002396
Nuclear repulsion energy161.735378
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 PBE1PBE/Def2TZVPP
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 3716 3716 71.33      
2 A1 3287 3287 0.02      
3 A1 3266 3266 2.19      
4 A1 1519 1519 8.78      
5 A1 1441 1441 3.09      
6 A1 1194 1194 3.05      
7 A1 1102 1102 8.11      
8 A1 1044 1044 28.90      
9 A1 902 902 0.22      
10 A2 892 892 0.00      
11 A2 705 705 0.00      
12 A2 634 634 0.00      
13 B1 849 849 0.63      
14 B1 740 740 155.96      
15 B1 650 650 0.00      
16 B1 505 505 69.78      
17 B2 3281 3281 1.90      
18 B2 3255 3255 2.30      
19 B2 1591 1591 2.71      
20 B2 1479 1479 5.20      
21 B2 1315 1315 1.79      
22 B2 1168 1168 3.65      
23 B2 1075 1075 26.25      
24 B2 879 879 1.48      

Unscaled Zero Point Vibrational Energy (zpe) 18244.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18244.4 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 PBE1PBE/Def2TZVPP
ABC
0.30876 0.30400 0.15318

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.114
H2 0.000 0.000 2.116
C3 0.000 1.117 0.331
C4 0.000 -1.117 0.331
C5 0.000 0.708 -0.978
C6 0.000 -0.708 -0.978
H7 0.000 2.103 0.764
H8 0.000 -2.103 0.764
H9 0.000 1.356 -1.839
H10 0.000 -1.356 -1.839

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00241.36351.36352.20812.20812.13232.13233.24973.2497
H21.00242.10532.10533.17383.17382.50052.50054.18154.1815
C31.36352.10532.23341.37132.24601.07743.24912.18393.2907
C41.36352.10532.23342.24601.37133.24911.07743.29072.1839
C52.20813.17381.37132.24601.41672.23163.30761.07822.2374
C62.20813.17382.24601.37131.41673.30762.23162.23741.0782
H72.13232.50051.07743.24912.23163.30764.20692.70844.3300
H82.13232.50053.24911.07743.30762.23164.20694.33002.7084
H93.24974.18152.18393.29071.07822.23742.70844.33002.7129
H103.24974.18153.29072.18392.23741.07824.33002.70842.7129

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.689 N1 C3 H7 121.312
N1 C4 C6 107.689 N1 C4 H8 121.312
H2 N1 C3 125.013 H2 N1 C4 125.013
C3 N1 C4 109.974 C3 C5 C6 107.325
C3 C5 H9 125.726 C4 C6 C5 107.325
C4 C6 H10 125.726 C5 C3 H7 130.999
C5 C6 H10 126.950 C6 C4 H8 130.999
C6 C5 H9 126.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.128      
2 H 0.180      
3 C -0.099      
4 C -0.099      
5 C -0.173      
6 C -0.173      
7 H 0.128      
8 H 0.128      
9 H 0.118      
10 H 0.118      


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 1.930 1.930
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.834 0.000 0.000
y 0.000 -26.845 0.000
z 0.000 0.000 -23.564
Traceless
 xyz
x -8.629 0.000 0.000
y 0.000 1.854 0.000
z 0.000 0.000 6.776
Polar
3z2-r213.552
x2-y2-6.989
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.905 0.000 0.000
y 0.000 8.752 0.000
z 0.000 0.000 8.477


<r2> (average value of r2) Å2
<r2> 84.936
(<r2>)1/2 9.216