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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: HSEh1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/TZVP
 hartrees
Energy at 0K-210.007389
Energy at 298.15K 
HF Energy-210.007389
Nuclear repulsion energy161.582518
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 HSEh1PBE/TZVP
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 3709 3561 74.58      
2 A1 3291 3160 0.00      
3 A1 3270 3139 1.87      
4 A1 1517 1456 9.80      
5 A1 1439 1381 3.63      
6 A1 1190 1143 3.00      
7 A1 1104 1060 9.18      
8 A1 1044 1003 32.87      
9 A1 906 870 0.35      
10 A2 889 854 0.00      
11 A2 696 669 0.00      
12 A2 632 607 0.00      
13 B1 836 803 1.64      
14 B1 731 702 167.29      
15 B1 646 620 0.10      
16 B1 493 473 72.58      
17 B2 3285 3154 1.36      
18 B2 3259 3129 2.43      
19 B2 1591 1528 3.31      
20 B2 1474 1415 6.50      
21 B2 1316 1263 1.78      
22 B2 1172 1126 3.75      
23 B2 1077 1034 30.54      
24 B2 882 847 1.68      

Unscaled Zero Point Vibrational Energy (zpe) 18224.6 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 17497.5 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 HSEh1PBE/TZVP
ABC
0.30805 0.30356 0.15289

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.115
H2 0.000 0.000 2.119
C3 0.000 1.118 0.331
C4 0.000 -1.118 0.331
C5 0.000 0.709 -0.978
C6 0.000 -0.709 -0.978
H7 0.000 2.106 0.763
H8 0.000 -2.106 0.763
H9 0.000 1.356 -1.841
H10 0.000 -1.356 -1.841

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00381.36601.36602.21002.21002.13522.13523.25243.2524
H21.00382.10902.10903.17723.17722.50472.50474.18574.1857
C31.36602.10902.23681.37162.24771.07793.25322.18483.2925
C41.36602.10902.23682.24771.37163.25321.07793.29252.1848
C52.21003.17721.37162.24771.41762.23243.30971.07872.2380
C62.21003.17722.24771.37161.41763.30972.23242.23801.0787
H72.13522.50471.07793.25322.23243.30974.21192.70984.3321
H82.13522.50473.25321.07793.30972.23244.21194.33212.7098
H93.25244.18572.18483.29251.07872.23802.70984.33212.7124
H103.25244.18573.29252.18482.23801.07874.33212.70982.7124

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.664 N1 C3 H7 121.326
N1 C4 C6 107.664 N1 C4 H8 121.326
H2 N1 C3 125.040 H2 N1 C4 125.040
C3 N1 C4 109.920 C3 C5 C6 107.376
C3 C5 H9 125.741 C4 C6 C5 107.376
C4 C6 H10 125.741 C5 C3 H7 131.011
C5 C6 H10 126.883 C6 C4 H8 131.011
C6 C5 H9 126.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.121      
2 H 0.242      
3 C -0.176      
4 C -0.176      
5 C -0.132      
6 C -0.132      
7 H 0.122      
8 H 0.122      
9 H 0.125      
10 H 0.125      


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 1.976 1.976
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.110 0.000 0.000
y 0.000 -26.763 0.000
z 0.000 0.000 -23.485
Traceless
 xyz
x -8.986 0.000 0.000
y 0.000 2.034 0.000
z 0.000 0.000 6.952
Polar
3z2-r213.904
x2-y2-7.346
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.662 0.000 0.000
y 0.000 8.501 0.000
z 0.000 0.000 8.269


<r2> (average value of r2) Å2
<r2> 85.083
(<r2>)1/2 9.224