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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: wB97X-D/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/3-21G
 hartrees
Energy at 0K-208.945264
Energy at 298.15K 
HF Energy-208.945264
Nuclear repulsion energy160.481296
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 wB97X-D/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 3676 3676 77.05      
2 A1 3334 3334 0.00      
3 A1 3308 3308 1.79      
4 A1 1509 1509 4.02      
5 A1 1429 1429 7.97      
6 A1 1183 1183 1.48      
7 A1 1118 1118 9.91      
8 A1 1046 1046 30.20      
9 A1 940 940 0.54      
10 A2 949 949 0.00      
11 A2 751 751 0.00      
12 A2 652 652 0.00      
13 B1 905 905 3.33      
14 B1 768 768 126.21      
15 B1 657 657 3.01      
16 B1 631 631 167.55      
17 B2 3324 3324 1.72      
18 B2 3297 3297 2.09      
19 B2 1599 1599 12.24      
20 B2 1465 1465 9.70      
21 B2 1345 1345 0.16      
22 B2 1195 1195 2.24      
23 B2 1085 1085 30.06      
24 B2 924 924 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 18545.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18545.2 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 wB97X-D/3-21G
ABC
0.30297 0.29988 0.15071

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.128
H2 0.000 0.000 2.135
C3 0.000 1.129 0.330
C4 0.000 -1.129 0.330
C5 0.000 0.715 -0.983
C6 0.000 -0.715 -0.983
H7 0.000 2.119 0.752
H8 0.000 -2.119 0.752
H9 0.000 1.355 -1.849
H10 0.000 -1.355 -1.849

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00781.38281.38282.22812.22812.15242.15243.27013.2701
H21.00782.12972.12973.19903.19902.53112.53114.20814.2081
C31.38282.12972.25901.37652.26381.07593.27612.19013.3043
C41.38282.12972.25902.26381.37653.27611.07593.30432.1901
C52.22813.19901.37652.26381.43002.23163.32291.07672.2438
C62.22813.19902.26381.37651.43003.32292.23162.24381.0767
H72.15242.53111.07593.27612.23163.32294.23862.71024.3396
H82.15242.53113.27611.07593.32292.23164.23864.33962.7102
H93.27014.20812.19013.30431.07672.24382.71024.33962.7100
H103.27014.20813.30432.19012.24381.07674.33962.71022.7100

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.707 N1 C3 H7 121.691
N1 C4 C6 107.707 N1 C4 H8 121.691
H2 N1 C3 125.231 H2 N1 C4 125.231
C3 N1 C4 109.538 C3 C5 C6 107.525
C3 C5 H9 126.004 C4 C6 C5 107.525
C4 C6 H10 126.004 C5 C3 H7 130.602
C5 C6 H10 126.471 C6 C4 H8 130.602
C6 C5 H9 126.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.728      
2 H 0.344      
3 C 0.043      
4 C 0.043      
5 C -0.287      
6 C -0.287      
7 H 0.231      
8 H 0.231      
9 H 0.205      
10 H 0.205      


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 2.030 2.030
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.879 0.000 0.000
y 0.000 -25.736 0.000
z 0.000 0.000 -22.698
Traceless
 xyz
x -9.662 0.000 0.000
y 0.000 2.552 0.000
z 0.000 0.000 7.109
Polar
3z2-r214.219
x2-y2-8.143
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.858 0.000 0.000
y 0.000 7.173 0.000
z 0.000 0.000 7.115


<r2> (average value of r2) Å2
<r2> 85.554
(<r2>)1/2 9.250