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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: SVWN/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 SVWN/3-21G
 hartrees
Energy at 0K-207.849725
Energy at 298.15K-207.855877
HF Energy-207.849725
Nuclear repulsion energy160.408418
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 SVWN/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 3536 3472 68.20      
2 A1 3240 3181 0.02      
3 A1 3215 3157 0.18      
4 A1 1462 1436 2.70      
5 A1 1399 1374 6.14      
6 A1 1164 1143 2.48      
7 A1 1097 1077 3.43      
8 A1 1026 1008 29.07      
9 A1 914 898 0.19      
10 A2 877 861 0.00      
11 A2 690 678 0.00      
12 A2 634 623 0.00      
13 B1 831 816 3.33      
14 B1 717 704 135.60      
15 B1 646 635 0.12      
16 B1 607 596 141.82      
17 B2 3229 3170 0.01      
18 B2 3205 3147 1.34      
19 B2 1545 1517 11.35      
20 B2 1423 1397 7.63      
21 B2 1294 1270 0.95      
22 B2 1159 1138 4.85      
23 B2 1053 1034 32.39      
24 B2 892 876 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 17927.3 cm-1
Scaled (by 0.9819) Zero Point Vibrational Energy (zpe) 17602.8 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 SVWN/3-21G
ABC
0.30349 0.29952 0.15075

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.130
H2 0.000 0.000 2.140
C3 0.000 1.129 0.331
C4 0.000 -1.129 0.331
C5 0.000 0.727 -0.994
C6 0.000 -0.727 -0.994
H7 0.000 2.105 0.759
H8 0.000 -2.105 0.759
H9 0.000 1.426 -1.804
H10 0.000 -1.426 -1.804

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00971.38301.38302.24542.24542.13782.13783.26253.2625
H21.00972.13222.13223.21733.21732.51762.51764.19404.1940
C31.38302.13222.25701.38452.28011.06683.26222.15573.3292
C41.38302.13222.25702.28011.38453.26221.06683.32922.1557
C52.24543.21731.38452.28011.45422.23053.33141.06982.3003
C62.24543.21732.28011.38451.45423.33142.23052.30031.0698
H72.13782.51761.06683.26222.23053.33144.21092.65224.3638
H82.13782.51763.26221.06683.33142.23054.21094.36382.6522
H93.26254.19402.15573.32921.06982.30032.65224.36382.8518
H103.26254.19403.32922.15572.30031.06984.36382.65222.8518

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 108.457 N1 C3 H7 120.998
N1 C4 C6 108.457 N1 C4 H8 120.998
H2 N1 C3 125.312 H2 N1 C4 125.312
C3 N1 C4 109.376 C3 C5 C6 106.855
C3 C5 H9 122.359 C4 C6 C5 106.855
C4 C6 H10 122.359 C5 C3 H7 130.545
C5 C6 H10 130.786 C6 C4 H8 130.545
C6 C5 H9 130.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.663      
2 H 0.334      
3 C 0.022      
4 C 0.022      
5 C -0.263      
6 C -0.263      
7 H 0.217      
8 H 0.217      
9 H 0.189      
10 H 0.189      


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 2.095 2.095
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.845 0.000 0.000
y 0.000 -25.967 0.000
z 0.000 0.000 -22.595
Traceless
 xyz
x -9.564 0.000 0.000
y 0.000 2.254 0.000
z 0.000 0.000 7.311
Polar
3z2-r214.621
x2-y2-7.879
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.918 0.000 0.000
y 0.000 7.423 0.000
z 0.000 0.000 7.224


<r2> (average value of r2) Å2
<r2> 85.659
(<r2>)1/2 9.255