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All results from a given calculation for C4H5N (Pyrrole)

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

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/6-31+G**
 hartrees
Energy at 0K-210.188171
Energy at 298.15K 
HF Energy-210.188171
Nuclear repulsion energy160.571093
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/6-31+G**
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 3686 3548 67.32      
2 A1 3281 3158 0.01      
3 A1 3259 3138 3.95      
4 A1 1504 1448 12.27      
5 A1 1428 1374 3.37      
6 A1 1173 1130 2.35      
7 A1 1096 1056 8.51      
8 A1 1038 999 34.22      
9 A1 897 863 0.42      
10 A2 883 850 0.00      
11 A2 687 661 0.00      
12 A2 624 601 0.00      
13 B1 833 802 1.54      
14 B1 729 702 179.58      
15 B1 635 611 0.15      
16 B1 483 465 80.21      
17 B2 3276 3153 3.33      
18 B2 3248 3127 3.24      
19 B2 1580 1521 1.82      
20 B2 1458 1404 8.13      
21 B2 1314 1265 1.38      
22 B2 1163 1120 2.53      
23 B2 1071 1031 29.80      
24 B2 875 842 1.94      

Unscaled Zero Point Vibrational Energy (zpe) 18109.5 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 17434.0 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/6-31+G**
ABC
0.30414 0.29958 0.15092

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.124
H2 0.000 0.000 2.131
C3 0.000 1.127 0.332
C4 0.000 -1.127 0.332
C5 0.000 0.713 -0.985
C6 0.000 -0.713 -0.985
H7 0.000 2.115 0.767
H8 0.000 -2.115 0.767
H9 0.000 1.362 -1.850
H10 0.000 -1.362 -1.850

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00751.37661.37662.22592.22592.14532.14533.27043.2704
H21.00752.12232.12233.19663.19662.51732.51734.20734.2073
C31.37662.12232.25311.38072.26281.07993.27082.19483.3098
C41.37662.12232.25312.26281.38073.27081.07993.30982.1948
C52.22593.19661.38072.26281.42652.24363.32701.08112.2483
C62.22593.19662.26281.38071.42653.32702.24362.24831.0811
H72.14532.51731.07993.27082.24363.32704.23072.72254.3517
H82.14532.51733.27081.07993.32702.24364.23074.35172.7225
H93.27044.20732.19483.30981.08112.24832.72254.35172.7242
H103.27044.20733.30982.19482.24831.08114.35172.72252.7242

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.662 N1 C3 H7 121.218
N1 C4 C6 107.662 N1 C4 H8 121.218
H2 N1 C3 125.079 H2 N1 C4 125.079
C3 N1 C4 109.842 C3 C5 C6 107.417
C3 C5 H9 125.701 C4 C6 C5 107.417
C4 C6 H10 125.701 C5 C3 H7 131.119
C5 C6 H10 126.882 C6 C4 H8 131.119
C6 C5 H9 126.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.279      
2 H 0.295      
3 C -0.202      
4 C -0.202      
5 C -0.059      
6 C -0.059      
7 H 0.132      
8 H 0.132      
9 H 0.121      
10 H 0.121      


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 1.918 1.918
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.678 0.000 0.000
y 0.000 -27.324 0.000
z 0.000 0.000 -24.002
Traceless
 xyz
x -9.015 0.000 0.000
y 0.000 2.015 0.000
z 0.000 0.000 6.999
Polar
3z2-r213.999
x2-y2-7.353
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.404 0.000 0.000
y 0.000 9.024 0.000
z 0.000 0.000 8.686


<r2> (average value of r2) Å2
<r2> 86.264
(<r2>)1/2 9.288