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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: HF/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 HF/Def2TZVPP
 hartrees
Energy at 0K-208.892728
Energy at 298.15K-208.899098
HF Energy-208.892728
Nuclear repulsion energy162.632656
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 966 876 0.84 1.46 0.64 0.78
2 A1 1096 994 26.96 0.79 0.74 0.85
3 A1 1146 1039 27.49 1.39 0.10 0.18
4 A1 1253 1135 2.23 45.22 0.10 0.18
5 A1 1526 1383 6.69 61.41 0.29 0.45
6 A1 1630 1477 13.87 21.80 0.14 0.24
7 A1 3391 3073 5.29 26.58 0.58 0.73
8 A1 3414 3094 0.18 210.28 0.13 0.24
9 A1 3921 3554 92.34 80.88 0.24 0.38
10 A2 674 611 0.00 0.01 0.75 0.86
11 A2 812 736 0.00 0.64 0.75 0.86
12 A2 998 904 0.00 0.66 0.75 0.86
13 B1 503 456 93.65 0.66 0.75 0.86
14 B1 683 619 0.94 0.45 0.75 0.86
15 B1 827 750 167.72 0.01 0.75 0.86
16 B1 978 886 0.06 2.00 0.75 0.86
17 B2 945 856 2.98 3.86 0.75 0.86
18 B2 1152 1045 20.32 3.10 0.75 0.86
19 B2 1236 1121 0.80 3.99 0.75 0.86
20 B2 1429 1295 0.65 0.35 0.75 0.86
21 B2 1571 1424 7.92 3.73 0.75 0.86
22 B2 1719 1558 5.60 1.57 0.75 0.86
23 B2 3379 3063 3.90 89.54 0.75 0.86
24 B2 3407 3088 7.01 3.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19326.7 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 17517.7 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 HF/Def2TZVPP
ABC
0.31057 0.30850 0.15477

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.106
H2 0.000 0.000 2.092
C3 0.000 1.109 0.326
C4 0.000 -1.109 0.326
C5 0.000 0.709 -0.968
C6 0.000 -0.709 -0.968
H7 0.000 2.086 0.754
H8 0.000 -2.086 0.754
H9 0.000 1.352 -1.820
H10 0.000 -1.352 -1.820

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N10.98631.35631.35632.19132.19132.11522.11523.22283.2228
H20.98632.08612.08613.14083.14082.47832.47834.13894.1389
C31.35632.08612.21871.35402.23101.06603.22362.15903.2648
C41.35632.08612.21872.23101.35403.22361.06603.26482.1590
C52.19133.14081.35402.23101.41712.20443.28181.06752.2294
C62.19133.14082.23101.35401.41713.28182.20442.22941.0675
H72.11522.47831.06603.22362.20443.28184.17142.67604.2939
H82.11522.47833.22361.06603.28182.20444.17144.29392.6760
H93.22284.13892.15903.26481.06752.22942.67604.29392.7033
H103.22284.13893.26482.15902.22941.06754.29392.67602.7033

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.901 N1 C3 H7 121.208
N1 C4 C6 107.901 N1 C4 H8 121.208
H2 N1 C3 125.120 H2 N1 C4 125.120
C3 N1 C4 109.759 C3 C5 C6 107.220
C3 C5 H9 125.738 C4 C6 C5 107.220
C4 C6 H10 125.738 C5 C3 H7 130.892
C5 C6 H10 127.043 C6 C4 H8 130.892
C6 C5 H9 127.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.266      
2 H 0.187      
3 C -0.003      
4 C -0.003      
5 C -0.155      
6 C -0.155      
7 H 0.104      
8 H 0.104      
9 H 0.094      
10 H 0.094      


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 1.906 1.906
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.406 0.000 0.000
y 0.000 -26.846 0.000
z 0.000 0.000 -23.819
Traceless
 xyz
x -9.074 0.000 0.000
y 0.000 2.267 0.000
z 0.000 0.000 6.807
Polar
3z2-r213.614
x2-y2-7.560
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.868 0.000 0.000
y 0.000 8.173 0.000
z 0.000 0.000 8.219


<r2> (average value of r2) Å2
<r2> 84.370
(<r2>)1/2 9.185