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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-207.293931
Energy at 298.15K-207.299572
HF Energy-207.293931
Nuclear repulsion energy157.891627
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 PBEPBE/STO-3G
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 3704 3384 45.66      
2 A1 3472 3172 2.15      
3 A1 3443 3145 15.26      
4 A1 1574 1438 4.85      
5 A1 1493 1364 9.71      
6 A1 1204 1100 3.18      
7 A1 1127 1030 1.68      
8 A1 1068 976 11.45      
9 A1 898 821 0.02      
10 A2 899 821 0.00      
11 A2 698 637 0.00      
12 A2 628 574 0.00      
13 B1 849 775 2.34      
14 B1 733 670 54.26      
15 B1 630 576 9.56      
16 B1 403 368 64.39      
17 B2 3459 3160 22.15      
18 B2 3433 3136 3.32      
19 B2 1653 1510 8.86      
20 B2 1532 1400 6.11      
21 B2 1332 1216 2.20      
22 B2 1166 1065 1.59      
23 B2 1098 1003 15.34      
24 B2 885 808 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 18689.6 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 17074.9 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 PBEPBE/STO-3G
ABC
0.29357 0.29087 0.14611

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.145
H2 0.000 0.000 2.194
C3 0.000 1.152 0.329
C4 0.000 -1.152 0.329
C5 0.000 0.720 -0.996
C6 0.000 -0.720 -0.996
H7 0.000 2.156 0.776
H8 0.000 -2.156 0.776
H9 0.000 1.370 -1.880
H10 0.000 -1.370 -1.880

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.04891.41171.41172.25872.25872.18732.18733.32133.3213
H21.04892.19202.19203.27013.27012.58062.58064.29864.2986
C31.41172.19202.30381.39372.29301.09893.33782.22023.3530
C41.41172.19202.30382.29301.39373.33781.09893.35302.2202
C52.25873.27011.39372.29301.43912.28073.37741.09802.2692
C62.25873.27012.29301.39371.43913.37742.28072.26921.0980
H72.18732.58061.09893.33782.28073.37744.31182.76984.4145
H82.18732.58063.33781.09893.37742.28074.31184.41452.7698
H93.32134.29862.22023.35301.09802.26922.76984.41452.7405
H103.32134.29863.35302.22022.26921.09804.41452.76982.7405

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.245 N1 C3 H7 120.700
N1 C4 C6 107.245 N1 C4 H8 120.700
H2 N1 C3 125.316 H2 N1 C4 125.316
C3 N1 C4 109.367 C3 C5 C6 108.071
C3 C5 H9 125.587 C4 C6 C5 108.071
C4 C6 H10 125.587 C5 C3 H7 132.055
C5 C6 H10 126.342 C6 C4 H8 132.055
C6 C5 H9 126.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.242      
2 H 0.225      
3 C -0.035      
4 C -0.035      
5 C -0.121      
6 C -0.121      
7 H 0.086      
8 H 0.086      
9 H 0.079      
10 H 0.079      


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 1.993 1.993
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.838 0.000 0.000
y 0.000 -25.325 0.000
z 0.000 0.000 -22.100
Traceless
 xyz
x -6.126 0.000 0.000
y 0.000 0.644 0.000
z 0.000 0.000 5.482
Polar
3z2-r210.964
x2-y2-4.513
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.730 0.000 0.000
y 0.000 5.061 0.000
z 0.000 0.000 5.161


<r2> (average value of r2) Å2
<r2> 86.741
(<r2>)1/2 9.313