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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-210.119875
Energy at 298.15K-210.125984
HF Energy-210.119875
Nuclear repulsion energy160.734324
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 B3PW91/aug-cc-pVDZ
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 3687 3557 65.83      
2 A1 3284 3167 0.03      
3 A1 3262 3146 2.70      
4 A1 1505 1452 11.13      
5 A1 1433 1382 2.06      
6 A1 1184 1142 3.00      
7 A1 1092 1053 7.44      
8 A1 1034 997 29.70      
9 A1 893 861 0.18      
10 A2 865 835 0.00      
11 A2 694 670 0.00      
12 A2 626 604 0.00      
13 B1 829 800 0.03      
14 B1 730 704 168.57      
15 B1 643 620 0.00      
16 B1 518 500 66.81      
17 B2 3278 3162 2.26      
18 B2 3250 3135 2.49      
19 B2 1577 1521 1.25      
20 B2 1470 1418 5.14      
21 B2 1297 1252 1.96      
22 B2 1156 1115 3.76      
23 B2 1063 1025 26.42      
24 B2 869 838 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 18118.3 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 17476.9 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 B3PW91/aug-cc-pVDZ
ABC
0.30495 0.30026 0.15129

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.120
H2 0.000 0.000 2.127
C3 0.000 1.124 0.334
C4 0.000 -1.124 0.334
C5 0.000 0.712 -0.984
C6 0.000 -0.712 -0.984
H7 0.000 2.117 0.770
H8 0.000 -2.117 0.770
H9 0.000 1.365 -1.852
H10 0.000 -1.365 -1.852

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00751.37151.37152.22122.22122.14582.14583.27043.2704
H21.00752.11662.11663.19183.19182.51482.51484.20704.2070
C31.37152.11662.24771.38062.26011.08483.27022.19913.3124
C41.37152.11662.24772.26011.38063.27021.08483.31242.1991
C52.22123.19181.38062.26011.42462.24733.32901.08602.2513
C62.22123.19182.26011.38061.42463.32902.24732.25131.0860
H72.14582.51481.08483.27022.24733.32904.23422.72794.3589
H82.14582.51483.27021.08483.32902.24734.23424.35892.7279
H93.27044.20702.19913.31241.08602.25132.72794.35892.7298
H103.27044.20703.31242.19912.25131.08604.35892.72792.7298

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.626 N1 C3 H7 121.317
N1 C4 C6 107.626 N1 C4 H8 121.317
H2 N1 C3 124.970 H2 N1 C4 124.970
C3 N1 C4 110.060 C3 C5 C6 107.344
C3 C5 H9 125.719 C4 C6 C5 107.344
C4 C6 H10 125.719 C5 C3 H7 131.057
C5 C6 H10 126.937 C6 C4 H8 131.057
C6 C5 H9 126.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.131      
2 H -0.130      
3 C 0.187      
4 C 0.187      
5 C 0.814      
6 C 0.814      
7 H -0.414      
8 H -0.414      
9 H -0.456      
10 H -0.456      


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 1.868 1.868
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.062 0.000 0.000
y 0.000 -27.046 0.000
z 0.000 0.000 -23.816
Traceless
 xyz
x -8.631 0.000 0.000
y 0.000 1.893 0.000
z 0.000 0.000 6.738
Polar
3z2-r213.476
x2-y2-7.016
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.723 0.000 0.000
y 0.000 9.452 0.000
z 0.000 0.000 9.052


<r2> (average value of r2) Å2
<r2> 85.922
(<r2>)1/2 9.269