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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G3B3
 hartrees
Energy at 0K-210.009893
Energy at 298.15K-210.004822
HF Energy-210.165890
Nuclear repulsion energy160.714197
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 B3LYP/6-31G*
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 3670 3525 49.48      
2 A1 3285 3155 0.06      
3 A1 3263 3133 7.36      
4 A1 1521 1460 9.08      
5 A1 1439 1382 4.69      
6 A1 1182 1135 2.66      
7 A1 1104 1060 7.77      
8 A1 1045 1003 26.42      
9 A1 900 864 0.15      
10 A2 871 837 0.00      
11 A2 671 645 0.00      
12 A2 630 605 0.00      
13 B1 818 785 5.35      
14 B1 731 702 114.50      
15 B1 641 616 0.85      
16 B1 448 430 79.81      
17 B2 3280 3150 8.52      
18 B2 3251 3122 3.64      
19 B2 1599 1536 4.57      
20 B2 1475 1416 7.40      
21 B2 1322 1270 1.84      
22 B2 1171 1124 2.25      
23 B2 1079 1036 22.70      
24 B2 877 842 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 18135.8 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 17415.8 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 B3LYP/6-31G*
ABC
0.30477 0.30023 0.15124

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.122
H2 0.000 0.000 2.130
C3 0.000 1.125 0.331
C4 0.000 -1.125 0.331
C5 0.000 0.713 -0.983
C6 0.000 -0.713 -0.983
H7 0.000 2.114 0.768
H8 0.000 -2.114 0.768
H9 0.000 1.360 -1.850
H10 0.000 -1.360 -1.850

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00801.37551.37552.22322.22322.14312.14313.26873.2687
H21.00802.12202.12203.19443.19442.51472.51474.20624.2062
C31.37552.12202.25061.37812.25981.08043.26822.19373.3070
C41.37552.12202.25062.25981.37813.26821.08043.30702.1937
C52.22323.19441.37812.25981.42522.24283.32491.08172.2467
C62.22323.19442.25981.37811.42523.32492.24282.24671.0817
H72.14312.51471.08043.26822.24283.32494.22722.72384.3498
H82.14312.51473.26821.08043.32492.24284.22724.34982.7238
H93.26874.20622.19373.30701.08172.24672.72384.34982.7209
H103.26874.20623.30702.19372.24671.08174.34982.72382.7209

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.665 N1 C3 H7 121.114
N1 C4 C6 107.665 N1 C4 H8 121.114
H2 N1 C3 125.093 H2 N1 C4 125.093
C3 N1 C4 109.814 C3 C5 C6 107.428
C3 C5 H9 125.690 C4 C6 C5 107.428
C4 C6 H10 125.690 C5 C3 H7 131.221
C5 C6 H10 126.882 C6 C4 H8 131.221
C6 C5 H9 126.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.548      
2 H 0.329      
3 C 0.026      
4 C 0.026      
5 C -0.175      
6 C -0.175      
7 H 0.138      
8 H 0.138      
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 1.909 1.909
CHELPG 0.000 0.000 1.893 1.893
AIM        
ESP 0.000 0.000 1.905 1.905


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 85.398
(<r2>)1/2 9.241