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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-210.128601
Energy at 298.15K-210.134709
HF Energy-210.128601
Nuclear repulsion energy161.651176
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 B1B95/6-311G**
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 3705 3557 65.76      
2 A1 3284 3153 0.11      
3 A1 3261 3131 4.47      
4 A1 1516 1455 9.20      
5 A1 1442 1385 3.13      
6 A1 1192 1145 3.30      
7 A1 1100 1056 8.37      
8 A1 1042 1000 29.30      
9 A1 894 858 0.18      
10 A2 882 847 0.00      
11 A2 695 667 0.00      
12 A2 630 605 0.00      
13 B1 838 804 1.33      
14 B1 733 703 152.56      
15 B1 645 619 0.15      
16 B1 501 481 74.63      
17 B2 3278 3147 4.88      
18 B2 3249 3120 3.04      
19 B2 1591 1528 3.57      
20 B2 1481 1422 5.93      
21 B2 1305 1253 1.95      
22 B2 1166 1120 3.56      
23 B2 1072 1029 26.57      
24 B2 871 837 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 18185.6 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 17460.0 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 B1B95/6-311G**
ABC
0.30850 0.30361 0.15302

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.115
H2 0.000 0.000 2.119
C3 0.000 1.118 0.331
C4 0.000 -1.118 0.331
C5 0.000 0.708 -0.978
C6 0.000 -0.708 -0.978
H7 0.000 2.104 0.763
H8 0.000 -2.104 0.763
H9 0.000 1.355 -1.840
H10 0.000 -1.355 -1.840

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00361.36571.36572.20982.20982.13312.13313.25113.2511
H21.00362.10882.10883.17673.17672.50272.50274.18434.1843
C31.36572.10882.23581.37142.24651.07683.25072.18383.2904
C41.36572.10882.23582.24651.37143.25071.07683.29042.1838
C52.20983.17671.37142.24651.41602.23193.30751.07772.2356
C62.20983.17672.24651.37141.41603.30752.23192.23561.0777
H72.13312.50271.07683.25072.23193.30754.20782.70934.3291
H82.13312.50273.25071.07683.30752.23194.20784.32912.7093
H93.25114.18432.18383.29041.07772.23562.70934.32912.7094
H103.25114.18433.29042.18382.23561.07774.32912.70932.7094

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.671 N1 C3 H7 121.242
N1 C4 C6 107.671 N1 C4 H8 121.242
H2 N1 C3 125.061 H2 N1 C4 125.061
C3 N1 C4 109.878 C3 C5 C6 107.390
C3 C5 H9 125.735 C4 C6 C5 107.390
C4 C6 H10 125.735 C5 C3 H7 131.086
C5 C6 H10 126.876 C6 C4 H8 131.086
C6 C5 H9 126.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.360      
2 H 0.231      
3 C 0.057      
4 C 0.057      
5 C -0.202      
6 C -0.202      
7 H 0.111      
8 H 0.111      
9 H 0.098      
10 H 0.098      


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 1.966 1.966
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.515 0.000 0.000
y 0.000 -26.481 0.000
z 0.000 0.000 -23.292
Traceless
 xyz
x -8.629 0.000 0.000
y 0.000 1.922 0.000
z 0.000 0.000 6.707
Polar
3z2-r213.413
x2-y2-7.034
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.614 0.000 0.000
y 0.000 8.163 0.000
z 0.000 0.000 7.975


<r2> (average value of r2) Å2
<r2> 84.799
(<r2>)1/2 9.209