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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B3PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-210.163224
Energy at 298.15K 
HF Energy-210.163224
Nuclear repulsion energy161.559057
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 B3PW91/6-311+G(3df,2p)
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 3697 3539 68.68      
2 A1 3270 3130 0.02      
3 A1 3249 3110 2.33      
4 A1 1508 1444 9.70      
5 A1 1428 1367 3.14      
6 A1 1184 1133 2.66      
7 A1 1098 1051 7.85      
8 A1 1040 995 29.47      
9 A1 900 861 0.21      
10 A2 892 854 0.00      
11 A2 700 670 0.00      
12 A2 629 602 0.00      
13 B1 849 812 0.73      
14 B1 735 704 160.64      
15 B1 645 617 0.13      
16 B1 502 481 70.75      
17 B2 3264 3124 1.97      
18 B2 3238 3100 2.24      
19 B2 1579 1512 1.75      
20 B2 1461 1398 5.80      
21 B2 1312 1256 1.51      
22 B2 1164 1114 3.19      
23 B2 1071 1025 26.23      
24 B2 874 836 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 18143.4 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 17368.6 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 B3PW91/6-311+G(3df,2p)
ABC
0.30800 0.30337 0.15283

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

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 0.709 -0.979
C6 0.000 -0.709 -0.979
H7 0.000 2.105 0.764
H8 0.000 -2.105 0.764
H9 0.000 1.357 -1.840
H10 0.000 -1.357 -1.840

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00361.36621.36622.21092.21092.13422.13423.25233.2523
H21.00362.10912.10913.17783.17782.50362.50364.18544.1854
C31.36622.10912.23701.37212.24831.07723.25242.18433.2926
C41.36622.10912.23702.24831.37213.25241.07723.29262.1843
C52.21093.17781.37212.24831.41812.23253.30981.07792.2383
C62.21093.17782.24831.37211.41813.30982.23252.23831.0779
H72.13422.50361.07723.25242.23253.30984.21002.70934.3318
H82.13422.50363.25241.07723.30982.23254.21004.33182.7093
H93.25234.18542.18433.29261.07792.23832.70934.33182.7135
H103.25234.18543.29262.18432.23831.07794.33182.70932.7135

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.686 N1 C3 H7 121.271
N1 C4 C6 107.686 N1 C4 H8 121.271
H2 N1 C3 125.046 H2 N1 C4 125.046
C3 N1 C4 109.907 C3 C5 C6 107.361
C3 C5 H9 125.707 C4 C6 C5 107.361
C4 C6 H10 125.707 C5 C3 H7 131.043
C5 C6 H10 126.932 C6 C4 H8 131.043
C6 C5 H9 126.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.827      
2 H 0.160      
3 C 0.068      
4 C 0.068      
5 C -0.011      
6 C -0.011      
7 H 0.142      
8 H 0.142      
9 H 0.134      
10 H 0.134      


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 1.869 1.869
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.973 0.000 0.000
y 0.000 -26.973 0.000
z 0.000 0.000 -23.687
Traceless
 xyz
x -8.643 0.000 0.000
y 0.000 1.857 0.000
z 0.000 0.000 6.786
Polar
3z2-r213.572
x2-y2-7.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.634 0.000 0.000
y 0.000 9.229 0.000
z 0.000 0.000 8.834


<r2> (average value of r2) Å2
<r2> 85.158
(<r2>)1/2 9.228