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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B3PW91/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/cc-pVDZ
 hartrees
Energy at 0K-210.107910
Energy at 298.15K-210.113989
HF Energy-210.107910
Nuclear repulsion energy160.758116
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/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 3684 3555 68.09      
2 A1 3285 3170 0.10      
3 A1 3263 3149 3.20      
4 A1 1513 1460 8.73      
5 A1 1440 1390 2.23      
6 A1 1191 1149 3.50      
7 A1 1092 1054 8.39      
8 A1 1033 996 26.98      
9 A1 891 860 0.06      
10 A2 881 850 0.00      
11 A2 688 664 0.00      
12 A2 629 607 0.00      
13 B1 831 802 1.49      
14 B1 730 705 126.64      
15 B1 644 622 0.64      
16 B1 486 469 65.49      
17 B2 3279 3164 3.05      
18 B2 3251 3138 2.48      
19 B2 1584 1529 2.53      
20 B2 1484 1432 4.19      
21 B2 1293 1248 2.39      
22 B2 1158 1118 3.17      
23 B2 1062 1025 26.38      
24 B2 868 838 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 18130.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17495.6 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/cc-pVDZ
ABC
0.30532 0.30019 0.15137

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/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 2.129
C3 0.000 1.123 0.334
C4 0.000 -1.123 0.334
C5 0.000 0.712 -0.984
C6 0.000 -0.712 -0.984
H7 0.000 2.117 0.772
H8 0.000 -2.117 0.772
H9 0.000 1.366 -1.853
H10 0.000 -1.366 -1.853

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00941.37041.37042.22082.22082.14552.14553.27143.2714
H21.00942.11742.11743.19333.19332.51462.51464.20974.2097
C31.37042.11742.24561.38042.25891.08673.26952.20043.3128
C41.37042.11742.24562.25891.38043.26951.08673.31282.2004
C52.22083.19331.38042.25891.42372.24923.32981.08752.2519
C62.22083.19332.25891.38041.42373.32982.24922.25191.0875
H72.14552.51461.08673.26952.24923.32984.23432.73074.3613
H82.14552.51463.26951.08673.32982.24924.23434.36132.7307
H93.27144.20972.20043.31281.08752.25192.73074.36132.7311
H103.27144.20973.31282.20042.25191.08754.36132.73072.7311

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 121.230
N1 C4 C6 107.665 N1 C4 H8 121.230
H2 N1 C3 124.984 H2 N1 C4 124.984
C3 N1 C4 110.031 C3 C5 C6 107.320
C3 C5 H9 125.734 C4 C6 C5 107.320
C4 C6 H10 125.734 C5 C3 H7 131.106
C5 C6 H10 126.946 C6 C4 H8 131.106
C6 C5 H9 126.946
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.081      
2 H 0.100      
3 C 0.038      
4 C 0.038      
5 C -0.056      
6 C -0.056      
7 H 0.017      
8 H 0.017      
9 H -0.009      
10 H -0.009      


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 2.007 2.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.211 0.000 0.000
y 0.000 -26.592 0.000
z 0.000 0.000 -23.260
Traceless
 xyz
x -8.286 0.000 0.000
y 0.000 1.644 0.000
z 0.000 0.000 6.642
Polar
3z2-r213.284
x2-y2-6.620
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.118 0.000 0.000
y 0.000 8.208 0.000
z 0.000 0.000 7.970


<r2> (average value of r2) Å2
<r2> 85.520
(<r2>)1/2 9.248