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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-210.198168
Energy at 298.15K 
HF Energy-210.198168
Nuclear repulsion energy160.390182
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/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 3667 3559 65.46      
2 A1 3273 3176 0.02      
3 A1 3251 3155 2.78      
4 A1 1494 1450 10.85      
5 A1 1418 1376 2.61      
6 A1 1172 1137 2.58      
7 A1 1085 1053 7.76      
8 A1 1028 998 31.01      
9 A1 894 868 0.22      
10 A2 863 838 0.00      
11 A2 694 674 0.00      
12 A2 626 608 0.00      
13 B1 828 804 0.00      
14 B1 727 706 167.44      
15 B1 640 621 0.01      
16 B1 515 500 68.34      
17 B2 3268 3171 1.93      
18 B2 3239 3143 2.79      
19 B2 1569 1522 1.27      
20 B2 1453 1410 5.70      
21 B2 1300 1262 1.31      
22 B2 1149 1115 2.68      
23 B2 1060 1028 26.24      
24 B2 873 847 1.46      

Unscaled Zero Point Vibrational Energy (zpe) 18043.1 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 17509.0 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 B3LYP/aug-cc-pVDZ
ABC
0.30338 0.29910 0.15061

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.123
H2 0.000 0.000 2.131
C3 0.000 1.127 0.334
C4 0.000 -1.127 0.334
C5 0.000 0.714 -0.986
C6 0.000 -0.714 -0.986
H7 0.000 2.120 0.769
H8 0.000 -2.120 0.769
H9 0.000 1.366 -1.854
H10 0.000 -1.366 -1.854

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00811.37641.37642.22672.22672.14972.14973.27563.2756
H21.00812.12202.12203.19803.19802.52012.52014.21294.2129
C31.37642.12202.25481.38262.26541.08433.27682.20043.3170
C41.37642.12202.25482.26541.38263.27681.08433.31702.2004
C52.22673.19801.38262.26541.42822.24903.33381.08572.2541
C62.22673.19802.26541.38261.42823.33382.24902.25411.0857
H72.14972.52011.08433.27682.24903.33384.24062.72944.3631
H82.14972.52013.27681.08433.33382.24904.24064.36312.7294
H93.27564.21292.20043.31701.08572.25412.72944.36312.7323
H103.27564.21293.31702.20042.25411.08574.36312.72942.7323

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.617 N1 C3 H7 121.299
N1 C4 C6 107.617 N1 C4 H8 121.299
H2 N1 C3 125.009 H2 N1 C4 125.009
C3 N1 C4 109.982 C3 C5 C6 107.392
C3 C5 H9 125.694 C4 C6 C5 107.392
C4 C6 H10 125.694 C5 C3 H7 131.084
C5 C6 H10 126.914 C6 C4 H8 131.084
C6 C5 H9 126.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.013      
2 H -0.184      
3 C 0.220      
4 C 0.220      
5 C 1.022      
6 C 1.022      
7 H -0.558      
8 H -0.558      
9 H -0.600      
10 H -0.600      


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 1.842 1.842
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.315 0.000 0.000
y 0.000 -27.542 0.000
z 0.000 0.000 -24.347
Traceless
 xyz
x -8.371 0.000 0.000
y 0.000 1.790 0.000
z 0.000 0.000 6.581
Polar
3z2-r213.162
x2-y2-6.774
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.832 0.000 0.000
y 0.000 9.603 0.000
z 0.000 0.000 9.196


<r2> (average value of r2) Å2
<r2> 86.472
(<r2>)1/2 9.299