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All results from a given calculation for C4H5N (2H-pyrrole)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-210.123717
Energy at 298.15K-210.129853
HF Energy-210.123717
Nuclear repulsion energy159.091708
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 wB97X-D/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 A' 3255 3114 6.76      
2 A' 3231 3090 4.65      
3 A' 3189 3051 24.35      
4 A' 3055 2922 6.00      
5 A' 1688 1615 9.76      
6 A' 1584 1515 12.64      
7 A' 1412 1350 19.51      
8 A' 1383 1323 20.51      
9 A' 1328 1270 0.19      
10 A' 1278 1222 0.12      
11 A' 1123 1074 5.67      
12 A' 1015 971 35.90      
13 A' 1002 959 5.22      
14 A' 946 905 3.57      
15 A' 865 827 10.77      
16 A' 844 808 5.83      
17 A" 3090 2955 5.01      
18 A" 1178 1127 0.40      
19 A" 1009 965 10.86      
20 A" 957 916 6.81      
21 A" 919 879 11.09      
22 A" 704 673 39.96      
23 A" 558 534 2.92      
24 A" 355 339 17.51      

Unscaled Zero Point Vibrational Energy (zpe) 17983.8 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 17201.5 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 wB97X-D/6-311G**
ABC
0.30596 0.28232 0.15092

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.149 0.431 0.000
C2 0.000 1.119 0.000
C3 -1.197 0.218 0.000
C4 -0.591 -1.056 0.000
C5 0.777 -0.871 0.000
H6 -0.095 1.776 0.873
H7 -0.095 1.776 -0.873
H8 -2.215 0.587 0.000
H9 -1.121 -1.994 0.000
H10 1.549 -1.624 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10
N11.33942.35592.28851.35462.02912.02913.36803.32142.0933
C21.33941.49852.25392.13681.09591.09592.27843.30873.1501
C32.35591.49851.41092.25432.09792.09791.08292.21313.3064
C42.28852.25391.41091.37963.00383.00382.31041.07732.2135
C51.35462.13682.25431.37962.92012.92013.32832.20441.0782
H62.02911.09592.09793.00382.92011.74502.58244.00253.8754
H72.02911.09592.09793.00382.92011.74502.58244.00253.8754
H83.36802.27841.08292.31043.32832.58242.58242.80314.3652
H93.32143.30872.21311.07732.20444.00254.00252.80312.6950
H102.09333.15013.30642.21351.07823.87543.87544.36522.6950

picture of 2H-pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 112.103 N1 C2 H6 112.474
N1 C2 H7 112.474 N1 C5 C4 113.648
N1 C5 H10 118.293 C2 N1 C5 104.959
C2 C3 C4 101.516 C2 C3 H8 123.113
C3 C2 H6 106.899 C3 C2 H7 106.899
C3 C4 C5 107.774 C3 C4 H9 125.066
C4 C3 H8 135.371 C4 C5 H10 128.059
C5 C4 H9 127.160 H6 C2 H7 105.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.284      
2 C -0.103      
3 C -0.163      
4 C -0.159      
5 C 0.038      
6 H 0.156      
7 H 0.156      
8 H 0.124      
9 H 0.114      
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
  -2.092 -0.349 0.000 2.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.730 -2.429 0.000
y -2.429 -25.058 0.000
z 0.000 0.000 -30.749
Traceless
 xyz
x -3.826 -2.429 0.000
y -2.429 6.181 0.000
z 0.000 0.000 -2.355
Polar
3z2-r2-4.710
x2-y2-6.672
xy-2.429
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.120 -0.353 0.000
y -0.353 8.615 0.000
z 0.000 0.000 4.102


<r2> (average value of r2) Å2
<r2> 86.667
(<r2>)1/2 9.309