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All results from a given calculation for C4H5N (3H-pyrrole)

using model chemistry: TPSSh/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G*
 hartrees
Energy at 0K-210.158453
Energy at 298.15K-210.164447
HF Energy-210.158453
Nuclear repulsion energy158.328297
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 TPSSh/6-31G*
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' 3264 3132 15.30      
2 A' 3238 3107 8.34      
3 A' 3201 3071 19.04      
4 A' 3039 2915 5.00      
5 A' 1640 1574 16.41      
6 A' 1580 1516 8.42      
7 A' 1443 1385 14.18      
8 A' 1371 1315 16.20      
9 A' 1312 1259 4.55      
10 A' 1278 1226 10.42      
11 A' 1148 1101 3.48      
12 A' 1030 988 6.16      
13 A' 976 936 14.62      
14 A' 948 909 7.52      
15 A' 846 812 0.70      
16 A' 830 797 3.85      
17 A" 3071 2946 6.12      
18 A" 1129 1083 0.00      
19 A" 956 917 9.45      
20 A" 941 903 5.30      
21 A" 768 737 0.01      
22 A" 713 684 31.24      
23 A" 526 505 11.77      
24 A" 343 329 4.62      

Unscaled Zero Point Vibrational Energy (zpe) 17795.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 17072.6 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 TPSSh/6-31G*
ABC
0.29768 0.28428 0.14944

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.139 0.559 0.000
C2 0.000 1.161 0.000
C3 -1.190 0.228 0.000
C4 -0.479 -1.099 0.000
C5 0.844 -0.841 0.000
H6 -0.075 2.247 0.000
H7 -1.828 0.379 0.882
H8 -1.828 0.379 -0.882
H9 -0.965 -2.067 0.000
H10 1.670 -1.542 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10
N11.28872.35232.31641.43072.07983.10043.10043.36482.1672
C21.28871.51192.30982.17251.08882.17472.17473.36883.1778
C32.35231.51191.50472.29702.30661.09931.09932.30533.3635
C42.31642.30981.50471.34753.37012.18662.18661.08322.1948
C51.43072.17252.29701.34753.22203.06643.06642.18501.0842
H62.07981.08882.30663.37013.22202.70892.70894.40474.1722
H73.10042.17471.09932.18663.06642.70891.76462.73954.0875
H83.10042.17471.09932.18663.06642.70891.76462.73954.0875
H93.36483.36882.30531.08322.18504.40472.73952.73952.6873
H102.16723.17783.36352.19481.08424.17224.08754.08752.6873

picture of 3H-pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.024 N1 C2 H6 121.816
N1 C5 C4 112.946 N1 C5 H10 118.377
C2 N1 C5 105.934 C2 C3 C4 99.938
C2 C3 H7 111.806 C2 C3 H8 111.806
C3 C2 H6 124.160 C3 C4 C5 107.159
C3 C4 H9 125.153 C4 C3 H7 113.305
C4 C3 H8 113.305 C4 C5 H10 128.677
C5 C4 H9 127.688 H7 C3 H8 106.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.381      
2 C 0.059      
3 C -0.406      
4 C -0.171      
5 C 0.003      
6 H 0.168      
7 H 0.200      
8 H 0.200      
9 H 0.165      
10 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.408 -0.433 0.000 2.447
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.696 -0.254 0.000
y -0.254 7.501 0.000
z 0.000 0.000 3.566


<r2> (average value of r2) Å2
<r2> 87.179
(<r2>)1/2 9.337