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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-208.873077
Energy at 298.15K-208.879451
HF Energy-208.873077
Nuclear repulsion energy160.109324
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3383 3067 7.30      
2 A' 3358 3044 6.81      
3 A' 3314 3004 29.61      
4 A' 3176 2879 20.34      
5 A' 1829 1658 23.90      
6 A' 1718 1557 15.29      
7 A' 1558 1412 6.25      
8 A' 1491 1352 29.28      
9 A' 1450 1314 2.71      
10 A' 1399 1268 0.19      
11 A' 1209 1096 5.54      
12 A' 1071 971 47.37      
13 A' 1050 952 2.73      
14 A' 990 898 0.69      
15 A' 918 832 12.47      
16 A' 894 810 5.01      
17 A" 3202 2903 12.31      
18 A" 1284 1163 0.38      
19 A" 1121 1016 10.90      
20 A" 1059 960 5.99      
21 A" 1028 932 17.68      
22 A" 777 704 44.97      
23 A" 588 533 3.75      
24 A" 398 360 12.32      

Unscaled Zero Point Vibrational Energy (zpe) 19131.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 17340.9 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 HF/Def2TZVPP
ABC
0.30964 0.28513 0.15256

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.138 0.430 0.000
C2 0.000 1.119 0.000
C3 -1.190 0.214 0.000
C4 -0.586 -1.057 0.000
C5 0.775 -0.863 0.000
H6 -0.097 1.768 0.869
H7 -0.097 1.768 -0.869
H8 -2.202 0.582 0.000
H9 -1.107 -1.992 0.000
H10 1.545 -1.608 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10
N11.33032.33842.27671.34352.01752.01753.34353.30252.0781
C21.33031.49542.25372.12841.08881.08882.26653.30213.1339
C32.33841.49541.40752.24102.08952.08951.07682.20743.2860
C42.27672.25371.40751.37432.99602.99602.30251.07032.2002
C51.34352.12842.24101.37432.90512.90513.30942.19441.0708
H62.01751.08882.08952.99602.90511.73762.56743.98913.8531
H72.01751.08882.08952.99602.90511.73762.56743.98913.8531
H83.34352.26651.07682.30253.30942.56742.56742.79774.3399
H93.30253.30212.20741.07032.19443.98913.98912.79772.6792
H102.07813.13393.28602.20021.07083.85313.85314.33992.6792

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 111.560 N1 C2 H6 112.639
N1 C2 H7 112.639 N1 C5 C4 113.794
N1 C5 H10 118.364 C2 N1 C5 105.505
C2 C3 C4 101.812 C2 C3 H8 122.723
C3 C2 H6 106.853 C3 C2 H7 106.853
C3 C4 C5 107.329 C3 C4 H9 125.411
C4 C3 H8 135.464 C4 C5 H10 127.842
C5 C4 H9 127.260 H6 C2 H7 105.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.370      
2 C 0.180      
3 C -0.171      
4 C -0.096      
5 C 0.059      
6 H 0.057      
7 H 0.057      
8 H 0.095      
9 H 0.112      
10 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.010 1.020 0.000 2.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.847 3.195 0.000
y 3.195 -25.813 0.000
z 0.000 0.000 -31.310
Traceless
 xyz
x -3.285 3.195 0.000
y 3.195 5.765 0.000
z 0.000 0.000 -2.480
Polar
3z2-r2-4.960
x2-y2-6.033
xy3.195
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.554 0.715 0.000
y 0.715 8.369 0.000
z 0.000 0.000 4.928


<r2> (average value of r2) Å2
<r2> 86.198
(<r2>)1/2 9.284