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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-209.456128
Energy at 298.15K-209.462143
HF Energy-208.787854
Nuclear repulsion energy158.316347
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 MP2/6-31G*
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' 3306 3118 7.00      
2 A' 3282 3095 4.00      
3 A' 3247 3062 10.60      
4 A' 3097 2920 0.84      
5 A' 1627 1534 7.76      
6 A' 1578 1488 8.03      
7 A' 1469 1385 17.81      
8 A' 1388 1309 16.74      
9 A' 1327 1251 6.82      
10 A' 1304 1230 9.14      
11 A' 1164 1097 2.74      
12 A' 1048 989 4.12      
13 A' 1003 945 12.89      
14 A' 977 922 8.14      
15 A' 858 809 0.72      
16 A' 844 796 3.58      
17 A" 3145 2965 1.76      
18 A" 1145 1080 0.00      
19 A" 973 917 11.77      
20 A" 905 853 1.51      
21 A" 774 730 0.45      
22 A" 717 676 36.31      
23 A" 526 496 12.53      
24 A" 337 318 4.34      

Unscaled Zero Point Vibrational Energy (zpe) 18019.1 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 16992.0 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 MP2/6-31G*
ABC
0.29736 0.28475 0.14951

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.144 0.554 0.000
C2 0.000 1.160 0.000
C3 -1.188 0.232 0.000
C4 -0.484 -1.093 0.000
C5 0.843 -0.846 0.000
H6 -0.074 2.246 0.000
H7 -1.822 0.385 0.883
H8 -1.822 0.385 -0.883
H9 -0.974 -2.059 0.000
H10 1.664 -1.554 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10
N11.29422.35332.31531.43112.08493.09923.09923.36312.1706
C21.29421.50702.30402.17521.08902.16842.16843.36313.1832
C32.35331.50701.50012.29902.30151.09821.09822.30143.3652
C42.31532.30401.50011.35013.36412.18012.18011.08342.1978
C51.43112.17522.29901.35013.22483.06543.06542.18491.0846
H62.08491.08902.30153.36413.22482.70242.70244.39854.1785
H73.09922.16841.09822.18013.06542.70241.76642.73364.0859
H83.09922.16841.09822.18013.06542.70241.76642.73364.0859
H93.36313.36312.30141.08342.18494.39852.73362.73362.6864
H102.17063.18323.36522.19781.08464.17854.08594.08592.6864

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 114.088 N1 C2 H6 121.812
N1 C5 C4 112.676 N1 C5 H10 118.628
C2 N1 C5 105.801 C2 C3 C4 100.023
C2 C3 H7 111.718 C2 C3 H8 111.718
C3 C2 H6 124.100 C3 C4 C5 107.412
C3 C4 H9 125.178 C4 C3 H7 113.172
C4 C3 H8 113.172 C4 C5 H10 128.696
C5 C4 H9 127.410 H7 C3 H8 107.080
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability