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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-206.520048
Energy at 298.15K-206.525878
HF Energy-206.220351
Nuclear repulsion energy158.062561
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=FULL/STO-3G
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 3874 3444 60.00      
2 A1 3589 3190 1.43      
3 A1 3561 3165 8.57      
4 A1 1644 1462 12.73      
5 A1 1524 1354 16.24      
6 A1 1230 1094 3.66      
7 A1 1170 1040 6.19      
8 A1 1110 987 4.49      
9 A1 932 829 0.01      
10 A2 953 847 0.00      
11 A2 767 682 0.00      
12 A2 660 587 0.00      
13 B1 918 816 1.04      
14 B1 787 700 34.12      
15 B1 665 591 9.02      
16 B1 400 355 65.52      
17 B2 3577 3179 11.31      
18 B2 3553 3158 1.46      
19 B2 1692 1504 1.88      
20 B2 1618 1438 14.40      
21 B2 1402 1246 2.16      
22 B2 1220 1084 0.73      
23 B2 1141 1014 5.89      
24 B2 921 818 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 19453.6 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 17292.3 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=FULL/STO-3G
ABC
0.29424 0.29117 0.14635

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.145
H2 0.000 0.000 2.186
C3 0.000 1.148 0.330
C4 0.000 -1.148 0.330
C5 0.000 0.722 -0.996
C6 0.000 -0.722 -0.996
H7 0.000 2.150 0.775
H8 0.000 -2.150 0.775
H9 0.000 1.374 -1.875
H10 0.000 -1.374 -1.875

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.04121.40801.40802.25942.25942.18142.18143.31783.3178
H21.04122.18242.18243.26313.26312.57152.57154.28734.2873
C31.40802.18242.29691.39322.29311.09583.32822.21683.3507
C41.40802.18242.29692.29311.39323.32821.09583.35072.2168
C52.25943.26311.39322.29311.44422.27513.37431.09452.2732
C62.25943.26312.29311.39321.44423.37432.27512.27321.0945
H72.18142.57151.09583.32822.27513.37434.29982.76134.4095
H82.18142.57153.32821.09583.37432.27514.29984.40952.7613
H93.31784.28732.21683.35071.09452.27322.76134.40952.7487
H103.31784.28733.35072.21682.27321.09454.40952.76132.7487

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.528 N1 C3 H7 120.695
N1 C4 C6 107.528 N1 C4 H8 120.695
H2 N1 C3 125.348 H2 N1 C4 125.348
C3 N1 C4 109.305 C3 C5 C6 107.820
C3 C5 H9 125.599 C4 C6 C5 107.820
C4 C6 H10 125.599 C5 C3 H7 131.777
C5 C6 H10 126.581 C6 C4 H8 131.777
C6 C5 H9 126.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability