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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-208.883158
Energy at 298.15K-208.889538
HF Energy-208.883158
Nuclear repulsion energy162.622801
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/6-311+G(3df,2p)
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 965 877 0.76 0.80 0.72 0.83
2 A1 1097 997 27.07 1.08 0.75 0.86
3 A1 1147 1042 27.53 0.94 0.13 0.23
4 A1 1252 1137 2.10 54.71 0.06 0.12
5 A1 1524 1384 6.85 78.98 0.23 0.38
6 A1 1628 1479 15.39 32.61 0.09 0.17
7 A1 3388 3078 4.25 26.01 0.60 0.75
8 A1 3411 3099 0.13 188.16 0.15 0.26
9 A1 3923 3564 94.51 82.07 0.22 0.35
10 A2 673 612 0.00 0.09 0.75 0.86
11 A2 814 739 0.00 5.06 0.75 0.86
12 A2 1007 915 0.00 1.13 0.75 0.86
13 B1 508 462 96.18 0.00 0.75 0.86
14 B1 681 619 0.46 0.53 0.75 0.86
15 B1 827 751 175.26 0.16 0.75 0.86
16 B1 982 892 0.12 4.13 0.75 0.86
17 B2 941 855 3.11 2.93 0.75 0.86
18 B2 1152 1047 20.29 3.53 0.75 0.86
19 B2 1237 1124 0.85 2.62 0.75 0.86
20 B2 1428 1298 0.63 0.58 0.75 0.86
21 B2 1567 1424 8.79 5.81 0.75 0.86
22 B2 1716 1559 3.95 0.88 0.75 0.86
23 B2 3376 3067 3.59 86.39 0.75 0.86
24 B2 3404 3093 5.19 3.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19323.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 17557.5 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 HF/6-311+G(3df,2p)
ABC
0.31073 0.30828 0.15475

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.111
H2 0.000 0.000 2.100
C3 0.000 1.110 0.326
C4 0.000 -1.110 0.326
C5 0.000 0.712 -0.970
C6 0.000 -0.712 -0.970
H7 0.000 2.089 0.752
H8 0.000 -2.089 0.752
H9 0.000 1.356 -1.824
H10 0.000 -1.356 -1.824

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N10.98891.35941.35942.19922.19922.12012.12013.23213.2321
H20.98892.09242.09243.15113.15112.48662.48664.15074.1507
C31.35942.09242.21981.35532.23601.06813.22762.16333.2707
C41.35942.09242.21982.23601.35533.22761.06813.27072.1633
C52.19923.15111.35532.23601.42492.20453.28851.06872.2372
C62.19923.15112.23601.35531.42493.28852.20452.23721.0687
H72.12012.48661.06813.22762.20453.28854.17892.67764.3010
H82.12012.48663.22761.06813.28852.20454.17894.30102.6776
H93.23214.15072.16333.27071.06872.23722.67764.30102.7111
H103.23214.15073.27072.16332.23721.06874.30102.67762.7111

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 108.214 N1 C3 H7 121.241
N1 C4 C6 108.214 N1 C4 H8 121.241
H2 N1 C3 125.266 H2 N1 C4 125.266
C3 N1 C4 109.467 C3 C5 C6 107.053
C3 C5 H9 125.954 C4 C6 C5 107.053
C4 C6 H10 125.954 C5 C3 H7 130.545
C5 C6 H10 126.994 C6 C4 H8 130.545
C6 C5 H9 126.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -1.010      
2 H 0.161      
3 C 0.111      
4 C 0.111      
5 C 0.019      
6 C 0.019      
7 H 0.149      
8 H 0.149      
9 H 0.146      
10 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.859 1.859
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.700 0.000 0.000
y 0.000 -27.052 0.000
z 0.000 0.000 -23.931
Traceless
 xyz
x -9.208 0.000 0.000
y 0.000 2.263 0.000
z 0.000 0.000 6.945
Polar
3z2-r213.889
x2-y2-7.648
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.606 0.000 0.000
y 0.000 8.643 0.000
z 0.000 0.000 8.521


<r2> (average value of r2) Å2
<r2> 84.505
(<r2>)1/2 9.193