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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-248.025703
Energy at 298.15K-248.031830
HF Energy-248.025703
Nuclear repulsion energy206.284003
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 HSEh1PBE/6-31+G**
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 3237 3091 5.78      
2 A1 3214 3068 5.29      
3 A1 3193 3048 4.15      
4 A1 1658 1583 24.98      
5 A1 1525 1456 2.47      
6 A1 1252 1196 4.12      
7 A1 1103 1053 6.79      
8 A1 1055 1008 2.56      
9 A1 1019 973 6.57      
10 A1 611 583 3.44      
11 A2 1008 963 0.00      
12 A2 899 859 0.00      
13 A2 382 364 0.00      
14 B1 1018 972 0.00      
15 B1 964 921 0.01      
16 B1 763 729 13.21      
17 B1 718 685 71.24      
18 B1 417 398 3.82      
19 B2 3230 3084 22.53      
20 B2 3191 3046 26.80      
21 B2 1656 1581 11.98      
22 B2 1484 1417 26.45      
23 B2 1385 1322 0.00      
24 B2 1341 1280 0.00      
25 B2 1174 1121 2.23      
26 B2 1089 1040 0.01      
27 B2 669 638 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 19626.8 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 18739.7 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 HSEh1PBE/6-31+G**
ABC
0.20220 0.19448 0.09913

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.412
C2 0.000 0.000 -1.385
C3 0.000 1.140 0.725
C4 0.000 -1.140 0.725
C5 0.000 1.195 -0.671
C6 0.000 -1.195 -0.671
H7 0.000 0.000 -2.467
H8 0.000 2.053 1.307
H9 0.000 -2.053 1.307
H10 0.000 2.148 -1.185
H11 0.000 -2.148 -1.185

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.79751.33071.33072.40162.40163.87902.05552.05553.37003.3700
C22.79752.39892.39891.39211.39211.08143.38553.38552.15702.1570
C31.33072.39892.27961.39772.72053.38961.08233.24502.15993.8022
C41.33072.39892.27962.72051.39773.38963.24501.08233.80222.1599
C52.40161.39211.39772.72052.38982.15692.15603.80261.08243.3818
C62.40161.39212.72051.39772.38982.15693.80262.15603.38181.0824
H73.87901.08143.38963.38962.15692.15694.29584.29582.50112.5011
H82.05553.38551.08233.24502.15603.80264.29584.10552.49354.8838
H92.05553.38553.24501.08233.80262.15604.29584.10554.88382.4935
H103.37002.15702.15993.80221.08243.38182.50112.49354.88384.2953
H113.37002.15703.80222.15993.38181.08242.50114.88382.49354.2953

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.327 N1 C3 H8 116.445
N1 C4 C6 123.327 N1 C4 H9 116.445
C2 C5 C3 118.609 C2 C5 H10 120.797
C2 C6 C4 118.609 C2 C6 H11 120.797
C3 N1 C4 117.864 C3 C5 H10 120.594
C4 C6 H11 120.594 C5 C2 C6 118.263
C5 C2 H7 120.869 C5 C3 H8 120.228
C6 C2 H7 120.869 C6 C4 H9 120.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.129      
2 C -0.389      
3 C -0.318      
4 C -0.318      
5 C 0.177      
6 C 0.177      
7 H 0.166      
8 H 0.153      
9 H 0.153      
10 H 0.163      
11 H 0.163      


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 -2.366 2.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.165 0.000 0.000
y 0.000 -29.196 0.000
z 0.000 0.000 -36.543
Traceless
 xyz
x -5.296 0.000 0.000
y 0.000 8.159 0.000
z 0.000 0.000 -2.863
Polar
3z2-r2-5.725
x2-y2-8.970
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.376 0.000 0.000
y 0.000 10.952 0.000
z 0.000 0.000 10.359


<r2> (average value of r2) Å2
<r2> 121.593
(<r2>)1/2 11.027