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All results from a given calculation for C5H5NO (4-Pyridinol)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-322.636804
Energy at 298.15K-322.643307
HF Energy-321.616666
Nuclear repulsion energy273.471145
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 MP2/6-311G*
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' 3829 3639 57.50      
2 A' 3243 3082 2.87      
3 A' 3210 3051 12.25      
4 A' 3202 3042 23.17      
5 A' 3193 3035 11.38      
6 A' 1667 1584 100.90      
7 A' 1645 1563 88.23      
8 A' 1538 1462 34.24      
9 A' 1476 1403 16.97      
10 A' 1405 1335 59.35      
11 A' 1385 1317 8.39      
12 A' 1328 1262 47.55      
13 A' 1247 1185 7.84      
14 A' 1228 1167 145.85      
15 A' 1107 1052 2.76      
16 A' 1080 1026 1.66      
17 A' 1011 961 12.62      
18 A' 847 805 43.75      
19 A' 676 642 0.36      
20 A' 524 498 0.44      
21 A' 406 386 11.63      
22 A" 941 894 0.00      
23 A" 915 869 0.96      
24 A" 847 805 4.62      
25 A" 799 759 55.61      
26 A" 701 666 1.45      
27 A" 532 505 25.24      
28 A" 389 369 0.13      
29 A" 363 345 135.70      
30 A" 223 212 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 20476.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 19459.2 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 MP2/6-311G*
ABC
0.19989 0.08722 0.06072

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -1.885 0.000
C2 -1.126 -1.184 0.000
C3 -1.195 0.212 0.000
C4 0.000 0.939 0.000
C5 1.204 0.229 0.000
C6 1.152 -1.164 0.000
O7 0.061 2.296 0.000
H8 -2.044 -1.768 0.000
H9 -2.161 0.714 0.000
H10 2.148 0.764 0.000
H11 2.077 -1.738 0.000
H12 -0.834 2.653 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.34062.42182.82332.42441.34484.18132.06433.39003.39992.06534.6164
C21.34061.39762.40242.72462.27813.67691.08862.16103.80963.25043.8475
C32.42181.39761.39822.39862.72062.43332.15501.08823.38803.80872.4670
C42.82332.40241.39821.39722.39751.35923.39192.17242.15493.38761.9062
C52.42442.72462.39861.39721.39422.36193.81303.39911.08532.15203.1661
C61.34482.27812.72062.39751.39423.62833.25293.80782.17031.08834.3024
O74.18133.67692.43331.35922.36193.62834.57752.72802.58874.50960.9631
H82.06431.08862.15503.39193.81303.25294.57752.48444.89774.12124.5837
H93.39002.16101.08822.17243.39913.80782.72802.48444.30894.89552.3499
H103.39993.80963.38802.15491.08532.17032.58874.89774.30892.50313.5292
H112.06533.25043.80873.38762.15201.08834.50964.12124.89552.50315.2675
H124.61643.84752.46701.90623.16614.30240.96314.58372.34993.52925.2675

picture of 4-Pyridinol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 124.353 N1 C2 H8 115.990
N1 C6 C5 124.531 N1 C6 H11 115.778
C2 N1 C6 116.062 C2 C3 C4 118.470
C2 C3 H9 120.249 C3 C2 H8 119.657
C3 C4 C5 118.197 C3 C4 O7 123.872
C4 C3 H9 121.281 C4 C5 C6 118.387
C4 C5 H10 119.946 C4 O7 H12 109.137
C5 C4 O7 117.931 C5 C6 H11 119.690
C6 C5 H10 121.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability