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All results from a given calculation for C5H5NO (4(1H)-Pryidinone)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-320.413056
Energy at 298.15K-320.419676
HF Energy-319.746981
Nuclear repulsion energy270.392094
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 MP2/3-21G
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' 3583 3420 110.17      
2 A' 3246 3098 0.45      
3 A' 3243 3095 8.94      
4 A' 3218 3072 6.28      
5 A' 3217 3071 5.02      
6 A' 1691 1614 193.18      
7 A' 1630 1556 11.44      
8 A' 1613 1540 9.14      
9 A' 1512 1443 103.10      
10 A' 1454 1388 1.95      
11 A' 1438 1373 2.03      
12 A' 1297 1238 7.39      
13 A' 1258 1200 12.41      
14 A' 1251 1194 14.93      
15 A' 1050 1002 1.82      
16 A' 1037 990 10.81      
17 A' 989 944 40.17      
18 A' 786 750 6.15      
19 A' 635 606 1.50      
20 A' 531 507 5.28      
21 A' 440 420 3.14      
22 A" 979 935 0.00      
23 A" 969 924 0.59      
24 A" 874 834 80.69      
25 A" 826 788 0.00      
26 A" 733 700 9.01      
27 A" 560 534 103.68      
28 A" 466 445 72.76      
29 A" 434 414 0.00      
30 A" 167 159 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 20562.4 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 19626.8 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 MP2/3-21G
ABC
0.18797 0.08711 0.05952

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.760 0.000 0.000
C2 1.060 -1.204 0.000
C3 -0.303 -1.231 0.000
C4 -1.125 0.000 0.000
C5 -0.303 1.231 0.000
C6 1.060 1.204 0.000
O7 -2.389 0.000 0.000
H8 1.665 -2.105 0.000
H9 -0.819 -2.185 0.000
H10 -0.819 2.185 0.000
H11 1.665 2.105 0.000
H12 2.774 0.000 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.39212.40222.88462.40221.39214.14892.10673.37943.37942.10671.0142
C21.39211.36372.49472.79042.40733.65351.08522.11953.87453.36302.0940
C32.40221.36371.48002.46192.79042.42222.15361.08423.45453.87303.3141
C42.88462.49471.48001.48002.49471.26433.49492.20632.20633.49493.8987
C52.40222.79042.46191.48001.36372.42223.87303.45451.08422.15363.3141
C61.39212.40732.79042.49471.36373.65353.36303.87452.11951.08522.0940
O74.14893.65352.42221.26432.42223.65354.56822.69102.69104.56825.1631
H82.10671.08522.15363.49493.87303.36304.56822.48504.95664.20912.3787
H93.37942.11951.08422.20633.45453.87452.69102.48504.36994.95664.2045
H103.37943.87453.45452.20631.08422.11952.69104.95664.36992.48504.2045
H112.10673.36303.87303.49492.15361.08524.56824.20914.95662.48502.3787
H121.01422.09403.31413.89873.31412.09405.16312.37874.20454.20452.3787

picture of 4(1H)-Pryidinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 121.308 N1 C2 H8 115.958
N1 C6 C5 121.308 N1 C6 H11 115.958
C2 N1 C6 119.679 C2 N1 H12 120.160
C2 C3 C4 122.578 C2 C3 H9 119.520
C3 C2 H8 122.734 C3 C4 C5 112.549
C3 C4 O7 123.725 C4 C3 H9 117.902
C4 C5 C6 122.578 C4 C5 H10 117.902
C5 C4 O7 123.725 C5 C6 H11 122.734
C6 N1 H12 120.160 C6 C5 H10 119.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.936      
2 C 0.183      
3 C -0.384      
4 C 0.531      
5 C -0.384      
6 C 0.183      
7 O -0.648      
8 H 0.276      
9 H 0.262      
10 H 0.262      
11 H 0.276      
12 H 0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  7.312 0.000 0.000 7.312
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.763 0.000 0.000
y 0.000 -33.599 0.000
z 0.000 0.000 -44.270
Traceless
 xyz
x -3.828 0.000 0.000
y 0.000 9.917 0.000
z 0.000 0.000 -6.089
Polar
3z2-r2-12.179
x2-y2-9.163
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.780 0.000 0.000
y 0.000 8.494 0.000
z 0.000 0.000 2.321


<r2> (average value of r2) Å2
<r2> 183.197
(<r2>)1/2 13.535