return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H5NO (4(3H)-Pryidinone)

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-319.936764
Energy at 298.15K-319.942870
Nuclear repulsion energy271.293097
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 LSDA/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 3156 3100 2.06      
2 A 3119 3063 10.18      
3 A 3052 2997 15.99      
4 A 3023 2969 2.47      
5 A 2935 2882 6.33      
6 A 1708 1677 140.36      
7 A 1626 1596 56.83      
8 A 1574 1545 32.22      
9 A 1394 1369 14.37      
10 A 1372 1347 0.65      
11 A 1367 1342 79.53      
12 A 1276 1253 20.70      
13 A 1219 1197 6.69      
14 A 1196 1175 36.87      
15 A 1179 1158 6.44      
16 A 1025 1006 0.70      
17 A 997 979 0.68      
18 A 979 961 14.19      
19 A 964 947 6.42      
20 A 903 887 14.95      
21 A 835 820 5.98      
22 A 798 784 36.51      
23 A 761 748 5.81      
24 A 621 610 0.94      
25 A 546 536 7.97      
26 A 477 469 7.38      
27 A 432 424 7.39      
28 A 421 413 1.30      
29 A 236 232 0.63      
30 A 57 56 14.46      

Unscaled Zero Point Vibrational Energy (zpe) 19623.3 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 19270.0 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 LSDA/3-21G*
ABC
0.18400 0.08920 0.06100

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.840 0.047 -0.077
C2 -1.217 -1.084 -0.055
C3 0.250 -1.247 0.109
C4 1.073 0.025 0.001
C5 0.285 1.246 0.058
C6 -1.064 1.216 0.025
O7 2.308 0.008 -0.102
H8 -1.817 -2.000 -0.155
H9 0.654 -2.017 -0.576
H10 0.834 2.190 0.078
H11 -1.647 2.143 0.048
H12 0.432 -1.654 1.132

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.29142.46502.91392.44261.40614.14772.04953.27573.42982.10783.0855
C21.29141.48532.54532.77382.30643.69031.10042.15503.86573.25672.1108
C32.46501.48531.51892.49302.79292.41932.21651.10723.48643.88491.1161
C42.91392.54531.51891.45412.44711.23903.53322.16282.17963.44792.1241
C52.44262.77382.49301.45411.34982.37723.87323.34401.09302.13023.0959
C61.40612.30642.79292.44711.34983.58443.30853.71042.13431.09503.4214
O74.14773.69032.41931.23902.37723.58444.58852.65662.63964.49712.7936
H82.04951.10042.21653.53323.87323.30854.58852.50754.96464.15162.6150
H93.27572.15501.10722.16283.34403.71042.65662.50754.26144.79471.7600
H103.42983.86573.48642.17961.09302.13432.63964.96464.26142.48204.0069
H112.10783.25673.88493.44792.13021.09504.49714.15164.79472.48204.4631
H123.08552.11081.11612.12413.09593.42142.79362.61501.76004.00694.4631

picture of 4(3H)-Pryidinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 125.038 N1 C2 H8 117.720
N1 C6 C5 124.817 N1 C6 H11 114.284
C2 N1 C6 117.454 C2 C3 C4 115.823
C2 C3 H9 111.627 C2 C3 H12 107.624
C3 C2 H8 117.238 C3 C4 C5 113.957
C3 C4 O7 122.293 C4 C3 H9 109.902
C4 C3 H12 106.430 C4 C5 C6 121.513
C4 C5 H10 116.972 C5 C4 O7 123.737
C5 C6 H11 120.876 C6 C5 H10 121.440
H9 C3 H12 104.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.436      
2 C 0.066      
3 C -0.613      
4 C 0.367      
5 C -0.235      
6 C -0.045      
7 O -0.411      
8 H 0.242      
9 H 0.283      
10 H 0.234      
11 H 0.247      
12 H 0.301      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.090 -0.875 0.535 1.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.609 0.129 0.277
y 0.129 -32.005 -0.132
z 0.277 -0.132 -40.332
Traceless
 xyz
x -15.440 0.129 0.277
y 0.129 13.965 -0.132
z 0.277 -0.132 1.475
Polar
3z2-r22.951
x2-y2-19.604
xy0.129
xz0.277
yz-0.132


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.142 0.178 -0.004
y 0.178 9.575 0.072
z -0.004 0.072 3.629


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000