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All results from a given calculation for C4H4N2O2 (Uracil)

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-414.682324
Energy at 298.15K-414.689194
HF Energy-414.682324
Nuclear repulsion energy354.757042
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 B97D3/6-311G**
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' 3589 3538 82.74      
2 A' 3545 3495 46.78      
3 A' 3197 3151 0.36      
4 A' 3149 3104 7.15      
5 A' 1784 1758 564.58      
6 A' 1740 1715 537.63      
7 A' 1633 1610 58.36      
8 A' 1467 1446 67.63      
9 A' 1387 1367 3.87      
10 A' 1368 1348 55.19      
11 A' 1342 1323 94.86      
12 A' 1202 1184 24.67      
13 A' 1145 1129 71.75      
14 A' 1059 1044 4.37      
15 A' 968 955 5.58      
16 A' 937 923 9.50      
17 A' 750 739 2.42      
18 A' 546 539 3.08      
19 A' 528 520 9.01      
20 A' 509 502 17.73      
21 A' 377 371 17.59      
22 A" 930 917 0.37      
23 A" 791 779 61.18      
24 A" 739 729 34.10      
25 A" 710 700 16.99      
26 A" 673 663 69.97      
27 A" 553 545 38.34      
28 A" 381 376 25.58      
29 A" 160 158 0.16      
30 A" 138 136 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 18647.7 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 18381.1 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 B97D3/6-311G**
ABC
0.12883 0.06637 0.04380

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.291 0.390 0.000
C2 1.243 -1.069 0.000
N3 0.000 0.989 0.000
C4 0.050 -1.712 0.000
O5 2.293 1.084 0.000
N6 -1.143 -1.028 0.000
C7 -1.243 0.371 0.000
O8 -2.310 0.955 0.000
H9 2.181 -1.609 0.000
H10 -0.018 2.003 0.000
H11 -0.034 -2.795 0.000
H12 -2.027 -1.518 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 O5 N6 C7 O8 H9 H10 H11 H12
C11.45961.42292.44041.22012.81682.53403.64502.18842.07753.44953.8271
C21.45962.40431.35502.39622.38662.87344.08941.08273.32092.14733.3006
N31.42292.40432.70142.29542.31881.38842.31063.39251.01423.78453.2243
C42.44041.35502.70143.58511.37532.45203.56152.13363.71551.08672.0859
O51.22012.39622.29543.58514.03433.60804.60552.69622.48744.52455.0439
N62.81682.38662.31881.37534.03431.40312.30133.37493.23342.08631.0104
C72.53402.87341.38842.45203.60801.40311.21633.95602.04053.38952.0457
O83.64504.08942.31063.56154.60552.30131.21635.17212.52024.38712.4899
H92.18841.08273.39252.13362.69623.37493.95605.17214.22932.51294.2091
H102.07753.32091.01423.71552.48743.23342.04052.52024.22934.79844.0541
H113.44952.14733.78451.08674.52452.08633.38954.38712.51294.79842.3667
H123.82713.30063.22432.08595.04391.01042.04572.48994.20914.05412.3667

picture of Uracil state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 120.230 C1 C2 H9 117.649
C1 N3 C7 128.146 C1 N3 H10 116.650
C2 C1 N3 113.404 C2 C1 O5 125.949
C2 C4 N6 121.497 C2 C4 H11 123.059
N3 C1 O5 120.647 N3 C7 N6 112.922
N3 C7 O8 124.360 C4 C2 H9 122.121
C4 N6 C7 123.801 C4 N6 H12 121.411
N6 C4 H11 115.444 N6 C7 O8 122.718
C7 N3 H10 115.204 C7 N6 H12 114.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.403      
2 C -0.293      
3 N -0.435      
4 C 0.177      
5 O -0.332      
6 N -0.400      
7 C 0.474      
8 O -0.340      
9 H 0.119      
10 H 0.251      
11 H 0.126      
12 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.220 -3.991 0.000 4.173
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.162 1.780 0.000
y 1.780 -37.663 0.000
z 0.000 0.000 -45.689
Traceless
 xyz
x -14.487 1.780 0.000
y 1.780 13.263 0.000
z 0.000 0.000 1.224
Polar
3z2-r22.447
x2-y2-18.500
xy1.780
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.560 0.363 0.000
y 0.363 10.124 0.000
z 0.000 0.000 4.285


<r2> (average value of r2) Å2
<r2> 234.253
(<r2>)1/2 15.305