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All results from a given calculation for C4H4N2O2 (Uracil)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-414.564538
Energy at 298.15K-414.571328
HF Energy-414.564538
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3578 3508 77.38      
2 A' 3538 3469 45.01      
3 A' 3213 3150 0.52      
4 A' 3167 3105 8.50      
5 A' 1802 1767 513.12      
6 A' 1760 1725 496.30      
7 A' 1648 1615 57.59      
8 A' 1477 1448 71.02      
9 A' 1398 1370 3.62      
10 A' 1374 1347 76.02      
11 A' 1353 1327 66.51      
12 A' 1213 1189 18.21      
13 A' 1159 1137 68.89      
14 A' 1069 1048 4.82      
15 A' 970 951 4.99      
16 A' 942 924 8.04      
17 A' 754 739 2.00      
18 A' 544 533 4.03      
19 A' 527 516 6.90      
20 A' 508 498 17.58      
21 A' 373 366 17.89      
22 A" 924 905 0.34      
23 A" 784 769 57.09      
24 A" 721 707 50.36      
25 A" 707 693 16.13      
26 A" 674 661 78.28      
27 A" 545 535 43.52      
28 A" 378 371 27.72      
29 A" 162 159 0.46      
30 A" 136 134 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 18697.7 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 18331.3 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 B97D3/6-31G*
ABC
0.12835 0.06607 0.04362

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.292 0.390 0.000
C2 1.246 -1.070 0.000
N3 0.000 0.989 0.000
C4 0.051 -1.716 0.000
O5 2.299 1.090 0.000
N6 -1.144 -1.030 0.000
C7 -1.245 0.370 0.000
O8 -2.318 0.957 0.000
H9 2.186 -1.612 0.000
H10 -0.018 2.005 0.000
H11 -0.037 -2.801 0.000
H12 -2.031 -1.520 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 O5 N6 C7 O8 H9 H10 H11 H12
C11.46081.42382.44421.22622.81952.53673.65382.19262.07993.45653.8325
C21.46082.40641.35852.40292.39012.87724.09961.08523.32522.15423.3073
N31.42382.40642.70482.30092.32041.38992.31803.39751.01683.78993.2279
C42.44421.35852.70483.59511.37722.45543.57062.13803.72151.08892.0904
O51.22622.40292.30093.59514.04303.61584.61842.70422.49144.53795.0554
N62.81952.39012.32041.37724.04301.40412.30753.38053.23732.08861.0132
C72.53672.87721.38992.45543.61581.40411.22273.96242.04373.39372.0476
O83.65384.09962.31803.57064.61842.30751.22275.18482.52724.39572.4935
H92.19261.08523.39752.13802.70423.38053.96245.18484.23622.52074.2177
H102.07993.32521.01683.72152.49143.23732.04372.52724.23624.80634.0595
H113.45652.15423.78991.08894.53792.08863.39374.39572.52074.80632.3698
H123.83253.30733.22792.09045.05541.01322.04762.49354.21774.05952.3698

picture of Uracil state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 120.246 C1 C2 H9 117.692
C1 N3 C7 128.266 C1 N3 H10 116.586
C2 C1 N3 113.331 C2 C1 O5 126.001
C2 C4 N6 121.444 C2 C4 H11 123.203
N3 C1 O5 120.667 N3 C7 N6 112.830
N3 C7 O8 124.442 C4 C2 H9 122.062
C4 N6 C7 123.882 C4 N6 H12 121.403
N6 C4 H11 115.353 N6 C7 O8 122.728
C7 N3 H10 115.148 C7 N6 H12 114.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.610      
2 C -0.252      
3 N -0.679      
4 C 0.103      
5 O -0.486      
6 N -0.625      
7 C 0.752      
8 O -0.482      
9 H 0.171      
10 H 0.354      
11 H 0.181      
12 H 0.355      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.205 -3.986 0.000 4.164
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.334 1.724 0.000
y 1.724 -36.957 0.000
z 0.000 0.000 -45.185
Traceless
 xyz
x -14.263 1.724 0.000
y 1.724 13.302 0.000
z 0.000 0.000 0.961
Polar
3z2-r21.922
x2-y2-18.376
xy1.724
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.211 0.368 0.000
y 0.368 9.744 0.000
z 0.000 0.000 3.542


<r2> (average value of r2) Å2
<r2> 234.708
(<r2>)1/2 15.320