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All results from a given calculation for C4H4N2O2 (Uracil)

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-414.717368
Energy at 298.15K-414.724185
HF Energy-414.717368
Nuclear repulsion energy355.049050
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/TZVP
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' 3585 3533 89.57      
2 A' 3542 3491 52.12      
3 A' 3200 3154 0.48      
4 A' 3153 3108 4.99      
5 A' 1765 1740 581.41      
6 A' 1725 1700 620.67      
7 A' 1632 1608 60.60      
8 A' 1464 1443 63.97      
9 A' 1392 1372 2.37      
10 A' 1370 1350 42.90      
11 A' 1342 1322 120.30      
12 A' 1208 1190 27.58      
13 A' 1143 1127 80.23      
14 A' 1059 1044 3.57      
15 A' 969 955 6.22      
16 A' 936 923 12.68      
17 A' 750 739 3.09      
18 A' 547 539 3.02      
19 A' 530 522 10.23      
20 A' 512 505 18.69      
21 A' 377 372 17.22      
22 A" 914 901 0.86      
23 A" 775 764 56.65      
24 A" 720 709 33.14      
25 A" 700 690 13.15      
26 A" 655 646 84.35      
27 A" 541 534 34.23      
28 A" 374 368 24.12      
29 A" 154 152 0.10      
30 A" 136 134 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 18584.7 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 18317.1 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/TZVP
ABC
0.12903 0.06651 0.04389

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.288 0.388 0.000
C2 1.241 -1.068 0.000
N3 0.000 0.990 0.000
C4 0.050 -1.710 0.000
O5 2.292 1.082 0.000
N6 -1.143 -1.027 0.000
C7 -1.241 0.370 0.000
O8 -2.308 0.956 0.000
H9 2.178 -1.610 0.000
H10 -0.018 2.003 0.000
H11 -0.034 -2.793 0.000
H12 -2.025 -1.519 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 O5 N6 C7 O8 H9 H10 H11 H12
C11.45721.42122.43601.22102.81242.52843.64012.18702.07733.44453.8225
C21.45722.40301.35272.39382.38372.86834.08541.08213.31992.14463.2968
N31.42122.40302.70012.29402.31811.38692.30833.39091.01403.78253.2242
C42.43601.35272.70013.58111.37412.44803.55892.13023.71421.08592.0838
O51.22102.39382.29403.58114.03083.60404.60202.69412.48754.51965.0404
N62.81242.38372.31811.37414.03081.40082.30013.37103.23262.08441.0103
C72.52842.86831.38692.44803.60401.40081.21743.95032.04023.38512.0456
O83.64014.08542.30833.55894.60202.30011.21745.16742.51804.38412.4910
H92.18701.08213.39092.13022.69413.37103.95035.16744.22812.50854.2038
H102.07733.31991.01403.71422.48753.23262.04022.51804.22814.79624.0542
H113.44452.14463.78251.08594.51962.08443.38514.38412.50854.79622.3633
H123.82253.29683.22422.08385.04041.01032.04562.49104.20384.05422.3633

picture of Uracil state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 120.162 C1 C2 H9 118.171
C1 N3 C7 128.425 C1 N3 H10 116.081
C2 C1 N3 113.199 C2 C1 O5 126.481
C2 C4 N6 121.890 C2 C4 H11 122.767
N3 C1 O5 120.320 N3 C7 N6 112.516
N3 C7 O8 124.711 C4 C2 H9 121.668
C4 N6 C7 123.809 C4 N6 H12 121.076
N6 C4 H11 115.343 N6 C7 O8 122.772
C7 N3 H10 115.495 C7 N6 H12 115.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.158      
2 C -0.157      
3 N -0.199      
4 C 0.004      
5 O -0.300      
6 N -0.182      
7 C 0.225      
8 O -0.326      
9 H 0.139      
10 H 0.265      
11 H 0.109      
12 H 0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.216 -4.219 0.000 4.391
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.680 1.758 0.000
y 1.758 -38.092 0.000
z 0.000 0.000 -46.180
Traceless
 xyz
x -15.544 1.758 0.000
y 1.758 13.838 0.000
z 0.000 0.000 1.707
Polar
3z2-r23.414
x2-y2-19.588
xy1.758
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.374 0.394 0.000
y 0.394 10.601 0.000
z 0.000 0.000 5.181


<r2> (average value of r2) Å2
<r2> 234.371
(<r2>)1/2 15.309