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All results from a given calculation for C4H4N2O2 (Uracil)

using model chemistry: HF/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/daug-cc-pVTZ
 hartrees
Energy at 0K-412.630410
Energy at 298.15K-412.637870
HF Energy-412.630410
Nuclear repulsion energy361.311813
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 HF/daug-cc-pVTZ
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' 3876 3506 124.09      
2 A' 3833 3467 91.63      
3 A' 3400 3076 1.09      
4 A' 3362 3041 2.70      
5 A' 1962 1775 451.57      
6 A' 1944 1759 1360.51      
7 A' 1821 1648 132.54      
8 A' 1634 1478 115.61      
9 A' 1550 1402 3.36      
10 A' 1545 1397 169.02      
11 A' 1520 1375 40.33      
12 A' 1338 1210 20.86      
13 A' 1301 1176 133.31      
14 A' 1168 1057 16.50      
15 A' 1074 971 8.08      
16 A' 1047 947 8.75      
17 A' 822 744 5.56      
18 A' 609 551 4.60      
19 A' 593 537 8.99      
20 A' 561 508 26.43      
21 A' 428 387 30.18      
22 A" 1115 1009 0.04      
23 A" 918 831 95.16      
24 A" 871 788 50.43      
25 A" 807 730 12.70      
26 A" 729 659 80.18      
27 A" 582 527 53.09      
28 A" 433 392 27.84      
29 A" 177 160 0.71      
30 A" 165 150 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 20592.0 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 18627.6 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 HF/daug-cc-pVTZ
ABC
0.13218 0.06954 0.04557

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.255 0.394 0.000
C2 1.226 -1.067 0.000
N3 0.000 0.985 0.000
C4 0.055 -1.688 0.000
O5 2.236 1.065 0.000
N6 -1.132 -1.009 0.000
C7 -1.213 0.358 0.000
O8 -2.251 0.940 0.000
H9 2.155 -1.594 0.000
H10 -0.026 1.980 0.000
H11 -0.028 -2.756 0.000
H12 -1.998 -1.491 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 O5 N6 C7 O8 H9 H10 H11 H12
C11.46101.38722.40281.18872.76922.46833.54772.18272.03833.40153.7602
C21.46102.39051.32572.35892.35942.82514.01431.06793.29382.10433.2527
N31.38722.39052.67382.23742.29371.36572.25113.36140.99493.74163.1823
C42.40281.32572.67383.51221.36772.40733.49572.10153.66861.07162.0631
O51.18872.35892.23743.51223.95603.52084.48842.66122.43954.44184.9464
N62.76922.35942.29371.36773.95601.36992.24703.33873.18752.06660.9912
C72.46832.82511.36572.40733.52081.36991.18933.89302.01003.33222.0092
O83.54774.01432.25113.49574.48842.24701.18935.08222.45614.31262.4438
H92.18271.06793.36142.10152.66123.33873.89305.08224.18702.47254.1545
H102.03833.29380.99493.66862.43953.18752.01002.45614.18704.73613.9925
H113.40152.10433.74161.07164.44182.06663.33224.31262.47254.73612.3416
H123.76023.25273.18232.06314.94640.99122.00922.44384.15453.99252.3416

picture of Uracil state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 119.062 C1 C2 H9 118.512
C1 N3 C7 127.432 C1 N3 H10 116.709
C2 C1 N3 114.110 C2 C1 O5 125.501
C2 C4 N6 122.317 C2 C4 H11 122.399
N3 C1 O5 120.388 N3 C7 N6 113.959
N3 C7 O8 123.397 C4 C2 H9 122.427
C4 N6 C7 123.119 C4 N6 H12 121.175
N6 C4 H11 115.284 N6 C7 O8 122.644
C7 N3 H10 115.859 C7 N6 H12 115.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.226      
2 C 0.134      
3 N -0.186      
4 C -0.931      
5 O -1.521      
6 N -0.585      
7 C 0.772      
8 O -1.523      
9 H 0.898      
10 H 0.384      
11 H 0.978      
12 H 0.356      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.079 -4.596 0.000 4.721
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.191 1.797 0.000
y 1.797 -38.123 0.000
z 0.000 0.000 -46.276
Traceless
 xyz
x -16.992 1.797 0.000
y 1.797 14.611 0.000
z 0.000 0.000 2.382
Polar
3z2-r24.763
x2-y2-21.069
xy1.797
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.146 0.573 0.000
y 0.573 9.791 0.000
z 0.000 0.000 5.784


<r2> (average value of r2) Å2
<r2> 227.322
(<r2>)1/2 15.077