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All results from a given calculation for C4H4N2O2 (Uracil)

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-414.723164
Energy at 298.15K-414.730058
HF Energy-414.723164
Nuclear repulsion energy355.491272
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/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' 3588 3538 82.25      
2 A' 3543 3493 48.07      
3 A' 3199 3154 0.33      
4 A' 3150 3105 5.69      
5 A' 1767 1742 545.80      
6 A' 1728 1703 569.40      
7 A' 1633 1610 57.60      
8 A' 1463 1442 68.62      
9 A' 1389 1369 4.84      
10 A' 1366 1347 68.53      
11 A' 1343 1324 70.88      
12 A' 1203 1186 20.49      
13 A' 1149 1133 77.39      
14 A' 1061 1046 3.28      
15 A' 971 957 5.94      
16 A' 937 923 10.91      
17 A' 751 741 2.91      
18 A' 546 538 3.40      
19 A' 529 521 8.29      
20 A' 510 503 18.86      
21 A' 376 371 17.59      
22 A" 940 926 0.18      
23 A" 797 785 52.60      
24 A" 739 729 25.23      
25 A" 712 702 17.67      
26 A" 674 664 63.31      
27 A" 554 546 34.71      
28 A" 386 381 22.89      
29 A" 161 159 0.11      
30 A" 138 136 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 18649.1 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 18388.1 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/cc-pVTZ
ABC
0.12927 0.06671 0.04400

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.285 0.389 0.000
C2 1.240 -1.067 0.000
N3 0.000 0.988 0.000
C4 0.051 -1.709 0.000
O5 2.288 1.084 0.000
N6 -1.140 -1.027 0.000
C7 -1.239 0.368 0.000
O8 -2.305 0.953 0.000
H9 2.177 -1.606 0.000
H10 -0.020 2.000 0.000
H11 -0.034 -2.790 0.000
H12 -2.022 -1.517 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 O5 N6 C7 O8 H9 H10 H11 H12
C11.45671.41752.43401.21992.80862.52413.63442.18562.07283.44213.8170
C21.45672.39991.35162.39232.38112.86444.08061.08083.31552.14333.2931
N31.41752.39992.69702.28972.31511.38562.30573.38621.01243.77823.2191
C42.43401.35162.69703.57811.37272.44453.55482.12853.70941.08492.0816
O51.21992.39232.28973.57814.02603.59874.59502.69242.48254.51665.0337
N62.80862.38112.31511.37274.02601.39812.29713.36753.22782.08191.0085
C72.52412.86441.38562.44453.59871.39811.21643.94522.03753.38022.0409
O83.63444.08062.30573.55484.59502.29711.21645.16132.51424.37862.4862
H92.18561.08083.38622.12852.69243.36753.94525.16134.22242.50784.1997
H102.07283.31551.01243.70942.48253.22782.03752.51424.22244.79034.0471
H113.44212.14333.77821.08494.51662.08193.38024.37862.50784.79032.3608
H123.81703.29313.21912.08165.03371.00852.04092.48624.19974.04712.3608

picture of Uracil state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 120.171 C1 C2 H9 117.771
C1 N3 C7 127.960 C1 N3 H10 116.742
C2 C1 N3 113.539 C2 C1 O5 125.979
C2 C4 N6 121.528 C2 C4 H11 123.049
N3 C1 O5 120.481 N3 C7 N6 113.073
N3 C7 O8 124.233 C4 C2 H9 122.058
C4 N6 C7 123.729 C4 N6 H12 121.384
N6 C4 H11 115.424 N6 C7 O8 122.694
C7 N3 H10 115.298 C7 N6 H12 114.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.194      
2 C -0.189      
3 N -0.056      
4 C -0.018      
5 O -0.306      
6 N -0.036      
7 C 0.168      
8 O -0.304      
9 H 0.126      
10 H 0.151      
11 H 0.118      
12 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.212 -4.045 0.000 4.223
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.690 1.733 0.000
y 1.733 -37.886 0.000
z 0.000 0.000 -45.642
Traceless
 xyz
x -14.926 1.733 0.000
y 1.733 13.280 0.000
z 0.000 0.000 1.646
Polar
3z2-r23.292
x2-y2-18.804
xy1.733
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.164 0.345 0.000
y 0.345 10.738 0.000
z 0.000 0.000 5.024


<r2> (average value of r2) Å2
<r2> 233.487
(<r2>)1/2 15.280