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All results from a given calculation for C4H4N2O2 (Uracil)

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-414.710094
Energy at 298.15K-414.717162
HF Energy-414.710094
Nuclear repulsion energy356.786922
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 wB97X-D/cc-pVDZ
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' 3699 3524 116.23      
2 A' 3660 3486 75.97      
3 A' 3297 3141 1.47      
4 A' 3256 3101 2.71      
5 A' 1858 1770 644.18      
6 A' 1827 1740 900.99      
7 A' 1717 1636 73.27      
8 A' 1532 1460 135.39      
9 A' 1443 1374 112.48      
10 A' 1433 1365 17.49      
11 A' 1407 1340 8.06      
12 A' 1258 1198 2.70      
13 A' 1228 1170 110.87      
14 A' 1111 1058 8.12      
15 A' 1000 953 7.15      
16 A' 987 940 8.16      
17 A' 784 747 3.23      
18 A' 566 539 4.85      
19 A' 550 524 5.29      
20 A' 525 500 20.19      
21 A' 392 374 23.46      
22 A" 978 932 0.43      
23 A" 816 777 59.35      
24 A" 756 720 56.76      
25 A" 730 696 8.99      
26 A" 679 646 92.10      
27 A" 567 540 48.41      
28 A" 393 375 27.55      
29 A" 165 157 0.28      
30 A" 148 141 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 19380.1 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 18461.4 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 wB97X-D/cc-pVDZ
ABC
0.12972 0.06750 0.04440

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.267 0.393 0.000
C2 1.237 -1.064 0.000
N3 0.000 0.991 0.000
C4 0.055 -1.707 0.000
O5 2.269 1.085 0.000
N6 -1.137 -1.025 0.000
C7 -1.224 0.357 0.000
O8 -2.289 0.946 0.000
H9 2.180 -1.591 0.000
H10 -0.031 2.003 0.000
H11 -0.027 -2.787 0.000
H12 -2.022 -1.508 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 O5 N6 C7 O8 H9 H10 H11 H12
C11.45741.40102.42471.21812.79062.49183.59872.18402.06773.43353.7989
C21.45742.39831.34532.38452.37392.84244.05851.08053.31842.13703.2889
N31.40102.39832.69832.27142.31361.37842.28933.37911.01243.77803.2143
C42.42471.34532.69833.56371.37352.42903.54022.12823.71071.08332.0867
O51.21812.38452.27143.56374.00653.56884.56042.67782.47634.50225.0141
N62.79062.37392.31361.37354.00651.38482.28253.36493.22272.08301.0087
C72.49182.84241.37842.42903.56881.38481.21623.92282.03253.36512.0289
O83.59874.05852.28933.54024.56042.28251.21625.13892.49314.36502.4685
H92.18401.08053.37912.12822.67783.36493.92285.13894.21932.51054.2029
H102.06773.31841.01243.71072.47633.22272.03252.49314.21934.78994.0360
H113.43352.13703.77801.08334.50222.08303.36514.36502.51054.78992.3699
H123.79893.28893.21432.08675.01411.00872.02892.46854.20294.03602.3699

picture of Uracil state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 119.740 C1 C2 H9 117.997
C1 N3 C7 127.407 C1 N3 H10 116.993
C2 C1 N3 114.062 C2 C1 O5 125.825
C2 C4 N6 121.647 C2 C4 H11 122.901
N3 C1 O5 120.113 N3 C7 N6 113.708
N3 C7 O8 123.727 C4 C2 H9 122.262
C4 N6 C7 123.436 C4 N6 H12 121.550
N6 C4 H11 115.452 N6 C7 O8 122.566
C7 N3 H10 115.600 C7 N6 H12 115.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.289      
2 C 0.107      
3 N -0.579      
4 C -0.103      
5 O -0.508      
6 N -0.471      
7 C 0.693      
8 O -0.525      
9 H 0.192      
10 H 0.363      
11 H 0.187      
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
  -1.165 -4.530 0.000 4.678
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.630 1.671 0.000
y 1.671 -37.846 0.000
z 0.000 0.000 -46.518
Traceless
 xyz
x -16.448 1.671 0.000
y 1.671 14.729 0.000
z 0.000 0.000 1.720
Polar
3z2-r23.439
x2-y2-20.785
xy1.671
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.215 0.500 0.000
y 0.500 10.226 0.000
z 0.000 0.000 5.395


<r2> (average value of r2) Å2
<r2> 232.338
(<r2>)1/2 15.243