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All results from a given calculation for C2H6N2O (Urea, methyl-)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-264.366340
Energy at 298.15K-264.374242
Nuclear repulsion energy181.925201
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 PBEPBE/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 3604 3579 28.40      
2 A 3566 3541 34.26      
3 A 3485 3461 9.99      
4 A 3056 3035 12.96      
5 A 2971 2951 36.73      
6 A 2929 2909 52.43      
7 A 1734 1722 414.62      
8 A 1567 1556 120.13      
9 A 1471 1461 40.35      
10 A 1439 1429 44.71      
11 A 1433 1423 29.10      
12 A 1394 1384 12.76      
13 A 1357 1348 119.36      
14 A 1166 1158 3.41      
15 A 1113 1105 8.11      
16 A 1103 1095 20.64      
17 A 1038 1031 30.57      
18 A 865 859 4.60      
19 A 740 735 29.13      
20 A 572 568 24.79      
21 A 537 533 96.24      
22 A 507 503 53.23      
23 A 460 457 22.52      
24 A 367 364 102.99      
25 A 264 262 4.25      
26 A 137 136 3.16      
27 A 88 87 4.06      

Unscaled Zero Point Vibrational Energy (zpe) 19480.1 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 19345.7 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 PBEPBE/cc-pVTZ
ABC
0.32632 0.13781 0.09929

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.882 0.044 0.063
H2 -2.084 0.746 -0.763
H3 -2.703 -0.682 0.070
H4 -1.913 0.607 1.011
H5 -0.622 -1.671 -0.025
N6 -0.630 -0.664 -0.124
C7 0.629 -0.111 -0.015
H8 -0.095 1.807 -0.379
H9 1.584 1.657 -0.099
N10 0.655 1.280 0.056
O11 1.647 -0.797 0.046

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10341.09621.10272.13061.45022.51772.54943.82622.82243.6281
H21.10341.76601.78852.92062.12382.94242.28723.83712.90884.1181
H31.09621.76601.78072.30672.08213.38253.63364.88653.88964.3519
H41.10271.78851.78072.81582.13212.83382.58453.81592.82133.9462
H52.13062.92062.30672.81581.01272.00053.53613.99353.21672.4326
N61.45022.12382.08212.13211.01271.38022.54103.20752.33712.2877
C72.51772.94243.38252.83382.00051.38022.08192.01041.39231.2290
H82.54942.28723.63362.58453.53612.54102.08191.70811.01503.1615
H93.82623.83714.88653.81593.99353.20752.01041.70811.01412.4590
N102.82242.90883.88962.82133.21672.33711.39231.01501.01412.3013
O113.62814.11814.35193.94622.43262.28771.22903.16152.45902.3013

picture of Urea, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N6 H5 118.710 C1 N6 C7 125.608
H2 C1 H3 106.815 H2 C1 H4 108.335
H2 C1 N6 111.829 H3 C1 H4 108.165
H3 C1 N6 108.912 H4 C1 N6 112.564
H5 N6 C7 112.541 N6 C7 N10 114.907
N6 C7 O11 122.409 C7 N10 H8 118.887
C7 N10 H9 112.369 H8 N10 H9 114.662
N10 C7 O11 122.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.197      
2 H 0.078      
3 H 0.101      
4 H 0.094      
5 H 0.139      
6 N -0.122      
7 C 0.181      
8 H 0.134      
9 H 0.152      
10 N -0.227      
11 O -0.334      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.476 1.888 -0.607 4.002
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.684 5.218 -0.716
y 5.218 -26.576 -1.829
z -0.716 -1.829 -31.800
Traceless
 xyz
x -2.496 5.218 -0.716
y 5.218 5.166 -1.829
z -0.716 -1.829 -2.670
Polar
3z2-r2-5.340
x2-y2-5.108
xy5.218
xz-0.716
yz-1.829


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.359 -0.095 0.060
y -0.095 7.107 -0.067
z 0.060 -0.067 4.659


<r2> (average value of r2) Å2
<r2> 119.930
(<r2>)1/2 10.951