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

using model chemistry: HF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-263.011120
Energy at 298.15K-263.019555
HF Energy-263.011120
Nuclear repulsion energy184.362294
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/6-31G*
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 3939 3539 42.35      
2 A 3880 3487 47.58      
3 A 3826 3437 37.93      
4 A 3309 2973 29.06      
5 A 3257 2927 53.38      
6 A 3206 2880 48.04      
7 A 1978 1777 622.27      
8 A 1809 1626 154.35      
9 A 1670 1501 27.84      
10 A 1643 1476 12.71      
11 A 1636 1470 43.87      
12 A 1614 1450 49.00      
13 A 1543 1386 213.45      
14 A 1318 1185 1.73      
15 A 1261 1133 11.67      
16 A 1244 1118 44.07      
17 A 1187 1066 30.93      
18 A 962 864 5.97      
19 A 877 788 125.63      
20 A 658 591 48.83      
21 A 608 546 163.99      
22 A 590 530 30.71      
23 A 530 476 52.93      
24 A 424 381 146.95      
25 A 306 275 2.78      
26 A 178 160 3.02      
27 A 108 97 6.82      

Unscaled Zero Point Vibrational Energy (zpe) 21779.6 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 19568.9 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/6-31G*
ABC
0.33358 0.14100 0.10197

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.868 0.064 0.091
H2 -2.064 0.819 -0.664
H3 -2.679 -0.649 0.047
H4 -1.878 0.539 1.067
H5 -0.636 -1.628 -0.068
N6 -0.632 -0.639 -0.173
C7 0.619 -0.116 -0.020
H8 -0.009 1.795 -0.423
H9 1.613 1.604 -0.043
N10 0.685 1.253 0.041
O11 1.596 -0.809 0.072

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.08531.08111.08542.09961.44642.49592.59163.80882.81653.5726
H21.08531.74331.76332.89582.10212.91352.28793.81102.87084.0730
H31.08111.74331.75852.26892.05913.34173.65054.84873.86474.2786
H41.08541.76331.75852.74372.11612.80102.70103.81552.85183.8573
H52.09962.89582.26892.74370.99491.96593.49853.93813.17202.3821
N61.44642.10212.05912.11610.99491.36452.52513.17642.31552.2480
C72.49592.91353.34172.80101.96591.36452.05151.98691.37241.2014
H82.59162.28793.65052.70103.49852.52512.05151.67680.99493.0984
H93.80883.81104.84873.81553.93813.17641.98691.67680.99602.4157
N102.81652.87083.86472.85183.17202.31551.37240.99490.99602.2549
O113.57264.07304.27863.85732.38212.24801.20143.09842.41572.2549

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 117.446 C1 N6 C7 125.199
H2 C1 H3 107.158 H2 C1 H4 108.639
H2 C1 N6 111.466 H3 C1 H4 108.519
H3 C1 N6 108.246 H4 C1 N6 112.627
H5 N6 C7 111.911 N6 C7 N10 115.563
N6 C7 O11 122.219 C7 N10 H8 119.275
C7 N10 H9 113.094 H8 N10 H9 114.748
N10 C7 O11 122.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.289      
2 H 0.165      
3 H 0.188      
4 H 0.184      
5 H 0.393      
6 N -0.788      
7 C 0.922      
8 H 0.377      
9 H 0.392      
10 N -0.915      
11 O -0.630      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.595 2.190 -0.655 4.260
CHELPG -3.647 2.213 -0.725 4.327
AIM        
ESP -3.662 2.207 -0.742 4.340


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.370 5.590 -1.085
y 5.590 -26.522 -2.131
z -1.085 -2.131 -31.529
Traceless
 xyz
x -2.344 5.590 -1.085
y 5.590 4.927 -2.131
z -1.085 -2.131 -2.583
Polar
3z2-r2-5.166
x2-y2-4.848
xy5.590
xz-1.085
yz-2.131


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.069 -0.180 0.163
y -0.180 5.295 -0.077
z 0.163 -0.077 3.311


<r2> (average value of r2) Å2
<r2> 117.395
(<r2>)1/2 10.835