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

using model chemistry: HF/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 HF/cc-pVTZ
 hartrees
Energy at 0K-263.118840
Energy at 298.15K-263.127229
Nuclear repulsion energy184.830774
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/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 3936 3582 44.11      
2 A 3874 3526 48.25      
3 A 3817 3474 38.36      
4 A 3253 2961 27.56      
5 A 3199 2911 47.93      
6 A 3154 2871 50.68      
7 A 1932 1758 648.46      
8 A 1777 1617 152.14      
9 A 1646 1498 34.50      
10 A 1617 1471 22.38      
11 A 1611 1467 35.42      
12 A 1594 1451 31.90      
13 A 1522 1386 212.31      
14 A 1309 1191 1.97      
15 A 1251 1139 6.66      
16 A 1228 1118 46.69      
17 A 1172 1067 31.68      
18 A 952 866 6.56      
19 A 875 796 67.51      
20 A 639 581 28.35      
21 A 598 544 47.80      
22 A 557 507 99.69      
23 A 511 465 25.60      
24 A 407 370 170.19      
25 A 305 278 4.09      
26 A 174 158 1.81      
27 A 102 93 5.44      

Unscaled Zero Point Vibrational Energy (zpe) 21506.0 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 19572.6 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/cc-pVTZ
ABC
0.33659 0.14148 0.10217

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.866 0.064 0.073
H2 -2.046 0.800 -0.702
H3 -2.677 -0.648 0.027
H4 -1.902 0.559 1.037
H5 -0.633 -1.629 -0.040
N6 -0.628 -0.644 -0.141
C7 0.619 -0.115 -0.016
H8 -0.039 1.795 -0.356
H9 1.603 1.610 -0.064
N10 0.685 1.250 0.042
O11 1.597 -0.803 0.057

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.08431.07991.08442.09761.44272.49382.55283.80122.81413.5702
H21.08431.74041.76192.88732.10032.90062.26573.79222.86634.0517
H31.07991.74041.75412.26802.05633.33943.61534.84043.86124.2769
H41.08441.76191.75412.74952.11202.81472.63403.82182.85743.8809
H52.09762.88732.26802.74950.99071.96493.48923.93663.16782.3805
N61.44272.10032.05632.11200.99071.36002.51743.17232.31162.2391
C72.49382.90063.33942.81471.96491.36002.04891.98711.36821.1972
H82.55282.26573.61532.63403.48922.51742.04891.67880.99023.0974
H93.80123.79224.84043.82183.93663.17231.98711.67880.99172.4159
N102.81412.86633.86122.85743.16782.31161.36820.99020.99172.2460
O113.57024.05174.27693.88092.38052.23911.19723.09742.41592.2460

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 117.896 C1 N6 C7 125.665
H2 C1 H3 107.065 H2 C1 H4 108.665
H2 C1 N6 111.653 H3 C1 H4 108.283
H3 C1 N6 108.352 H4 C1 N6 112.620
H5 N6 C7 112.469 N6 C7 N10 115.834
N6 C7 O11 122.098 C7 N10 H8 119.781
C7 N10 H9 113.758 H8 N10 H9 115.797
N10 C7 O11 122.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.172 0.196   0.010
2 H 0.078 -0.008   0.036
3 H 0.107 0.038   0.079
4 H 0.097 0.008   0.058
5 H 0.181 0.352   0.337
6 N -0.225 -0.712   -0.584
7 C 0.349 0.981   0.839
8 H 0.175 0.364   0.364
9 H 0.189 0.369   0.380
10 N -0.327 -0.880   -0.855
11 O -0.451 -0.707   -0.663


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.729 2.257 -0.556 4.394
CHELPG        
AIM        
ESP -3.799 2.259 -0.640 4.466


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.731 5.615 -0.824
y 5.615 -26.548 -1.781
z -0.824 -1.781 -31.551
Traceless
 xyz
x -2.682 5.615 -0.824
y 5.615 5.093 -1.781
z -0.824 -1.781 -2.411
Polar
3z2-r2-4.822
x2-y2-5.183
xy5.615
xz-0.824
yz-1.781


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.882 -0.179 0.061
y -0.179 5.945 -0.036
z 0.061 -0.036 4.244


<r2> (average value of r2) Å2
<r2> 117.147
(<r2>)1/2 10.823