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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-264.567956
Energy at 298.15K-264.576085
Nuclear repulsion energy182.171377
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 B3LYP/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 3677 3531 24.98      
2 A 3630 3486 30.29      
3 A 3564 3423 15.33      
4 A 3144 3019 18.43      
5 A 3073 2951 43.79      
6 A 3027 2907 48.18      
7 A 1823 1751 417.37      
8 A 1659 1593 122.30      
9 A 1549 1487 27.40      
10 A 1518 1457 7.59      
11 A 1508 1448 50.61      
12 A 1466 1407 26.57      
13 A 1418 1362 167.66      
14 A 1212 1164 1.79      
15 A 1164 1117 11.54      
16 A 1148 1103 28.75      
17 A 1089 1045 32.76      
18 A 892 857 3.86      
19 A 777 746 79.05      
20 A 614 589 48.03      
21 A 584 561 167.75      
22 A 543 521 14.98      
23 A 494 474 43.01      
24 A 400 384 100.88      
25 A 279 268 3.12      
26 A 154 147 4.87      
27 A 103 99 4.28      

Unscaled Zero Point Vibrational Energy (zpe) 20252.4 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 19448.4 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 B3LYP/6-31G*
ABC
0.32495 0.13830 0.09989

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.879 0.053 0.094
H2 -2.083 0.817 -0.667
H3 -2.702 -0.665 0.053
H4 -1.886 0.536 1.080
H5 -0.630 -1.654 -0.053
N6 -0.637 -0.651 -0.180
C7 0.626 -0.113 -0.022
H8 -0.033 1.805 -0.453
H9 1.609 1.632 -0.061
N10 0.669 1.276 0.049
O11 1.628 -0.810 0.073

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09821.09261.09842.11951.45402.51322.60353.83222.82653.6117
H21.09821.76041.78092.93172.11822.93642.28603.82942.88044.1193
H31.09261.76041.77892.29802.07843.37413.67164.88613.88944.3325
H41.09841.78091.77892.76692.13522.81872.71903.83652.85243.8954
H52.11952.93172.29802.76691.01031.98763.53253.97593.20582.4140
N61.45402.11822.07842.13521.01031.38152.54413.20472.33872.2843
C72.51322.93643.37412.81871.98761.38152.07372.00351.39141.2239
H82.60352.28603.67162.71903.53252.54412.07371.69681.01213.1418
H93.83223.82944.88613.83653.97593.20472.00351.69681.01162.4451
N102.82652.88043.88942.85243.20582.33871.39141.01211.01162.2953
O113.61174.11934.33253.89542.41402.28431.22393.14182.44512.2953

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 117.516 C1 N6 C7 124.804
H2 C1 H3 106.936 H2 C1 H4 108.338
H2 C1 N6 111.423 H3 C1 H4 108.562
H3 C1 N6 108.568 H4 C1 N6 112.812
H5 N6 C7 111.459 N6 C7 N10 115.003
N6 C7 O11 122.391 C7 N10 H8 118.406
C7 N10 H9 112.000 H8 N10 H9 113.961
N10 C7 O11 122.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.311 0.207   0.064
2 H 0.152 -0.012   0.023
3 H 0.166 0.033   0.065
4 H 0.170 0.004   0.043
5 H 0.336 0.347   0.340
6 N -0.582 -0.685   -0.600
7 C 0.680 0.834   0.739
8 H 0.323 0.365   0.368
9 H 0.340 0.362   0.369
10 N -0.750 -0.856   -0.842
11 O -0.523 -0.599   -0.569


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.300 1.907 -0.672 3.871
CHELPG -3.352 1.930 -0.733 3.937
AIM        
ESP -3.366 1.923 -0.752 3.949


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.856 5.243 -0.993
y 5.243 -26.161 -2.170
z -0.993 -2.170 -31.244
Traceless
 xyz
x -2.154 5.243 -0.993
y 5.243 4.889 -2.170
z -0.993 -2.170 -2.735
Polar
3z2-r2-5.471
x2-y2-4.695
xy5.243
xz-0.993
yz-2.170


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.935 -0.102 0.172
y -0.102 5.946 -0.092
z 0.172 -0.092 3.457


<r2> (average value of r2) Å2
<r2> 119.187
(<r2>)1/2 10.917