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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-264.256303
Energy at 298.15K-264.264343
HF Energy-264.256303
Nuclear repulsion energy181.312416
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 PBEPBEultrafine/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 3592 3533 22.37      
2 A 3548 3489 26.36      
3 A 3472 3414 8.38      
4 A 3081 3030 14.99      
5 A 3000 2950 41.08      
6 A 2952 2903 51.17      
7 A 1778 1749 357.09      
8 A 1606 1580 116.85      
9 A 1500 1476 32.43      
10 A 1468 1444 8.77      
11 A 1460 1436 55.27      
12 A 1413 1390 26.13      
13 A 1375 1353 124.58      
14 A 1177 1158 3.03      
15 A 1126 1108 18.62      
16 A 1117 1098 13.11      
17 A 1055 1037 31.43      
18 A 873 859 3.40      
19 A 744 732 66.03      
20 A 600 590 42.49      
21 A 575 565 171.05      
22 A 525 516 14.87      
23 A 479 471 39.46      
24 A 390 384 90.80      
25 A 272 267 3.47      
26 A 156 154 4.81      
27 A 108 107 4.42      

Unscaled Zero Point Vibrational Energy (zpe) 19720.3 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 19394.9 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 PBEPBEultrafine/6-31G*
ABC
0.32161 0.13741 0.09918

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.887 0.043 0.090
H2 -2.096 0.804 -0.685
H3 -2.713 -0.681 0.054
H4 -1.901 0.541 1.078
H5 -0.627 -1.667 -0.055
N6 -0.636 -0.657 -0.170
C7 0.633 -0.112 -0.023
H8 -0.071 1.825 -0.417
H9 1.596 1.664 -0.049
N10 0.658 1.283 0.043
O11 1.647 -0.806 0.070

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10611.10011.10642.12921.45722.52732.59393.84392.83063.6339
H21.10611.77101.79322.94322.12912.95402.28303.84342.88804.1434
H31.10011.77101.78962.31012.09003.39573.67254.90763.90174.3617
H41.10641.79321.78962.78962.14322.83902.68943.84172.85783.9259
H52.12922.94322.31012.78961.01662.00183.55464.00503.21892.4343
N61.45722.12912.09002.14321.01661.38882.55743.22232.34112.2995
C72.52732.95403.39572.83902.00181.38882.09872.02081.39661.2315
H82.59392.28303.67252.68943.55462.55742.09871.71471.01863.1797
H93.84393.84344.90763.84174.00503.22232.02081.71471.01702.4739
N102.83062.88803.90172.85783.21892.34111.39661.01861.01702.3110
O113.63394.14344.36173.92592.43432.29951.23153.17972.47392.3110

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 117.688 C1 N6 C7 125.236
H2 C1 H3 106.788 H2 C1 H4 108.291
H2 C1 N6 111.592 H3 C1 H4 108.396
H3 C1 N6 108.828 H4 C1 N6 112.729
H5 N6 C7 111.722 N6 C7 N10 114.386
N6 C7 O11 122.589 C7 N10 H8 119.858
C7 N10 H9 112.756 H8 N10 H9 114.775
N10 C7 O11 123.008
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.367      
2 H 0.165      
3 H 0.178      
4 H 0.182      
5 H 0.335      
6 N -0.553      
7 C 0.624      
8 H 0.320      
9 H 0.338      
10 N -0.731      
11 O -0.490      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.197 1.809 -0.661 3.733
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.701 5.097 -0.995
y 5.097 -26.028 -2.264
z -0.995 -2.264 -31.335
Traceless
 xyz
x -2.019 5.097 -0.995
y 5.097 4.990 -2.264
z -0.995 -2.264 -2.971
Polar
3z2-r2-5.941
x2-y2-4.672
xy5.097
xz-0.995
yz-2.264


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.328 -0.081 0.172
y -0.081 6.237 -0.104
z 0.172 -0.104 3.555


<r2> (average value of r2) Å2
<r2> 119.870
(<r2>)1/2 10.949