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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-264.492316
Energy at 298.15K-264.500441
Nuclear repulsion energy182.592885
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 B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3687 3558 31.93      
2 A 3637 3510 37.60      
3 A 3565 3441 16.62      
4 A 3145 3035 13.69      
5 A 3071 2963 38.64      
6 A 3012 2906 49.87      
7 A 1829 1765 438.08      
8 A 1603 1547 149.93      
9 A 1497 1445 87.54      
10 A 1480 1428 56.16      
11 A 1459 1408 8.88      
12 A 1438 1388 9.00      
13 A 1401 1352 85.29      
14 A 1205 1163 7.47      
15 A 1144 1104 29.82      
16 A 1133 1093 0.40      
17 A 1075 1037 28.07      
18 A 898 867 4.61      
19 A 786 758 54.47      
20 A 612 591 35.72      
21 A 575 554 143.41      
22 A 543 524 15.43      
23 A 488 471 45.39      
24 A 393 379 87.05      
25 A 272 262 2.90      
26 A 149 143 5.57      
27 A 102 99 3.22      

Unscaled Zero Point Vibrational Energy (zpe) 20098.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19394.7 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 B3PW91/cc-pVDZ
ABC
0.32617 0.13939 0.10063

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.867 0.049 0.095
H2 -2.064 0.839 -0.652
H3 -2.703 -0.660 0.024
H4 -1.889 0.513 1.098
H5 -0.625 -1.655 -0.042
N6 -0.634 -0.652 -0.183
C7 0.624 -0.112 -0.022
H8 -0.043 1.791 -0.464
H9 1.600 1.631 -0.074
N10 0.660 1.274 0.053
O11 1.625 -0.804 0.073

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10441.09851.10522.11401.44582.49962.58293.81522.80833.5956
H21.10441.76451.78842.94372.11832.91982.24093.79272.84634.1029
H31.09851.76451.78612.30572.07963.37283.64954.87653.87934.3313
H41.10521.78841.78612.75642.13852.82152.73483.84722.85783.8905
H52.11402.94372.30572.75641.01301.98583.52013.96893.19942.4083
N61.44582.11832.07962.13851.01301.37922.52903.19672.33212.2790
C72.49962.91983.37282.82151.98581.37922.06401.99811.38761.2209
H82.58292.24093.64952.73483.52012.52902.06401.69681.01453.1315
H93.81523.79274.87653.84723.96893.19671.99811.69681.01442.4398
N102.80832.84633.87932.85783.19942.33211.38761.01451.01442.2912
O113.59564.10294.33133.89052.40832.27901.22093.13152.43982.2912

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 117.493 C1 N6 C7 124.444
H2 C1 H3 106.452 H2 C1 H4 108.073
H2 C1 N6 111.629 H3 C1 H4 108.296
H3 C1 N6 108.873 H4 C1 N6 113.248
H5 N6 C7 111.297 N6 C7 N10 114.892
N6 C7 O11 122.331 C7 N10 H8 117.626
C7 N10 H9 111.637 H8 N10 H9 113.514
N10 C7 O11 122.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.008      
2 H 0.048      
3 H 0.056      
4 H 0.056      
5 H 0.113      
6 N -0.214      
7 C 0.201      
8 H 0.103      
9 H 0.117      
10 N -0.164      
11 O -0.308      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.244 1.906 -0.647 3.818
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.854 5.141 -0.890
y 5.141 -26.071 -2.045
z -0.890 -2.045 -30.958
Traceless
 xyz
x -2.340 5.141 -0.890
y 5.141 4.835 -2.045
z -0.890 -2.045 -2.495
Polar
3z2-r2-4.990
x2-y2-4.783
xy5.141
xz-0.890
yz-2.045


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 118.453
(<r2>)1/2 10.884