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

using model chemistry: B3LYP/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-264.594214
Energy at 298.15K-264.602279
Nuclear repulsion energy182.678616
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(2df,p)
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 3696 3567 27.42      
2 A 3655 3527 35.38      
3 A 3581 3455 18.05      
4 A 3126 3016 14.88      
5 A 3050 2943 36.94      
6 A 3005 2899 47.31      
7 A 1813 1749 411.50      
8 A 1626 1569 115.13      
9 A 1523 1470 29.69      
10 A 1492 1439 33.79      
11 A 1485 1433 33.02      
12 A 1446 1395 17.41      
13 A 1403 1353 151.84      
14 A 1207 1165 2.60      
15 A 1158 1117 5.53      
16 A 1139 1099 28.36      
17 A 1077 1039 30.92      
18 A 887 856 4.70      
19 A 779 752 47.44      
20 A 594 573 33.83      
21 A 560 541 123.78      
22 A 533 514 29.33      
23 A 482 465 30.83      
24 A 386 372 102.17      
25 A 276 267 3.57      
26 A 145 140 3.59      
27 A 96 92 3.78      

Unscaled Zero Point Vibrational Energy (zpe) 20107.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19404.1 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(2df,p)
ABC
0.32818 0.13886 0.10017

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.877 0.050 0.076
H2 -2.088 0.768 -0.727
H3 -2.695 -0.673 0.079
H4 -1.891 0.590 1.032
H5 -0.626 -1.657 -0.040
N6 -0.631 -0.656 -0.147
C7 0.628 -0.114 -0.017
H8 -0.063 1.799 -0.412
H9 1.592 1.640 -0.078
N10 0.661 1.273 0.052
O11 1.631 -0.800 0.058

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09831.09181.09752.11911.44932.51192.56693.81832.81743.6091
H21.09831.75901.77922.91372.11852.94282.29473.83682.90214.1116
H31.09181.75901.77442.29382.07643.37123.64434.87303.87964.3277
H41.09751.77921.77442.79242.12862.81822.62503.80312.81803.9095
H52.11912.91372.29382.79241.00661.98933.52183.97353.20202.4168
N61.44932.11852.07642.12861.00661.37722.53433.19612.33062.2757
C72.51192.94283.37122.81821.98931.37722.07182.00131.38871.2173
H82.56692.29473.64432.62503.52182.53432.07181.69521.00833.1374
H93.81833.83684.87303.80313.97353.19612.00131.69521.00832.4432
N102.81742.90213.87962.81803.20202.33061.38871.00831.00832.2882
O113.60914.11164.32773.90952.41682.27571.21733.13742.44322.2882

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 118.156 C1 N6 C7 125.401
H2 C1 H3 106.866 H2 C1 H4 108.241
H2 C1 N6 111.782 H3 C1 H4 108.289
H3 C1 N6 108.781 H4 C1 N6 112.664
H5 N6 C7 112.187 N6 C7 N10 114.828
N6 C7 O11 122.474 C7 N10 H8 118.752
C7 N10 H9 112.238 H8 N10 H9 114.404
N10 C7 O11 122.682
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.330      
2 H 0.123      
3 H 0.137      
4 H 0.136      
5 H 0.253      
6 N -0.308      
7 C 0.418      
8 H 0.249      
9 H 0.260      
10 N -0.544      
11 O -0.394      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.297 1.849 -0.618 3.830
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.985 5.103 -0.786
y 5.103 -26.094 -1.862
z -0.786 -1.862 -30.952
Traceless
 xyz
x -2.461 5.103 -0.786
y 5.103 4.874 -1.862
z -0.786 -1.862 -2.412
Polar
3z2-r2-4.825
x2-y2-4.890
xy5.103
xz-0.786
yz-1.862


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.307 -0.059 0.109
y -0.059 6.240 -0.085
z 0.109 -0.085 3.930


<r2> (average value of r2) Å2
<r2> 118.722
(<r2>)1/2 10.896