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

using model chemistry: B3LYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-264.640576
Energy at 298.15K-264.648698
Nuclear repulsion energy182.526654
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/6-311G*
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 3691 3567 19.59      
2 A 3643 3520 25.69      
3 A 3580 3459 12.26      
4 A 3123 3018 22.79      
5 A 3050 2948 48.84      
6 A 3008 2907 53.33      
7 A 1803 1742 467.16      
8 A 1670 1614 129.38      
9 A 1542 1490 32.37      
10 A 1510 1459 10.21      
11 A 1499 1448 48.03      
12 A 1470 1421 16.42      
13 A 1408 1361 185.23      
14 A 1209 1168 1.18      
15 A 1160 1121 9.98      
16 A 1145 1106 32.48      
17 A 1085 1048 36.44      
18 A 887 857 4.33      
19 A 785 758 62.58      
20 A 605 585 49.04      
21 A 563 544 136.70      
22 A 540 522 30.48      
23 A 492 475 35.11      
24 A 391 378 129.36      
25 A 279 270 3.31      
26 A 155 149 3.64      
27 A 101 98 5.26      

Unscaled Zero Point Vibrational Energy (zpe) 20196.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 19515.4 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/6-311G*
ABC
0.32695 0.13863 0.10007

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.879 0.053 0.086
H2 -2.095 0.783 -0.703
H3 -2.697 -0.667 0.082
H4 -1.882 0.574 1.050
H5 -0.631 -1.655 -0.056
N6 -0.634 -0.654 -0.163
C7 0.627 -0.115 -0.021
H8 -0.044 1.808 -0.426
H9 1.602 1.638 -0.054
N10 0.668 1.272 0.046
O11 1.627 -0.805 0.067

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09601.09001.09562.12031.45282.51372.59013.82672.82333.6092
H21.09601.75501.77762.91662.11882.94652.30993.84942.90414.1192
H31.09001.75501.77232.29392.07713.37093.66384.87933.88344.3258
H41.09561.77761.77232.78552.13002.81372.66103.80622.82783.8966
H52.12032.91662.29392.78551.00731.98933.53223.97893.20402.4157
N61.45282.11882.07712.13001.00731.37902.54523.20362.33382.2777
C72.51372.94653.37092.81371.98931.37902.07662.00601.38891.2181
H82.59012.30993.66382.66103.53222.54522.07661.69541.00843.1406
H93.82673.84944.87933.80623.97893.20362.00601.69541.00802.4466
N102.82332.90413.88342.82783.20402.33381.38891.00841.00802.2880
O113.60924.11924.32583.89662.41572.27771.21813.14062.44662.2880

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 117.917 C1 N6 C7 125.141
H2 C1 H3 106.803 H2 C1 H4 108.412
H2 C1 N6 111.695 H3 C1 H4 108.369
H3 C1 N6 108.697 H4 C1 N6 112.650
H5 N6 C7 112.007 N6 C7 N10 114.955
N6 C7 O11 122.453 C7 N10 H8 119.187
C7 N10 H9 112.658 H8 N10 H9 114.444
N10 C7 O11 122.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.501     0.001
2 H 0.209     0.039
3 H 0.222     0.080
4 H 0.225     0.061
5 H 0.342     0.345
6 N -0.567     -0.589
7 C 0.557     0.757
8 H 0.333     0.372
9 H 0.346     0.378
10 N -0.771     -0.858
11 O -0.395     -0.587


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.399 1.966 -0.643 3.978
CHELPG        
AIM        
ESP -3.468 1.981 -0.735 4.060


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.422 5.359 -0.895
y 5.359 -26.425 -2.045
z -0.895 -2.045 -31.778
Traceless
 xyz
x -2.321 5.359 -0.895
y 5.359 5.175 -2.045
z -0.895 -2.045 -2.854
Polar
3z2-r2-5.709
x2-y2-4.997
xy5.359
xz-0.895
yz-2.045


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.205 -0.103 0.135
y -0.103 6.180 -0.067
z 0.135 -0.067 3.899


<r2> (average value of r2) Å2
<r2> 119.228
(<r2>)1/2 10.919