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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-264.277249
Energy at 298.15K-264.285262
Nuclear repulsion energy181.299150
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 PBEPBE/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 3572 3551 23.09      
2 A 3531 3510 27.36      
3 A 3448 3428 7.16      
4 A 3067 3049 13.51      
5 A 2981 2964 40.21      
6 A 2929 2912 54.52      
7 A 1766 1756 364.41      
8 A 1547 1538 127.63      
9 A 1446 1437 67.29      
10 A 1430 1421 55.12      
11 A 1407 1399 8.16      
12 A 1382 1374 8.49      
13 A 1350 1343 81.50      
14 A 1164 1158 6.68      
15 A 1108 1101 27.51      
16 A 1095 1088 0.67      
17 A 1036 1030 29.14      
18 A 869 864 3.93      
19 A 748 744 44.32      
20 A 597 593 33.09      
21 A 569 565 141.79      
22 A 525 522 13.44      
23 A 473 471 41.17      
24 A 383 381 73.59      
25 A 264 262 2.90      
26 A 146 145 5.96      
27 A 104 103 2.75      

Unscaled Zero Point Vibrational Energy (zpe) 19467.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 19354.4 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 PBEPBE/cc-pVDZ
ABC
0.32117 0.13773 0.09938

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.875 0.043 0.097
H2 -2.074 0.841 -0.654
H3 -2.720 -0.668 0.028
H4 -1.894 0.514 1.106
H5 -0.622 -1.669 -0.028
N6 -0.637 -0.660 -0.189
C7 0.629 -0.111 -0.023
H8 -0.056 1.797 -0.478
H9 1.598 1.646 -0.086
N10 0.652 1.286 0.057
O11 1.643 -0.804 0.074

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.11291.10621.11392.12591.45282.51202.59183.82972.81613.6190
H21.11291.77711.79942.96632.12942.93402.24043.80192.85184.1293
H31.10621.77711.80062.32502.09383.39503.66474.90003.89654.3648
H41.11391.79941.80062.76932.15322.83382.74493.85962.85903.9127
H52.12592.96632.32502.76931.02141.99813.54113.99013.21872.4262
N61.45282.12942.09382.15321.02141.39012.54223.21352.34722.2996
C72.51202.93403.39502.83381.99811.39012.07772.00741.39911.2323
H82.59182.24043.66472.74493.54112.54222.07771.70631.02403.1559
H93.82973.80194.90003.85963.99013.21352.00741.70631.02292.4562
N102.81612.85183.89652.85903.21872.34721.39911.02401.02292.3134
O113.61904.12934.36483.91272.42622.29961.23233.15592.45622.3134

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 117.394 C1 N6 C7 124.140
H2 C1 H3 106.415 H2 C1 H4 107.818
H2 C1 N6 111.497 H3 C1 H4 108.394
H3 C1 N6 109.056 H4 C1 N6 113.386
H5 N6 C7 110.980 N6 C7 N10 114.602
N6 C7 O11 122.425 C7 N10 H8 117.216
C7 N10 H9 111.003 H8 N10 H9 112.940
N10 C7 O11 122.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.002      
2 H 0.040      
3 H 0.045      
4 H 0.046      
5 H 0.098      
6 N -0.156      
7 C 0.125      
8 H 0.089      
9 H 0.102      
10 N -0.119      
11 O -0.268      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.092 1.778 -0.640 3.623
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.015 4.962 -0.866
y 4.962 -26.283 -2.076
z -0.866 -2.076 -31.175
Traceless
 xyz
x -2.286 4.962 -0.866
y 4.962 4.812 -2.076
z -0.866 -2.076 -2.526
Polar
3z2-r2-5.052
x2-y2-4.733
xy4.962
xz-0.866
yz-2.076


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.598 -0.029 0.110
y -0.029 6.458 -0.134
z 0.110 -0.134 3.826


<r2> (average value of r2) Å2
<r2> 119.824
(<r2>)1/2 10.946