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

using model chemistry: TPSSh/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-264.600024
Energy at 298.15K-264.608008
HF Energy-264.600024
Nuclear repulsion energy181.996528
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 TPSSh/6-31+G**
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 3695 3557 35.31      
2 A 3642 3505 39.81      
3 A 3568 3434 16.31      
4 A 3146 3028 17.47      
5 A 3072 2957 39.42      
6 A 3020 2907 54.56      
7 A 1769 1703 534.49      
8 A 1636 1575 140.22      
9 A 1539 1481 34.51      
10 A 1509 1453 8.78      
11 A 1495 1439 54.90      
12 A 1449 1394 36.38      
13 A 1404 1352 170.27      
14 A 1199 1154 1.90      
15 A 1152 1109 6.25      
16 A 1130 1088 31.00      
17 A 1071 1031 31.95      
18 A 887 853 3.79      
19 A 751 723 36.74      
20 A 587 565 41.24      
21 A 542 522 109.95      
22 A 516 496 54.15      
23 A 474 456 26.90      
24 A 376 362 136.69      
25 A 268 258 3.63      
26 A 146 141 3.28      
27 A 92 89 5.42      

Unscaled Zero Point Vibrational Energy (zpe) 20067.3 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 19314.8 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 TPSSh/6-31+G**
ABC
0.32648 0.13772 0.09934

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.885 0.049 0.088
H2 -2.083 0.803 -0.684
H3 -2.703 -0.672 0.049
H4 -1.897 0.540 1.070
H5 -0.630 -1.660 -0.055
N6 -0.635 -0.655 -0.166
C7 0.629 -0.113 -0.023
H8 -0.061 1.821 -0.406
H9 1.598 1.656 -0.045
N10 0.665 1.276 0.041
O11 1.638 -0.806 0.069

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09701.09141.09742.12531.45742.52112.58973.83742.82953.6252
H21.09701.76011.78282.92832.12002.93752.28033.83172.88084.1235
H31.09141.76011.77742.29842.07943.37883.66044.89103.89034.3429
H41.09741.78281.77742.77672.13272.82852.68123.83432.85713.9128
H52.12532.92832.29842.77671.01101.99513.54453.99513.21062.4269
N61.45742.12002.07942.13271.01101.38212.55293.21552.33692.2896
C72.52112.93753.37882.82851.99511.38212.08832.01691.39081.2280
H82.58972.28033.66042.68123.54452.55292.08831.70561.01173.1643
H93.83743.83174.89103.83433.99513.21552.01691.70561.01102.4650
N102.82952.88083.89032.85713.21062.33691.39081.01171.01102.2986
O113.62524.12354.34293.91282.42692.28961.22803.16432.46502.2986

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 117.727 C1 N6 C7 125.192
H2 C1 H3 107.082 H2 C1 H4 108.670
H2 C1 N6 111.408 H3 C1 H4 108.591
H3 C1 N6 108.487 H4 C1 N6 112.427
H5 N6 C7 112.025 N6 C7 N10 114.860
N6 C7 O11 122.507 C7 N10 H8 119.900
C7 N10 H9 113.277 H8 N10 H9 114.961
N10 C7 O11 122.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.377      
2 H 0.151      
3 H 0.163      
4 H 0.174      
5 H 0.331      
6 N -0.425      
7 C 0.522      
8 H 0.289      
9 H 0.327      
10 N -0.608      
11 O -0.547      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.833 2.113 -0.602 4.418
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.166 -0.262 0.093
y -0.262 6.977 0.030
z 0.093 0.030 4.912


<r2> (average value of r2) Å2
<r2> 120.114
(<r2>)1/2 10.960