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All results from a given calculation for NH2CONHC2H5 (Urea, ethyl-)

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-303.781374
Energy at 298.15K-303.791678
Nuclear repulsion energy241.165988
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 BLYP/6-31G**
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 3578 3550 17.76      
2 A 3503 3476 14.81      
3 A 3454 3428 6.24      
4 A 3055 3031 26.25      
5 A 3040 3017 34.36      
6 A 2975 2952 22.65      
7 A 2948 2925 38.65      
8 A 2922 2899 45.86      
9 A 1740 1727 357.10      
10 A 1584 1571 118.39      
11 A 1501 1490 2.30      
12 A 1480 1469 5.54      
13 A 1473 1461 5.10      
14 A 1413 1402 7.39      
15 A 1392 1381 0.82      
16 A 1372 1361 232.13      
17 A 1327 1317 47.63      
18 A 1266 1257 9.57      
19 A 1155 1146 13.09      
20 A 1129 1121 2.18      
21 A 1089 1081 48.28      
22 A 1026 1018 13.58      
23 A 953 945 1.41      
24 A 868 861 1.13      
25 A 803 797 1.25      
26 A 735 729 63.35      
27 A 598 593 55.14      
28 A 571 566 126.71      
29 A 532 528 37.92      
30 A 487 483 42.32      
31 A 393 390 73.33      
32 A 348 346 0.70      
33 A 268 266 2.20      
34 A 190 189 2.11      
35 A 117 116 7.28      
36 A 64 63 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 25674.3 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 25476.6 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 BLYP/6-31G**
ABC
0.27904 0.06516 0.05432

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.655 -0.213 -0.023
H2 -2.749 -1.069 0.666
H3 -3.472 0.489 0.202
H4 -2.787 -0.582 -1.052
C5 -1.292 0.480 0.143
H6 -1.249 1.348 -0.540
H7 -1.188 0.877 1.171
N8 -0.198 -0.451 -0.188
H9 -0.383 -1.437 -0.011
N10 1.490 1.190 0.037
H11 2.489 1.339 -0.096
H12 0.906 1.846 -0.481
C13 1.163 -0.174 -0.025
O14 2.011 -1.068 0.078

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.10271.10041.10111.53712.16362.18242.47402.58064.37625.37314.13793.81734.7446
H21.10271.77881.78542.18943.09002.54522.76062.48804.84455.81504.81314.07154.7962
H31.10041.77881.78552.18082.49692.51113.42893.64665.01456.02904.63404.68755.7014
H41.10111.78541.78552.18782.52033.10232.73222.75554.75585.69524.45564.10084.9531
C51.53712.18942.18082.18781.10601.10771.47402.12722.87373.88502.66192.54593.6485
H62.16363.09002.49692.52031.10601.77642.11292.96482.80363.76402.21182.89794.1046
H72.18242.54522.51113.10231.10771.77642.14332.72082.92573.91712.83772.83973.9008
N82.47402.76063.42892.73221.47402.11292.14331.01982.36483.22952.56441.39762.3090
H92.58062.48803.64662.75552.12722.96482.72081.01983.22753.99573.55841.99622.4243
N104.37624.84455.01454.75582.87372.80362.92572.36483.22751.01861.01971.40482.3179
H115.37315.81506.02905.69523.88503.76403.91713.22953.99571.01861.70652.01362.4600
H124.13794.81314.63404.45562.66192.21182.83772.56443.55841.01971.70652.08693.1663
C133.81734.07154.68754.10082.54592.89792.83971.39761.99621.40482.01362.08691.2367
O144.74464.79625.70144.95313.64854.10463.90082.30902.42432.31792.46003.16631.2367

picture of Urea, ethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 108.792 C1 C5 H7 110.158
C1 C5 N8 110.475 H2 C1 H3 107.681
H2 C1 H4 108.223 H2 C1 C5 111.001
H3 C1 H4 108.394 H3 C1 C5 110.460
H4 C1 C5 110.969 C5 N8 H9 115.874
C5 N8 C13 124.865 H6 C5 H7 106.734
H6 C5 N8 109.125 H7 C5 N8 111.446
N8 C13 N10 115.099 N8 C13 O14 122.333
H9 N8 C13 110.356 N10 C13 O14 122.560
H11 N10 H12 113.693 H11 N10 C13 111.391
H12 N10 C13 117.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.312      
2 H 0.104      
3 H 0.104      
4 H 0.112      
5 C -0.011      
6 H 0.087      
7 H 0.102      
8 N -0.476      
9 H 0.246      
10 N -0.567      
11 H 0.257      
12 H 0.238      
13 C 0.609      
14 O -0.492      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.881 2.428 -0.606 3.816
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.824 6.534 -1.882
y 6.534 -34.916 -2.053
z -1.882 -2.053 -37.651
Traceless
 xyz
x -1.540 6.534 -1.882
y 6.534 2.821 -2.053
z -1.882 -2.053 -1.281
Polar
3z2-r2-2.562
x2-y2-2.907
xy6.534
xz-1.882
yz-2.053


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> 206.882
(<r2>)1/2 14.383