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

using model chemistry: HF/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 HF/6-311G*
 hartrees
Energy at 0K-302.118114
Energy at 298.15K-302.128924
Nuclear repulsion energy246.212925
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 HF/6-311G*
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 3954 3576 28.86      
2 A 3877 3507 27.62      
3 A 3842 3475 29.15      
4 A 3258 2946 52.40      
5 A 3247 2937 71.98      
6 A 3200 2894 32.29      
7 A 3185 2880 18.96      
8 A 3178 2874 60.56      
9 A 1959 1771 682.64      
10 A 1821 1647 175.46      
11 A 1674 1514 3.74      
12 A 1643 1486 5.45      
13 A 1629 1474 8.67      
14 A 1625 1470 15.42      
15 A 1556 1408 42.57      
16 A 1550 1402 292.31      
17 A 1500 1357 37.64      
18 A 1427 1290 4.65      
19 A 1303 1179 17.44      
20 A 1271 1150 3.30      
21 A 1238 1119 54.96      
22 A 1156 1045 13.96      
23 A 1058 957 3.35      
24 A 968 875 3.24      
25 A 892 807 32.37      
26 A 878 794 66.36      
27 A 651 589 64.38      
28 A 615 556 21.81      
29 A 590 534 143.49      
30 A 534 483 49.59      
31 A 424 384 140.78      
32 A 387 350 0.82      
33 A 294 265 2.34      
34 A 215 195 3.21      
35 A 114 103 7.80      
36 A 64 58 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 28388.2 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 25674.3 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 HF/6-311G*
ABC
0.29159 0.06772 0.05643

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.609 -0.214 0.006
H2 -2.683 -1.007 0.743
H3 -3.419 0.483 0.188
H4 -2.750 -0.648 -0.978
C5 -1.267 0.496 0.098
H6 -1.249 1.303 -0.628
H7 -1.150 0.944 1.081
N8 -0.190 -0.438 -0.180
H9 -0.391 -1.403 -0.066
N10 1.483 1.150 0.040
H11 2.460 1.307 -0.044
H12 0.913 1.818 -0.418
C13 1.141 -0.178 -0.021
O14 1.954 -1.050 0.076

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.08551.08371.08441.52052.13362.14992.43582.51744.31315.29164.08793.74964.6389
H21.08551.75221.75872.16303.04522.50392.71802.46204.74335.69334.71803.98594.6841
H31.08371.75221.75652.15362.45902.48063.37713.57604.94905.94014.57304.61165.5878
H41.08441.75871.75652.15992.48683.05462.68922.63904.71065.64234.45144.03424.8370
C51.52052.16302.15362.15991.08621.08651.45172.09762.82733.81632.60152.50283.5723
H62.13363.04522.45902.48681.08621.74892.08602.89422.81673.75412.23212.87624.0360
H72.14992.50392.48063.05461.08651.74892.10282.72092.83913.79842.69612.77893.8240
N82.43582.71803.37712.68921.45172.08602.10280.99292.31723.17562.52281.36552.2445
H92.51742.46203.57602.63902.09762.89422.72090.99293.16923.93363.49361.96232.3757
N104.31314.74334.94904.71062.82732.81672.83912.31723.16920.99250.99141.37272.2500
H115.29165.69335.94015.64233.81633.75413.79843.17563.93360.99251.67171.98612.4136
H124.08794.71804.57304.45142.60152.23212.69612.52283.49360.99141.67172.04853.0914
C133.74963.98594.61164.03422.50282.87622.77891.36551.96231.37271.98612.04851.1962
O144.63894.68415.58784.83703.57234.03603.82402.24452.37572.25002.41363.09141.1962

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 108.725 C1 C5 H7 109.989
C1 C5 N8 110.052 H2 C1 H3 107.758
H2 C1 H4 108.284 H2 C1 C5 111.098
H3 C1 H4 108.217 H3 C1 C5 110.455
H4 C1 C5 110.914 C5 N8 H9 116.951
C5 N8 C13 125.322 H6 C5 H7 107.213
H6 C5 N8 109.726 H7 C5 N8 111.066
N8 C13 N10 115.617 N8 C13 O14 122.229
H9 N8 C13 111.641 N10 C13 O14 122.147
H11 N10 H12 114.836 H11 N10 C13 113.243
H12 N10 C13 119.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.651 -0.365   -0.410
2 H 0.216 0.100   0.116
3 H 0.222 0.069   0.086
4 H 0.223 0.096   0.108
5 C -0.208 0.598   0.540
6 H 0.196 -0.066   -0.044
7 H 0.217 -0.064   -0.046
8 N -0.712 -0.932   -0.878
9 H 0.374 0.385   0.381
10 N -0.889 -1.044   -1.028
11 H 0.378 0.418   0.423
12 H 0.363 0.402   0.398
13 C 0.786 1.125   1.053
14 O -0.517 -0.722   -0.698


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.207 2.903 -0.626 4.371
CHELPG        
AIM        
ESP -3.228 2.876 -0.685 4.377


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.946 7.278 -1.834
y 7.278 -35.450 -1.903
z -1.834 -1.903 -38.141
Traceless
 xyz
x -2.150 7.278 -1.834
y 7.278 3.093 -1.903
z -1.834 -1.903 -0.943
Polar
3z2-r2-1.886
x2-y2-3.496
xy7.278
xz-1.834
yz-1.903


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.170 -0.229 0.110
y -0.229 6.955 -0.067
z 0.110 -0.067 5.083


<r2> (average value of r2) Å2
<r2> 200.477
(<r2>)1/2 14.159