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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-303.847369
Energy at 298.15K-303.857734
Nuclear repulsion energy244.473013
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 B3PW91/6-311G*
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 3718 3579 23.41      
2 A 3646 3510 22.44      
3 A 3601 3467 14.49      
4 A 3128 3012 26.96      
5 A 3115 2999 37.06      
6 A 3044 2930 22.94      
7 A 3030 2917 32.68      
8 A 3000 2888 49.14      
9 A 1818 1751 509.54      
10 A 1667 1604 161.63      
11 A 1544 1486 2.51      
12 A 1518 1461 5.43      
13 A 1508 1451 9.35      
14 A 1479 1424 21.45      
15 A 1447 1393 263.34      
16 A 1422 1369 32.26      
17 A 1369 1318 19.90      
18 A 1314 1265 1.94      
19 A 1213 1168 19.83      
20 A 1173 1129 1.07      
21 A 1139 1096 27.99      
22 A 1076 1036 16.01      
23 A 1001 964 1.70      
24 A 905 871 2.53      
25 A 827 797 0.63      
26 A 786 757 57.10      
27 A 595 573 58.45      
28 A 560 539 17.01      
29 A 539 519 133.82      
30 A 488 470 26.89      
31 A 383 369 135.02      
32 A 361 348 0.71      
33 A 275 265 3.53      
34 A 195 188 3.29      
35 A 106 102 6.93      
36 A 44 42 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 26516.1 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 25527.0 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 B3PW91/6-311G*
ABC
0.28569 0.06721 0.05584

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.612 -0.224 0.041
H2 -2.663 -0.965 0.844
H3 -3.432 0.482 0.189
H4 -2.777 -0.738 -0.910
C5 -1.275 0.496 0.046
H6 -1.282 1.258 -0.746
H7 -1.136 1.024 0.998
N8 -0.192 -0.443 -0.184
H9 -0.398 -1.425 -0.089
N10 1.467 1.167 0.064
H11 2.456 1.340 -0.021
H12 0.879 1.844 -0.395
C13 1.147 -0.176 -0.020
O14 1.983 -1.057 0.071

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09431.09231.09371.51912.14162.15772.44072.52194.31035.30424.08113.75994.6698
H21.09431.76541.77292.16833.06292.51302.72732.49264.71365.68064.68783.98594.7109
H31.09231.76541.76822.16182.46902.49413.39023.59414.94825.95324.55804.63055.6302
H41.09371.77291.76822.16692.50013.07322.70192.60864.75365.70044.50594.06314.8706
C51.51912.16832.16182.16691.09901.09821.45182.11592.82303.82532.57862.51413.6085
H62.14163.06292.46902.50011.09901.76592.09782.90072.86763.80802.26632.91304.0847
H72.15772.51302.49413.07321.09821.76592.10782.77982.76953.74692.58312.77293.8621
N82.44072.72733.39022.70191.45182.09782.10781.00792.32533.19632.53431.37492.2736
H92.52192.49263.59412.60862.11592.90072.77981.00793.19763.97483.52321.98822.4149
N104.31034.71364.94824.75362.82302.86762.76952.32533.19761.00701.00741.38362.2825
H115.30425.68065.95325.70043.82533.80803.74693.19633.97481.00701.69672.00322.4448
H124.08114.68784.55804.50592.57862.26632.58312.53433.52321.00741.69672.07223.1381
C133.75993.98594.63054.06312.51412.91302.77291.37491.98821.38362.00322.07221.2172
O144.66984.71095.63024.87063.60854.08473.86212.27362.41492.28252.44483.13811.2172

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 108.705 C1 C5 H7 110.011
C1 C5 N8 110.460 H2 C1 H3 107.680
H2 C1 H4 108.251 H2 C1 C5 111.088
H3 C1 H4 107.976 H3 C1 C5 110.696
H4 C1 C5 111.018 C5 N8 H9 117.549
C5 N8 C13 125.578 H6 C5 H7 106.962
H6 C5 N8 109.883 H7 C5 N8 110.736
N8 C13 N10 114.912 N8 C13 O14 122.485
H9 N8 C13 112.195 N10 C13 O14 122.588
H11 N10 H12 114.759 H11 N10 C13 112.903
H12 N10 C13 119.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.697      
2 H 0.232      
3 H 0.235      
4 H 0.235      
5 C -0.283      
6 H 0.213      
7 H 0.232      
8 N -0.604      
9 H 0.354      
10 N -0.804      
11 H 0.358      
12 H 0.344      
13 C 0.598      
14 O -0.412      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.111 2.691 -0.649 4.165
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.208 6.994 -1.555
y 6.994 -34.751 -1.732
z -1.555 -1.732 -38.051
Traceless
 xyz
x -1.807 6.994 -1.555
y 6.994 3.378 -1.732
z -1.555 -1.732 -1.571
Polar
3z2-r2-3.143
x2-y2-3.457
xy6.994
xz-1.555
yz-1.732


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> 201.951
(<r2>)1/2 14.211