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

using model chemistry: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-303.839730
Energy at 298.15K-303.850035
Nuclear repulsion energy244.446533
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 mPW1PW91/6-31+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 3768 3586 47.15      
2 A 3688 3510 41.48      
3 A 3638 3463 27.48      
4 A 3166 3014 19.29      
5 A 3154 3002 25.05      
6 A 3072 2924 19.49      
7 A 3065 2917 26.03      
8 A 3028 2882 45.05      
9 A 1809 1722 612.25      
10 A 1640 1561 195.09      
11 A 1540 1466 3.68      
12 A 1514 1441 4.95      
13 A 1503 1431 9.56      
14 A 1476 1405 148.90      
15 A 1462 1392 153.15      
16 A 1426 1357 22.60      
17 A 1367 1301 16.60      
18 A 1309 1246 1.36      
19 A 1220 1161 21.22      
20 A 1174 1118 1.22      
21 A 1131 1077 16.37      
22 A 1079 1027 14.95      
23 A 1012 963 1.97      
24 A 910 866 2.88      
25 A 830 790 0.94      
26 A 774 736 39.60      
27 A 587 559 37.68      
28 A 556 529 12.95      
29 A 524 498 122.40      
30 A 464 441 20.87      
31 A 368 350 112.62      
32 A 363 345 47.13      
33 A 269 256 3.07      
34 A 196 187 4.12      
35 A 98 93 5.52      
36 A 51 49 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 26614.8 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 25332.0 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 mPW1PW91/6-31+G**
ABC
0.28695 0.06709 0.05570

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.614 -0.227 0.033
H2 -2.674 -0.941 0.859
H3 -3.433 0.487 0.147
H4 -2.766 -0.768 -0.905
C5 -1.278 0.497 0.034
H6 -1.273 1.231 -0.783
H7 -1.156 1.052 0.973
N8 -0.192 -0.447 -0.143
H9 -0.396 -1.431 -0.070
N10 1.471 1.165 0.061
H11 2.457 1.342 -0.039
H12 0.860 1.858 -0.339
C13 1.144 -0.173 -0.015
O14 1.990 -1.056 0.053

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09381.09191.09341.51942.14272.15532.43872.52634.31595.30904.06883.75874.6779
H21.09381.76641.77472.16723.06262.50762.72212.50914.71755.68764.66483.99144.7343
H31.09191.76641.76852.15772.46702.48713.38523.59844.95135.95474.53284.62675.6383
H41.09341.77471.76852.16672.49853.07112.70352.59834.75595.69924.51274.05334.8592
C51.51942.16722.15772.16671.09871.09791.44972.12272.82933.83042.56202.51323.6178
H62.14273.06262.46702.49851.09871.76952.09622.89222.87133.80502.26692.89834.0709
H72.15532.50762.48713.07111.09791.76952.10252.79852.78353.76362.53722.78673.8966
N82.43872.72213.38522.70351.44972.09622.10251.00782.32463.19802.54111.36942.2733
H92.52632.50913.59842.59832.12272.89222.79851.00783.20023.97873.53101.98912.4178
N104.31594.71754.95134.75592.82932.87132.78352.32463.20021.00691.00671.37922.2805
H115.30905.68765.95475.69923.83043.80503.76363.19803.97871.00691.70512.00492.4446
H124.06884.66484.53284.51272.56202.26692.53722.54113.53101.00671.70512.07593.1497
C133.75873.99144.62674.05332.51322.89832.78671.36941.98911.37922.00492.07591.2247
O144.67794.73435.63834.85923.61784.07093.89662.27332.41782.28052.44463.14971.2247

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 109.823
C1 C5 N8 110.419 H2 C1 H3 107.834
H2 C1 H4 108.471 H2 C1 C5 111.011
H3 C1 H4 108.048 H3 C1 C5 110.367
H4 C1 C5 110.998 C5 N8 H9 118.379
C5 N8 C13 126.107 H6 C5 H7 107.334
H6 C5 N8 109.926 H7 C5 N8 110.479
N8 C13 N10 115.508 N8 C13 O14 122.308
H9 N8 C13 112.717 N10 C13 O14 122.168
H11 N10 H12 115.731 H11 N10 C13 113.421
H12 N10 C13 120.133
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.677      
2 H 0.183      
3 H 0.179      
4 H 0.185      
5 C -0.145      
6 H 0.155      
7 H 0.180      
8 N -0.449      
9 H 0.336      
10 N -0.618      
11 H 0.337      
12 H 0.293      
13 C 0.602      
14 O -0.561      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.566 2.946 -0.607 4.665
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.079 7.499 -1.387
y 7.499 -35.348 -1.604
z -1.387 -1.604 -38.717
Traceless
 xyz
x -2.047 7.499 -1.387
y 7.499 3.550 -1.604
z -1.387 -1.604 -1.503
Polar
3z2-r2-3.005
x2-y2-3.731
xy7.499
xz-1.387
yz-1.604


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> 202.642
(<r2>)1/2 14.235