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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-303.721038
Energy at 298.15K-303.731544
Nuclear repulsion energy243.252427
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 mPW1PW91/6-31G
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 3824 3620 41.17      
2 A 3705 3507 34.08      
3 A 3683 3487 35.73      
4 A 3178 3008 22.49      
5 A 3166 2997 29.93      
6 A 3079 2915 18.97      
7 A 3058 2895 42.14      
8 A 3025 2864 41.48      
9 A 1770 1675 449.38      
10 A 1684 1594 193.39      
11 A 1584 1499 4.09      
12 A 1556 1473 12.51      
13 A 1547 1464 10.12      
14 A 1512 1431 184.69      
15 A 1491 1411 124.38      
16 A 1466 1387 44.59      
17 A 1405 1330 15.57      
18 A 1333 1261 0.27      
19 A 1238 1172 18.52      
20 A 1208 1143 3.10      
21 A 1142 1081 8.45      
22 A 1092 1034 10.96      
23 A 1030 975 0.32      
24 A 926 877 3.63      
25 A 865 819 0.52      
26 A 788 746 143.51      
27 A 578 547 7.27      
28 A 576 546 213.09      
29 A 549 520 16.68      
30 A 526 498 0.09      
31 A 409 387 197.46      
32 A 370 350 0.01      
33 A 267 253 0.04      
34 A 200 190 6.08      
35 A 114 108 1.97      
36 A 58 55 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 27000.1 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 25558.3 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 mPW1PW91/6-31G
ABC
0.28552 0.06633 0.05494

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.626 -0.234 0.001
H2 2.724 -0.866 -0.887
H3 3.455 0.478 0.001
H4 2.723 -0.866 0.888
C5 1.290 0.498 -0.000
H6 1.230 1.146 0.886
H7 1.232 1.146 -0.886
N8 0.193 -0.456 -0.001
H9 0.402 -1.440 -0.001
N10 -1.473 1.169 0.000
H11 -2.451 1.394 0.001
H12 -0.802 1.913 -0.000
C13 -1.148 -0.165 -0.000
O14 -2.020 -1.061 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09401.09231.09401.52392.15352.15352.44312.53054.33315.33184.04503.77544.7194
H21.09401.76891.77592.16853.06952.50502.71212.55064.74775.71584.57564.03374.8299
H31.09231.76891.76902.16532.48552.48533.39253.60564.97645.97624.49204.64795.6870
H41.09401.77591.76902.16852.50483.06952.71232.55114.74715.71494.57524.03324.8291
C51.52392.16852.16532.16851.09951.09951.45312.13172.84333.84632.52522.52653.6583
H62.15353.06952.48552.50481.09951.77212.10442.85702.84533.79422.34592.85694.0273
H72.15352.50502.48533.06951.09951.77212.10442.85692.84643.79562.34652.85804.0286
N82.44312.71213.39252.71231.45312.10442.10441.00622.32753.22712.56941.37302.2946
H92.53052.55063.60562.55112.13172.85702.85691.00623.21294.02143.56272.00762.4515
N104.33314.74774.97644.74712.84332.84532.84642.32753.21291.00311.00251.37242.2954
H115.33185.71585.97625.71493.84633.79423.79563.22714.02141.00311.72862.03142.4925
H124.04504.57564.49204.57522.52522.34592.34652.56943.56271.00251.72862.10633.2135
C133.77544.03374.64794.03322.52652.85692.85801.37302.00761.37242.03142.10631.2500
O144.71944.82995.68704.82913.65834.02734.02862.29462.45152.29542.49253.21351.2500

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 109.271 C1 C5 H7 109.272
C1 C5 N8 110.278 H2 C1 H3 108.012
H2 C1 H4 108.516 H2 C1 C5 110.785
H3 C1 H4 108.017 H3 C1 C5 110.623
H4 C1 C5 110.786 C5 N8 H9 119.062
C5 N8 C13 126.734 H6 C5 H7 107.383
H6 C5 N8 110.287 H7 C5 N8 110.292
N8 C13 N10 115.941 N8 C13 O14 121.966
H9 N8 C13 114.205 N10 C13 O14 122.093
H11 N10 H12 119.067 H11 N10 C13 116.692
H12 N10 C13 124.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.522      
2 H 0.183      
3 H 0.180      
4 H 0.183      
5 C -0.128      
6 H 0.176      
7 H 0.176      
8 N -0.701      
9 H 0.357      
10 N -0.810      
11 H 0.361      
12 H 0.344      
13 C 0.713      
14 O -0.511      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.738 3.257 0.001 4.958
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.923 -8.071 -0.001
y -8.071 -33.802 0.004
z -0.001 0.004 -38.230
Traceless
 xyz
x -2.907 -8.071 -0.001
y -8.071 4.775 0.004
z -0.001 0.004 -1.868
Polar
3z2-r2-3.736
x2-y2-5.121
xy-8.071
xz-0.001
yz0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.616 0.307 -0.001
y 0.307 7.240 0.000
z -0.001 0.000 4.429


<r2> (average value of r2) Å2
<r2> 204.264
(<r2>)1/2 14.292