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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-303.537561
Energy at 298.15K-303.547907
Nuclear repulsion energy242.296218
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 PBEPBE/cc-pVDZ
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 3572 3551 23.23      
2 A 3500 3479 18.16      
3 A 3448 3428 6.48      
4 A 3072 3054 17.30      
5 A 3054 3036 24.60      
6 A 2974 2957 20.45      
7 A 2946 2929 37.69      
8 A 2915 2898 45.46      
9 A 1764 1753 383.90      
10 A 1546 1537 143.39      
11 A 1451 1443 1.47      
12 A 1428 1420 2.88      
13 A 1416 1408 8.07      
14 A 1396 1388 164.68      
15 A 1392 1384 62.04      
16 A 1349 1341 13.65      
17 A 1298 1291 21.90      
18 A 1245 1238 7.58      
19 A 1164 1158 17.89      
20 A 1111 1105 1.56      
21 A 1095 1088 23.20      
22 A 1040 1034 18.33      
23 A 970 965 1.38      
24 A 875 870 1.64      
25 A 794 789 1.66      
26 A 747 743 46.33      
27 A 598 595 41.17      
28 A 570 567 112.83      
29 A 533 530 33.41      
30 A 486 483 48.89      
31 A 391 389 65.73      
32 A 350 348 0.26      
33 A 274 272 2.49      
34 A 190 189 1.89      
35 A 119 118 7.22      
36 A 66 66 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 25568.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 25420.0 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 PBEPBE/cc-pVDZ
ABC
0.28094 0.06617 0.05510

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.633 -0.212 -0.017
H2 -2.728 -1.065 0.687
H3 -3.456 0.496 0.203
H4 -2.770 -0.599 -1.047
C5 -1.277 0.471 0.134
H6 -1.235 1.341 -0.562
H7 -1.166 0.887 1.164
N8 -0.197 -0.456 -0.191
H9 -0.382 -1.445 0.001
N10 1.463 1.190 0.045
H11 2.462 1.350 -0.107
H12 0.868 1.832 -0.485
C13 1.156 -0.173 -0.026
O14 2.009 -1.056 0.077

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.11021.10741.10881.52572.15932.17962.45412.56654.32935.32934.08043.78864.7185
H21.11021.78911.79562.18473.09502.54512.74702.47344.80215.77904.76414.04804.7756
H31.10741.78911.79712.18032.49662.51383.41783.64094.97025.98714.57754.66545.6820
H41.10881.79561.79712.18352.52103.10882.71542.74164.72335.66174.41104.07864.9302
C51.52572.18472.18032.18351.11431.11611.46012.11902.83383.84802.61422.52143.6237
H62.15933.09502.49662.52101.11431.78532.10832.96732.76923.72432.16032.87974.0833
H72.17962.54512.51383.10881.11611.78532.13952.72102.87323.87162.78372.81573.8777
N82.45412.74703.41782.71541.46012.10832.13951.02372.34973.21572.54121.39202.3014
H92.56652.47343.64092.74162.11902.96732.72101.02373.21673.98903.54071.99582.4231
N104.32934.80214.97024.72332.83382.76922.87322.34973.21671.02281.02401.39852.3116
H115.32935.77905.98715.66173.84803.72433.87163.21573.98901.02281.70772.00812.4560
H124.08044.76414.57754.41102.61422.16032.78372.54123.54071.02401.70772.07693.1560
C133.78864.04804.66544.07862.52142.87972.81571.39201.99581.39852.00812.07691.2323
O144.71854.77565.68204.93023.62374.08333.87772.30142.42312.31162.45603.15601.2323

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 108.757 C1 C5 H7 110.229
C1 C5 N8 110.542 H2 C1 H3 107.565
H2 C1 H4 108.031 H2 C1 C5 110.972
H3 C1 H4 108.370 H3 C1 C5 110.803
H4 C1 C5 110.972 C5 N8 H9 116.001
C5 N8 C13 124.255 H6 C5 H7 106.345
H6 C5 N8 109.229 H7 C5 N8 111.608
N8 C13 N10 114.714 N8 C13 O14 122.433
H9 N8 C13 110.493 N10 C13 O14 122.837
H11 N10 H12 113.094 H11 N10 C13 111.112
H12 N10 C13 117.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.081      
2 H 0.044      
3 H 0.042      
4 H 0.047      
5 C 0.004      
6 H 0.033      
7 H 0.037      
8 N -0.153      
9 H 0.095      
10 N -0.114      
11 H 0.100      
12 H 0.089      
13 C 0.125      
14 O -0.268      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.776 2.400 -0.593 3.717
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.052 6.373 -1.762
y 6.373 -34.855 -2.005
z -1.762 -2.005 -37.606
Traceless
 xyz
x -1.822 6.373 -1.762
y 6.373 2.974 -2.005
z -1.762 -2.005 -1.152
Polar
3z2-r2-2.305
x2-y2-3.198
xy6.373
xz-1.762
yz-2.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.981 -0.008 0.078
y -0.008 8.033 -0.144
z 0.078 -0.144 5.361


<r2> (average value of r2) Å2
<r2> 204.442
(<r2>)1/2 14.298