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

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-302.212977
Energy at 298.15K-302.223147
Nuclear repulsion energy242.368555
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 B3LYP/3-21G*
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 3690 3550 29.18      
2 A 3586 3450 26.17      
3 A 3564 3429 24.12      
4 A 3132 3013 21.25      
5 A 3125 3006 28.87      
6 A 3059 2943 15.20      
7 A 3017 2903 41.15      
8 A 2995 2881 40.76      
9 A 1763 1696 353.88      
10 A 1670 1607 119.72      
11 A 1594 1534 8.25      
12 A 1572 1513 9.48      
13 A 1562 1503 7.59      
14 A 1478 1422 8.47      
15 A 1456 1401 1.37      
16 A 1412 1358 280.26      
17 A 1381 1329 91.91      
18 A 1331 1280 0.67      
19 A 1204 1158 16.82      
20 A 1196 1151 2.40      
21 A 1110 1068 22.34      
22 A 1058 1017 17.55      
23 A 981 943 0.87      
24 A 902 867 3.19      
25 A 864 832 0.75      
26 A 796 765 101.47      
27 A 565 543 10.21      
28 A 551 530 138.17      
29 A 538 518 14.88      
30 A 458 440 1.52      
31 A 366 352 1.02      
32 A 336 324 229.33      
33 A 269 258 1.97      
34 A 198 191 5.15      
35 A 71 69 1.18      
36 A 27 26 5.73      

Unscaled Zero Point Vibrational Energy (zpe) 26436.6 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 25432.0 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 B3LYP/3-21G*
ABC
0.28325 0.06592 0.05460

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.638 -0.240 0.029
H2 2.751 -0.873 -0.858
H3 3.465 0.475 0.054
H4 2.694 -0.871 0.923
C5 1.289 0.498 -0.014
H6 1.202 1.143 0.873
H7 1.264 1.147 -0.903
N8 0.188 -0.469 -0.047
H9 0.406 -1.459 -0.065
N10 -1.451 1.180 0.014
H11 -2.428 1.435 0.045
H12 -0.756 1.908 -0.064
C13 -1.164 -0.172 -0.004
O14 -2.042 -1.049 0.020

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09521.09411.09501.53872.16512.16362.46122.54474.32815.33574.01773.80214.7495
H21.09521.77701.78152.17473.07542.50842.71752.54374.75655.74114.54544.06714.8759
H31.09411.77701.77792.17792.49832.49263.41173.62144.96645.97104.45954.67425.7148
H41.09501.78151.77792.17402.50693.07402.71682.56124.71275.68544.53864.02854.8251
C51.53872.17472.17792.17401.10001.10091.46532.14732.82293.83332.48422.54213.6729
H62.16513.07542.49832.50691.10001.77702.11502.87792.78823.73452.30122.84484.0072
H72.16362.50842.49263.07401.10091.77702.12132.86812.86523.82232.31582.90514.0749
N82.46122.71753.41172.71681.46532.11502.12131.01312.32593.23742.55821.38492.3059
H92.54472.54373.62142.56122.14732.87792.86811.01313.22704.05163.56162.03012.4834
N104.32814.75654.96644.71272.82292.78822.86522.32593.22701.01061.00951.38232.3064
H115.33575.74115.97105.68543.83333.73453.82233.23744.05161.01061.74112.04562.5143
H124.01774.54544.45954.53862.48422.30122.31582.55823.56161.00951.74112.12083.2263
C133.80214.06714.67424.02852.54212.84482.90511.38492.03011.38232.04562.12081.2419
O144.74954.87595.71484.82513.67294.00724.07492.30592.48342.30642.51433.22631.2419

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 109.149 C1 C5 H7 108.979
C1 C5 N8 110.011 H2 C1 H3 108.518
H2 C1 H4 108.860 H2 C1 C5 110.175
H3 C1 H4 108.614 H3 C1 C5 110.493
H4 C1 C5 110.133 C5 N8 H9 118.955
C5 N8 C13 126.201 H6 C5 H7 107.689
H6 C5 N8 110.255 H7 C5 N8 110.706
N8 C13 N10 114.390 N8 C13 O14 122.676
H9 N8 C13 114.792 N10 C13 O14 122.933
H11 N10 H12 119.052 H11 N10 C13 116.634
H12 N10 C13 124.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.576      
2 H 0.203      
3 H 0.201      
4 H 0.204      
5 C -0.195      
6 H 0.196      
7 H 0.192      
8 N -0.710      
9 H 0.319      
10 N -0.780      
11 H 0.318      
12 H 0.307      
13 C 0.862      
14 O -0.541      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.265 2.860 -0.106 4.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.411 -7.178 0.091
y -7.178 -33.311 -0.053
z 0.091 -0.053 -37.787
Traceless
 xyz
x -2.862 -7.178 0.091
y -7.178 4.788 -0.053
z 0.091 -0.053 -1.925
Polar
3z2-r2-3.851
x2-y2-5.100
xy-7.178
xz0.091
yz-0.053


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.305 0.215 -0.093
y 0.215 6.825 -0.005
z -0.093 -0.005 3.985


<r2> (average value of r2) Å2
<r2> 204.992
(<r2>)1/2 14.318