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

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-57.500479
Energy at 298.15K-57.510781
Nuclear repulsion energy134.745299
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/CEP-121G
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 3745 3650 23.64      
2 A 3613 3521 19.30      
3 A 3590 3498 22.85      
4 A 3093 3014 42.99      
5 A 3083 3005 53.59      
6 A 2996 2919 28.59      
7 A 2992 2916 47.18      
8 A 2956 2880 59.75      
9 A 1681 1638 375.66      
10 A 1631 1589 269.28      
11 A 1552 1513 6.93      
12 A 1525 1486 15.05      
13 A 1518 1479 9.44      
14 A 1461 1424 51.67      
15 A 1439 1402 7.64      
16 A 1423 1386 314.33      
17 A 1371 1336 25.25      
18 A 1303 1269 0.02      
19 A 1194 1163 16.22      
20 A 1177 1147 1.68      
21 A 1105 1077 17.61      
22 A 1056 1029 15.35      
23 A 985 960 0.48      
24 A 887 864 2.56      
25 A 837 816 0.83      
26 A 733 714 66.81      
27 A 551 537 7.60      
28 A 545 531 166.30      
29 A 521 508 17.18      
30 A 479 467 0.03      
31 A 377 368 228.49      
32 A 354 345 0.04      
33 A 260 254 0.00      
34 A 193 188 6.35      
35 A 100 98 1.11      
36 A 60 59 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 26192.4 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 25524.5 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/CEP-121G
ABC
0.27802 0.06428 0.05326

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.641 -0.215 0.000
H2 2.749 -0.847 -0.891
H3 3.460 0.515 0.000
H4 2.749 -0.847 0.891
C5 1.277 0.509 0.000
H6 1.207 1.156 0.890
H7 1.208 1.157 -0.889
N8 0.175 -0.475 -0.000
H9 0.395 -1.463 -0.000
N10 -1.548 1.152 -0.000
H11 -2.537 1.353 0.000
H12 -0.886 1.913 0.000
C13 -1.190 -0.197 -0.000
O14 -2.065 -1.119 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09791.09651.09791.54502.17462.17452.48062.57014.40715.41064.11973.83184.7921
H21.09791.77591.78202.19113.09232.52822.74962.59154.82255.79464.65044.09094.9031
H31.09651.77591.77602.18372.50572.50563.43143.64805.04886.05544.56594.70455.7611
H41.09791.78201.77602.19112.52823.09232.74972.59134.82265.79454.65054.09084.9027
C51.54502.19112.18372.19111.10271.10271.47722.16022.89713.90582.57852.56563.7164
H62.17463.09232.50572.52821.10271.77922.12622.88362.89583.85352.39742.89334.0833
H72.17452.52822.50563.09231.10271.77922.12622.88382.89593.85382.39732.89364.0838
N82.48062.74963.43142.74971.47722.12622.12621.01262.36953.27022.61261.39292.3298
H92.57012.59153.64802.59132.16022.88362.88381.01263.25814.06563.61092.02912.4835
N104.40714.82255.04884.82262.89712.89582.89592.36953.25811.00891.00841.39522.3286
H115.41065.79466.05545.79453.90583.85353.85383.27024.06561.00891.74262.05322.5168
H124.11974.65044.56594.65052.57852.39742.39732.61263.61091.00841.74262.13103.2523
C133.83184.09094.70454.09082.56562.89332.89361.39292.02911.39522.05322.13101.2707
O144.79214.90315.76114.90273.71644.08334.08382.32982.48352.32862.51683.25231.2707

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 109.298 C1 C5 H7 109.296
C1 C5 N8 110.312 H2 C1 H3 108.058
H2 C1 H4 108.503 H2 C1 C5 110.875
H3 C1 H4 108.060 H3 C1 C5 110.367
H4 C1 C5 110.876 C5 N8 H9 119.185
C5 N8 C13 126.717 H6 C5 H7 107.570
H6 C5 N8 110.157 H7 C5 N8 110.156
N8 C13 N10 116.396 N8 C13 O14 121.948
H9 N8 C13 114.097 N10 C13 O14 121.656
H11 N10 H12 119.507 H11 N10 C13 116.389
H12 N10 C13 124.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.537      
2 H 0.165      
3 H 0.161      
4 H 0.165      
5 C -0.178      
6 H 0.151      
7 H 0.151      
8 N -0.265      
9 H 0.326      
10 N -0.518      
11 H 0.330      
12 H 0.314      
13 C -0.033      
14 O -0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.886 3.472 0.001 5.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.174 -8.783 -0.001
y -8.783 -35.116 0.002
z -0.001 0.002 -39.036
Traceless
 xyz
x -3.098 -8.783 -0.001
y -8.783 4.489 0.002
z -0.001 0.002 -1.391
Polar
3z2-r2-2.782
x2-y2-5.058
xy-8.783
xz-0.001
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.677 0.348 0.000
y 0.348 8.142 -0.002
z 0.000 -0.002 5.572


<r2> (average value of r2) Å2
<r2> 170.813
(<r2>)1/2 13.070