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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-299.927694
Energy at 298.15K-299.937525
Nuclear repulsion energy236.107298
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/STO-3G
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 3752 3349 0.39      
2 A 3633 3242 0.92      
3 A 3553 3170 1.72      
4 A 3490 3115 1.11      
5 A 3481 3107 1.28      
6 A 3429 3060 2.15      
7 A 3315 2958 1.28      
8 A 3296 2941 10.96      
9 A 1887 1684 97.12      
10 A 1776 1585 20.35      
11 A 1689 1508 2.16      
12 A 1677 1497 3.52      
13 A 1661 1483 2.74      
14 A 1571 1402 1.74      
15 A 1546 1380 6.90      
16 A 1462 1304 16.92      
17 A 1394 1244 129.66      
18 A 1371 1224 40.03      
19 A 1256 1121 7.27      
20 A 1209 1079 13.41      
21 A 1166 1041 66.01      
22 A 1126 1005 9.07      
23 A 1012 903 4.74      
24 A 942 841 0.78      
25 A 855 763 4.46      
26 A 740 661 91.18      
27 A 724 647 183.80      
28 A 613 547 99.62      
29 A 512 457 4.83      
30 A 469 419 11.28      
31 A 356 318 30.85      
32 A 342 305 7.04      
33 A 233 208 0.51      
34 A 193 172 1.94      
35 A 106 94 5.15      
36 A 38 34 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 27937.6 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 24931.6 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/STO-3G
ABC
0.26089 0.06295 0.05337

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.693 -0.115 -0.110
H2 -2.872 -1.177 0.120
H3 -3.466 0.485 0.394
H4 -2.784 0.028 -1.197
C5 -1.281 0.320 0.379
H6 -1.116 1.389 0.151
H7 -1.214 0.201 1.482
N8 -0.218 -0.484 -0.338
H9 -0.359 -1.508 -0.133
N10 1.439 1.279 0.003
H11 2.469 1.433 -0.150
H12 0.930 1.757 -0.785
C13 1.190 -0.173 -0.041
O14 2.071 -1.046 0.137

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.10101.10081.10011.55622.19462.19612.51262.71834.36275.39004.13363.88454.8608
H21.10101.78611.78722.19963.10902.55002.78072.54724.96305.95124.88674.18754.9448
H31.10081.78611.79032.19132.52982.51763.46763.72894.98486.03574.72594.72305.7511
H41.10011.78721.79032.19712.53963.11022.75373.06164.56545.53824.11744.14425.1487
C51.55622.19962.19132.19711.10491.11181.51352.11062.90903.94812.88242.55513.6284
H62.19463.10902.52982.53961.10491.78712.13313.00712.56193.59832.27962.79184.0108
H72.19612.55002.51763.11021.11181.78712.18502.50163.22334.21323.48682.87043.7624
N82.51262.78073.46762.75371.51352.13312.18501.05412.44353.30672.55691.47292.4051
H92.71832.54723.72893.06162.11063.00712.50161.05413.31944.08053.57012.04702.4883
N104.36274.96304.98484.56542.90902.56193.22332.44353.31941.05291.05311.47392.4133
H115.39005.95126.03575.53823.94813.59834.21323.30674.08051.05291.69662.05642.5277
H124.13364.88674.72594.11742.88242.27963.48682.55693.57011.05311.69662.08493.1640
C133.88454.18754.72304.14422.55512.79182.87041.47292.04701.47392.05642.08491.2530
O144.86084.94485.75115.14873.62844.01083.76242.40512.48832.41332.52773.16401.2530

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 109.959 C1 C5 H7 109.675
C1 C5 N8 109.859 H2 C1 H3 108.425
H2 C1 H4 108.568 H2 C1 C5 110.576
H3 C1 H4 108.860 H3 C1 C5 109.930
H4 C1 C5 110.430 C5 N8 H9 109.260
C5 N8 C13 117.641 H6 C5 H7 107.459
H6 C5 N8 108.087 H7 C5 N8 111.752
N8 C13 N10 112.039 N8 C13 O14 123.652
H9 N8 C13 107.036 N10 C13 O14 124.304
H11 N10 H12 107.333 H11 N10 C13 107.778
H12 N10 C13 110.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.218      
2 H 0.075      
3 H 0.079      
4 H 0.083      
5 C -0.053      
6 H 0.086      
7 H 0.074      
8 N -0.312      
9 H 0.179      
10 N -0.378      
11 H 0.182      
12 H 0.180      
13 C 0.258      
14 O -0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.488 1.114 -0.533 1.933
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.061 4.121 -2.719
y 4.121 -33.047 -2.532
z -2.719 -2.532 -34.340
Traceless
 xyz
x -0.367 4.121 -2.719
y 4.121 1.153 -2.532
z -2.719 -2.532 -0.787
Polar
3z2-r2-1.573
x2-y2-1.014
xy4.121
xz-2.719
yz-2.532


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.795 -0.075 0.209
y -0.075 4.630 -0.225
z 0.209 -0.225 2.417


<r2> (average value of r2) Å2
<r2> 210.068
(<r2>)1/2 14.494