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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-304.012580
Energy at 298.15K-304.022913
Nuclear repulsion energy244.189788
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/cc-pVTZ
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 3694 3570 33.65      
2 A 3622 3501 28.18      
3 A 3579 3459 19.22      
4 A 3108 3004 23.95      
5 A 3094 2990 30.81      
6 A 3033 2931 19.94      
7 A 3008 2908 29.98      
8 A 2989 2889 41.09      
9 A 1776 1716 501.23      
10 A 1625 1570 142.30      
11 A 1534 1483 3.25      
12 A 1506 1456 4.47      
13 A 1497 1447 6.69      
14 A 1462 1413 11.98      
15 A 1426 1378 205.16      
16 A 1419 1371 79.54      
17 A 1370 1324 30.27      
18 A 1305 1262 3.31      
19 A 1197 1157 16.36      
20 A 1169 1130 1.14      
21 A 1121 1084 35.09      
22 A 1063 1027 15.22      
23 A 988 955 2.26      
24 A 896 866 2.54      
25 A 827 799 0.74      
26 A 775 749 37.20      
27 A 589 569 42.38      
28 A 553 535 10.00      
29 A 519 502 114.30      
30 A 476 461 19.49      
31 A 377 365 127.69      
32 A 361 349 1.69      
33 A 266 258 2.08      
34 A 196 190 3.68      
35 A 102 99 5.11      
36 A 49 47 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 26283.5 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 25405.6 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/cc-pVTZ
ABC
0.28721 0.06674 0.05547

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.623 -0.221 -0.002
H2 -2.703 -0.990 0.769
H3 -3.440 0.485 0.145
H4 -2.754 -0.697 -0.974
C5 -1.281 0.492 0.079
H6 -1.249 1.273 -0.688
H7 -1.182 0.991 1.049
N8 -0.192 -0.449 -0.134
H9 -0.394 -1.429 -0.023
N10 1.478 1.168 0.045
H11 2.460 1.343 -0.084
H12 0.861 1.849 -0.363
C13 1.150 -0.175 -0.016
O14 1.991 -1.055 0.052

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09151.08941.09061.52182.14262.15622.44532.53504.32985.31864.06833.77304.6889
H21.09151.76231.76892.16643.05882.51262.72282.48014.75995.72924.69454.01554.7488
H31.08941.76231.76632.15942.47252.48363.39073.60064.96545.96584.53984.63925.6452
H41.09061.76891.76632.16622.49513.06802.70792.64764.73525.66874.46294.05324.8678
C51.52182.16642.15942.16621.09511.09521.45492.11812.84063.83992.57362.52243.6193
H62.14263.05882.47252.49511.09511.76122.09512.91062.82563.75832.21092.88124.0576
H72.15622.51262.48363.06801.09521.76122.11012.76132.84873.83072.62772.81653.9048
N82.44532.72283.39072.70791.45492.09512.11011.00672.33083.20052.53761.37432.2730
H92.53502.48013.60062.64762.11812.91062.76131.00673.20163.97873.52601.98892.4153
N104.32984.75994.96544.73522.84062.82562.84872.33083.20161.00591.00571.38362.2812
H115.31865.72925.96585.66873.83993.75833.83073.20053.97871.00591.70042.00612.4469
H124.06834.69454.53984.46292.57362.21092.62772.53763.52601.00571.70042.07353.1436
C133.77304.01554.63924.05322.52242.88122.81651.37431.98891.38362.00612.07351.2193
O144.68894.74885.64524.86783.61934.05763.90482.27302.41532.28122.44693.14361.2193

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 108.824 C1 C5 H7 109.882
C1 C5 N8 110.443 H2 C1 H3 107.818
H2 C1 H4 108.318 H2 C1 C5 110.916
H3 C1 H4 108.238 H3 C1 C5 110.486
H4 C1 C5 110.955 C5 N8 H9 117.576
C5 N8 C13 126.120 H6 C5 H7 107.043
H6 C5 N8 109.681 H7 C5 N8 110.886
N8 C13 N10 115.382 N8 C13 O14 122.308
H9 N8 C13 112.383 N10 C13 O14 122.299
H11 N10 H12 115.401 H11 N10 C13 113.235
H12 N10 C13 119.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.309     -0.369
2 H 0.100     0.108
3 H 0.103     0.082
4 H 0.105     0.099
5 C -0.053     0.436
6 H 0.070     -0.028
7 H 0.089     -0.030
8 N -0.158     -0.690
9 H 0.141     0.328
10 N -0.257     -0.812
11 H 0.160     0.362
12 H 0.146     0.323
13 C 0.234     0.795
14 O -0.369     -0.603


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.245 2.750 -0.547 4.289
CHELPG        
AIM        
ESP -3.276 2.727 -0.590 4.303


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.038 7.012 -1.442
y 7.012 -35.407 -1.647
z -1.442 -1.647 -38.185
Traceless
 xyz
x -2.242 7.012 -1.442
y 7.012 3.204 -1.647
z -1.442 -1.647 -0.962
Polar
3z2-r2-1.924
x2-y2-3.631
xy7.012
xz-1.442
yz-1.647


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.292 -0.098 0.055
y -0.098 8.393 -0.050
z 0.055 -0.050 6.044


<r2> (average value of r2) Å2
<r2> 203.214
(<r2>)1/2 14.255