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

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-299.836233
Energy at 298.15K-299.846160
Nuclear repulsion energy237.704617
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 B1B95/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 3801 3356 0.03      
2 A 3686 3255 1.32      
3 A 3600 3179 2.59      
4 A 3520 3108 0.41      
5 A 3510 3100 0.66      
6 A 3452 3048 2.14      
7 A 3340 2950 0.82      
8 A 3321 2933 9.91      
9 A 1926 1701 108.14      
10 A 1783 1574 24.06      
11 A 1688 1490 2.32      
12 A 1674 1478 3.98      
13 A 1662 1468 3.09      
14 A 1572 1388 6.12      
15 A 1555 1373 8.77      
16 A 1468 1296 12.90      
17 A 1418 1252 143.47      
18 A 1388 1225 43.10      
19 A 1266 1118 12.20      
20 A 1221 1078 13.12      
21 A 1188 1049 39.94      
22 A 1143 1009 15.66      
23 A 1027 907 3.99      
24 A 949 838 0.26      
25 A 859 758 4.11      
26 A 745 657 81.88      
27 A 717 633 184.20      
28 A 619 546 117.70      
29 A 518 458 5.71      
30 A 478 422 15.13      
31 A 390 345 35.06      
32 A 346 305 5.32      
33 A 237 209 0.48      
34 A 204 180 2.02      
35 A 112 99 4.95      
36 A 35 31 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 28208.3 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 24907.9 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 B1B95/STO-3G
ABC
0.26482 0.06395 0.05398

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.673 -0.139 -0.091
H2 -2.832 -1.177 0.230
H3 -3.449 0.488 0.369
H4 -2.781 -0.091 -1.182
C5 -1.273 0.355 0.337
H6 -1.134 1.402 0.020
H7 -1.191 0.332 1.443
N8 -0.216 -0.479 -0.321
H9 -0.372 -1.493 -0.101
N10 1.432 1.264 0.009
H11 2.457 1.422 -0.147
H12 0.914 1.751 -0.762
C13 1.182 -0.175 -0.038
O14 2.058 -1.047 0.134

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09831.09801.09751.54492.18052.18432.49162.67034.33965.36264.11033.85614.8231
H21.09831.78081.78232.18833.09482.53812.76352.50274.91875.90534.85784.14644.8931
H31.09801.78081.78522.17992.51302.50503.44453.68964.95536.00134.68114.69595.7217
H41.09751.78231.78522.18592.52663.09772.73322.98934.58285.54904.15024.12565.1049
C51.54492.18832.17992.18591.10261.10931.49892.10202.87283.90982.81852.53973.6199
H62.18053.09482.51302.52661.10261.78092.12062.99562.56963.59472.22022.80244.0247
H72.18432.53812.50503.09771.10931.78092.17302.52733.13134.12593.36282.84303.7648
N82.49162.76353.44452.73321.49892.12062.17301.04902.42173.28462.53931.45862.3875
H92.67032.50273.68962.98932.10202.99562.52731.04903.29684.06223.55212.03882.4817
N104.33964.91874.95534.58282.87282.56963.13132.42173.29681.04861.04871.46152.3979
H115.36265.90536.00135.54903.90983.59474.12593.28464.06221.04861.69282.04622.5168
H124.11034.85784.68114.15022.81852.22023.36282.53933.55211.04871.69282.07543.1531
C133.85614.14644.69594.12562.53972.80242.84301.45862.03881.46152.04622.07541.2479
O144.82314.89315.72175.10493.61994.02473.76482.38752.48172.39792.51683.15311.2479

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 109.763 C1 C5 H7 109.673
C1 C5 N8 109.878 H2 C1 H3 108.350
H2 C1 H4 108.525 H2 C1 C5 110.624
H3 C1 H4 108.808 H3 C1 C5 109.989
H4 C1 C5 110.487 C5 N8 H9 109.920
C5 N8 C13 118.343 H6 C5 H7 107.250
H6 C5 N8 108.237 H7 C5 N8 111.979
N8 C13 N10 112.055 N8 C13 O14 123.620
H9 N8 C13 107.668 N10 C13 O14 124.324
H11 N10 H12 107.636 H11 N10 C13 108.081
H12 N10 C13 110.458
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.228      
2 H 0.078      
3 H 0.083      
4 H 0.086      
5 C -0.058      
6 H 0.087      
7 H 0.079      
8 N -0.319      
9 H 0.186      
10 N -0.387      
11 H 0.188      
12 H 0.185      
13 C 0.261      
14 O -0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.574 1.187 -0.564 2.051
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.066 4.210 -2.667
y 4.210 -32.963 -2.574
z -2.667 -2.574 -34.289
Traceless
 xyz
x -0.440 4.210 -2.667
y 4.210 1.215 -2.574
z -2.667 -2.574 -0.775
Polar
3z2-r2-1.550
x2-y2-1.103
xy4.210
xz-2.667
yz-2.574


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.648 -0.099 0.212
y -0.099 4.555 -0.227
z 0.212 -0.227 2.355


<r2> (average value of r2) Å2
<r2> 207.550
(<r2>)1/2 14.407