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

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-302.134784
Energy at 298.15K-302.145580
Nuclear repulsion energy246.157733
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 HF/6-311G**
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 3934 3574 40.79      
2 A 3853 3500 35.68      
3 A 3817 3468 37.28      
4 A 3242 2946 44.30      
5 A 3232 2936 60.64      
6 A 3181 2890 32.69      
7 A 3167 2877 18.40      
8 A 3157 2868 53.19      
9 A 1953 1774 686.14      
10 A 1780 1617 177.96      
11 A 1658 1506 3.69      
12 A 1628 1479 6.22      
13 A 1613 1465 12.56      
14 A 1608 1461 14.19      
15 A 1549 1407 209.71      
16 A 1541 1400 120.70      
17 A 1489 1353 34.44      
18 A 1416 1286 4.61      
19 A 1297 1179 18.26      
20 A 1262 1147 3.32      
21 A 1225 1113 48.38      
22 A 1152 1046 14.06      
23 A 1057 960 3.42      
24 A 966 877 3.23      
25 A 889 808 20.99      
26 A 874 794 65.04      
27 A 646 587 57.27      
28 A 612 556 13.58      
29 A 573 521 130.91      
30 A 529 481 45.19      
31 A 416 378 141.62      
32 A 387 351 1.38      
33 A 292 265 2.07      
34 A 215 195 3.30      
35 A 113 103 7.19      
36 A 66 60 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 28192.1 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 25612.5 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 HF/6-311G**
ABC
0.29211 0.06764 0.05637

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.610 -0.213 -0.006
H2 -2.689 -1.015 0.723
H3 -3.420 0.485 0.177
H4 -2.741 -0.637 -0.997
C5 -1.268 0.493 0.107
H6 -1.241 1.306 -0.614
H7 -1.163 0.934 1.096
N8 -0.190 -0.440 -0.167
H9 -0.389 -1.407 -0.043
N10 1.483 1.150 0.035
H11 2.459 1.311 -0.058
H12 0.898 1.820 -0.407
C13 1.142 -0.177 -0.020
O14 1.957 -1.048 0.070

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.08641.08461.08531.52122.13422.15002.43632.52204.31445.29414.07453.75254.6440
H21.08641.75561.76162.16203.04532.50272.71432.45594.75045.70314.70943.99134.6921
H31.08461.75561.75992.15312.45942.47713.37723.57964.94945.94144.55674.61375.5923
H41.08531.76161.75992.15952.48413.05482.68972.65204.70065.63174.42984.03004.8354
C51.52122.16202.15312.15951.08691.08771.45172.09872.82893.81942.59112.50453.5746
H62.13423.04532.45942.48411.08691.75182.08652.90002.80403.74162.20912.86884.0295
H72.15002.50272.47713.05481.08771.75182.10422.71552.85903.82062.70012.79153.8361
N82.43632.71433.37722.68971.45172.08652.10420.99452.31693.17752.51971.36552.2443
H92.52202.45593.57962.65202.09872.90002.71550.99453.16973.93673.49271.96352.3762
N104.31444.75044.94944.70062.82892.80402.85902.31693.16970.99410.99271.37172.2492
H115.29415.70315.94145.63173.81943.74163.82063.17753.93670.99411.67911.98782.4149
H124.07454.70944.55674.42982.59112.20912.70012.51973.49270.99271.67912.04893.0944
C133.75253.99134.61374.03002.50452.86882.79151.36551.96351.37171.98782.04891.1963
O144.64404.69215.59234.83543.57464.02953.83612.24432.37622.24922.41493.09441.1963

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 108.681 C1 C5 H7 109.884
C1 C5 N8 110.045 H2 C1 H3 107.931
H2 C1 H4 108.414 H2 C1 C5 110.916
H3 C1 H4 108.396 H3 C1 C5 110.306
H4 C1 C5 110.784 C5 N8 H9 116.937
C5 N8 C13 125.463 H6 C5 H7 107.336
H6 C5 N8 109.715 H7 C5 N8 111.111
N8 C13 N10 115.655 N8 C13 O14 122.197
H9 N8 C13 111.646 N10 C13 O14 122.142
H11 N10 H12 115.372 H11 N10 C13 113.363
H12 N10 C13 119.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.271      
2 H 0.098      
3 H 0.102      
4 H 0.105      
5 C 0.009      
6 H 0.081      
7 H 0.103      
8 N -0.539      
9 H 0.241      
10 N -0.528      
11 H 0.236      
12 H 0.218      
13 C 0.660      
14 O -0.514      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.243 2.926 -0.563 4.404
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.949 7.255 -1.741
y 7.255 -35.407 -1.823
z -1.741 -1.823 -37.938
Traceless
 xyz
x -2.276 7.255 -1.741
y 7.255 3.036 -1.823
z -1.741 -1.823 -0.760
Polar
3z2-r2-1.520
x2-y2-3.541
xy7.255
xz-1.741
yz-1.823


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.370 -0.210 0.088
y -0.210 7.057 -0.064
z 0.088 -0.064 5.188


<r2> (average value of r2) Å2
<r2> 200.549
(<r2>)1/2 14.162