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

using model chemistry: HF/6-31G**

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/6-31G**
 hartrees
Energy at 0K-302.068002
Energy at 298.15K-302.078757
Nuclear repulsion energy246.028957
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/6-31G**
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 3966 3579 46.97      
2 A 3879 3501 41.31      
3 A 3840 3466 40.31      
4 A 3269 2951 38.80      
5 A 3259 2941 51.89      
6 A 3202 2890 37.93      
7 A 3189 2878 20.47      
8 A 3172 2863 51.00      
9 A 1970 1778 654.65      
10 A 1784 1611 192.54      
11 A 1668 1505 4.13      
12 A 1635 1476 4.07      
13 A 1622 1464 8.07      
14 A 1615 1458 33.82      
15 A 1564 1412 261.55      
16 A 1553 1402 52.60      
17 A 1494 1348 31.08      
18 A 1418 1280 3.85      
19 A 1304 1177 20.67      
20 A 1270 1146 3.27      
21 A 1225 1106 37.03      
22 A 1157 1044 12.52      
23 A 1062 959 2.97      
24 A 970 876 2.79      
25 A 890 803 10.69      
26 A 870 785 95.44      
27 A 644 581 60.58      
28 A 609 550 15.52      
29 A 574 518 129.73      
30 A 526 475 37.14      
31 A 409 369 169.24      
32 A 388 350 5.44      
33 A 291 262 2.22      
34 A 215 194 3.54      
35 A 113 102 7.19      
36 A 64 58 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 28339.4 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 25579.2 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/6-31G**
ABC
0.29162 0.06761 0.05630

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.610 -0.217 0.003
H2 -2.683 -1.000 0.752
H3 -3.422 0.482 0.172
H4 -2.744 -0.665 -0.976
C5 -1.270 0.498 0.092
H6 -1.250 1.294 -0.648
H7 -1.162 0.962 1.069
N8 -0.191 -0.437 -0.163
H9 -0.389 -1.406 -0.055
N10 1.485 1.149 0.037
H11 2.464 1.307 -0.040
H12 0.903 1.830 -0.389
C13 1.140 -0.175 -0.019
O14 1.958 -1.052 0.068

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.08591.08421.08491.52182.13522.15072.43532.52004.31765.29824.08523.75084.6444
H21.08591.75461.76092.16273.04612.50342.71442.46554.74425.69584.70903.98674.6917
H31.08421.75461.75852.15352.45942.47843.37593.57944.95405.94684.56454.61285.5951
H41.08491.76091.75852.16012.48593.05522.68922.63504.71225.64684.45804.03034.8320
C51.52182.16272.15352.16011.08731.08751.45032.10262.83163.82252.59382.50453.5806
H62.13523.04612.45942.48591.08731.75122.08652.89532.82333.76302.23352.87504.0382
H72.15072.50342.47843.05521.08751.75122.10272.73302.84753.80732.67262.78883.8464
N82.43532.71443.37592.68921.45032.08652.10270.99482.31623.17852.52771.36412.2469
H92.52002.46553.57942.63502.10262.89532.73300.99483.17003.93673.50071.96342.3767
N104.31764.74424.95404.71222.83162.82332.84752.31623.17000.99410.99271.36932.2515
H115.29825.69585.94685.64683.82253.76303.80733.17853.93670.99411.68301.98702.4150
H124.08524.70904.56454.45802.59382.23352.67262.52773.50070.99271.68302.05313.1036
C133.75083.98674.61284.03032.50452.87502.78881.36411.96341.36931.98702.05311.2024
O144.64444.69175.59514.83203.58064.03823.84642.24692.37672.25152.41503.10361.2024

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 108.697 C1 C5 H7 109.905
C1 C5 N8 110.020 H2 C1 H3 107.906
H2 C1 H4 108.421 H2 C1 C5 110.960
H3 C1 H4 108.330 H3 C1 C5 110.316
H4 C1 C5 110.809 C5 N8 H9 117.395
C5 N8 C13 125.687 H6 C5 H7 107.263
H6 C5 N8 109.794 H7 C5 N8 111.092
N8 C13 N10 115.854 N8 C13 O14 122.073
H9 N8 C13 111.721 N10 C13 O14 122.069
H11 N10 H12 115.796 H11 N10 C13 113.482
H12 N10 C13 119.897
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.365 -0.352    
2 H 0.126 0.102    
3 H 0.129 0.070    
4 H 0.133 0.098    
5 C 0.003 0.541    
6 H 0.111 -0.056    
7 H 0.131 -0.051    
8 N -0.733 -0.903    
9 H 0.315 0.375    
10 N -0.766 -1.027    
11 H 0.318 0.411    
12 H 0.300 0.401    
13 C 0.934 1.109    
14 O -0.636 -0.718    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.272 2.944 -0.580 4.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.664 7.358 -1.690
y 7.358 -35.106 -1.755
z -1.690 -1.755 -37.929
Traceless
 xyz
x -2.146 7.358 -1.690
y 7.358 3.190 -1.755
z -1.690 -1.755 -1.045
Polar
3z2-r2-2.089
x2-y2-3.557
xy7.358
xz-1.690
yz-1.755


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.984 -0.238 0.118
y -0.238 6.825 -0.096
z 0.118 -0.096 4.747


<r2> (average value of r2) Å2
<r2> 200.617
(<r2>)1/2 14.164