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

using model chemistry: B3LYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-304.011270
Energy at 298.15K-304.021551
Nuclear repulsion energy244.178866
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/6-311+G(3df,2p)
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 3702 3580 39.21      
2 A 3625 3505 33.07      
3 A 3586 3468 22.54      
4 A 3104 3001 22.16      
5 A 3091 2989 28.32      
6 A 3029 2929 19.03      
7 A 3005 2906 25.98      
8 A 2985 2886 41.33      
9 A 1761 1703 566.66      
10 A 1623 1570 149.34      
11 A 1533 1483 4.10      
12 A 1506 1457 5.06      
13 A 1498 1448 6.90      
14 A 1460 1411 14.40      
15 A 1423 1376 184.00      
16 A 1418 1371 110.81      
17 A 1368 1323 30.86      
18 A 1304 1261 2.79      
19 A 1195 1156 16.47      
20 A 1168 1129 1.12      
21 A 1115 1079 32.11      
22 A 1061 1026 15.54      
23 A 988 955 2.42      
24 A 895 866 2.98      
25 A 825 798 0.74      
26 A 772 747 32.79      
27 A 586 566 35.10      
28 A 552 534 10.35      
29 A 512 495 95.40      
30 A 458 443 14.08      
31 A 367 355 129.62      
32 A 360 348 27.68      
33 A 264 255 1.76      
34 A 197 191 4.08      
35 A 99 95 4.35      
36 A 50 48 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 26242.0 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 25376.0 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/6-311+G(3df,2p)
ABC
0.28772 0.06668 0.05541

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.624 -0.222 -0.001
H2 -2.707 -0.974 0.785
H3 -3.440 0.488 0.131
H4 -2.756 -0.716 -0.964
C5 -1.282 0.494 0.069
H6 -1.247 1.259 -0.714
H7 -1.187 1.011 1.030
N8 -0.191 -0.450 -0.118
H9 -0.395 -1.432 -0.021
N10 1.480 1.166 0.044
H11 2.462 1.348 -0.083
H12 0.854 1.860 -0.327
C13 1.149 -0.175 -0.014
O14 1.992 -1.054 0.046

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09141.08941.09061.52242.14422.15582.44672.53704.33295.32344.06683.77394.6913
H21.09141.76181.76912.16763.06052.51232.72412.49124.76065.73274.68544.01874.7579
H31.08941.76181.76542.15872.47352.48193.39103.60344.96775.96814.53144.63945.6478
H41.09061.76911.76542.16802.49723.06882.71332.64164.74315.67934.47984.05494.8660
C51.52242.16762.15872.16801.09521.09521.45512.12242.84333.84332.56662.52333.6221
H62.14423.06052.47352.49721.09521.76252.09552.90642.83223.76312.21942.87884.0522
H72.15582.51232.48193.06881.09521.76252.10792.77412.84763.82922.59372.81993.9161
N82.44672.72413.39102.71331.45512.09552.10791.00722.33053.20512.54431.37242.2713
H92.53702.49123.60342.64162.12242.90642.77411.00723.20413.98623.53401.99092.4176
N104.33294.76064.96774.74312.84332.83222.84762.33053.20411.00621.00581.38202.2778
H115.32345.73275.96815.67933.84333.76313.82923.20513.98621.00621.70482.01152.4506
H124.06684.68544.53144.47982.56662.21942.59372.54433.53401.00581.70482.07983.1505
C133.77394.01874.63944.05492.52332.87882.81991.37241.99091.38202.01152.07981.2194
O144.69134.75795.64784.86603.62214.05223.91612.27132.41762.27782.45063.15051.2194

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 108.903 C1 C5 H7 109.816
C1 C5 N8 110.499 H2 C1 H3 107.784
H2 C1 H4 108.347 H2 C1 C5 110.981
H3 C1 H4 108.159 H3 C1 C5 110.395
H4 C1 C5 111.060 C5 N8 H9 117.928
C5 N8 C13 126.337 H6 C5 H7 107.152
H6 C5 N8 109.698 H7 C5 N8 110.696
N8 C13 N10 115.580 N8 C13 O14 122.301
H9 N8 C13 112.679 N10 C13 O14 122.108
H11 N10 H12 115.836 H11 N10 C13 113.828
H12 N10 C13 120.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.530      
2 H 0.161      
3 H 0.151      
4 H 0.161      
5 C 0.121      
6 H 0.145      
7 H 0.155      
8 N -0.812      
9 H 0.207      
10 N -0.732      
11 H 0.212      
12 H 0.200      
13 C 1.370      
14 O -0.809      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.468 2.870 -0.512 4.531
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.994 -0.112 0.071
y -0.112 9.042 0.032
z 0.071 0.032 6.782


<r2> (average value of r2) Å2
<r2> 203.690
(<r2>)1/2 14.272