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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-303.884322
Energy at 298.15K-303.894758
Nuclear repulsion energy243.340166
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 B3LYPultrafine/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 3678 3523 24.52      
2 A 3605 3453 22.34      
3 A 3565 3415 15.27      
4 A 3135 3003 25.08      
5 A 3121 2990 33.99      
6 A 3054 2926 20.93      
7 A 3037 2909 36.70      
8 A 3012 2886 41.63      
9 A 1820 1744 434.55      
10 A 1657 1587 139.57      
11 A 1558 1493 3.05      
12 A 1533 1468 4.80      
13 A 1524 1460 6.21      
14 A 1477 1415 15.07      
15 A 1444 1384 41.17      
16 A 1438 1378 230.85      
17 A 1380 1322 32.55      
18 A 1315 1260 6.13      
19 A 1207 1156 17.66      
20 A 1177 1127 1.99      
21 A 1139 1091 37.59      
22 A 1073 1028 13.93      
23 A 995 953 1.85      
24 A 904 866 1.52      
25 A 831 796 0.72      
26 A 777 744 77.95      
27 A 611 586 60.39      
28 A 584 559 126.42      
29 A 554 530 41.26      
30 A 501 480 45.75      
31 A 404 387 92.20      
32 A 361 346 0.39      
33 A 272 260 2.41      
34 A 196 188 2.37      
35 A 117 112 7.58      
36 A 57 55 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 26554.7 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 25439.4 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 B3LYPultrafine/6-31G*
ABC
0.28362 0.06647 0.05533

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.629 -0.217 0.002
H2 -2.705 -1.034 0.730
H3 -3.444 0.486 0.204
H4 -2.774 -0.634 -1.000
C5 -1.279 0.487 0.109
H6 -1.256 1.319 -0.610
H7 -1.158 0.927 1.110
N8 -0.195 -0.444 -0.192
H9 -0.391 -1.426 -0.047
N10 1.479 1.175 0.046
H11 2.472 1.331 -0.061
H12 0.900 1.837 -0.455
C13 1.151 -0.175 -0.023
O14 1.989 -1.061 0.079

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09661.09451.09531.52672.14922.16762.45252.54464.33725.33144.10873.78024.6954
H21.09661.77001.77672.17553.07072.52602.73802.47194.77955.74604.75794.02104.7387
H31.09451.77001.77522.16712.47832.49793.40243.61094.97275.98194.59644.64745.6502
H41.09531.77671.77522.17332.50423.08222.70932.68604.73835.68064.46114.07064.9025
C51.52672.17552.16712.17331.09951.10021.46032.11532.84233.84842.62412.52163.6163
H62.14923.07072.47832.50421.09951.76702.09962.93292.81593.76862.22282.89304.0830
H72.16762.52602.49793.08221.10021.76702.12232.73242.85413.83602.74132.79833.8630
N82.45252.73803.40242.70931.46032.09962.12231.01222.34053.20652.54361.38282.2858
H92.54462.47193.61092.68602.11532.93292.73241.01223.20463.97503.53281.98582.4112
N104.33724.77954.97274.73832.84232.81592.85412.34053.20461.01161.01201.39082.2939
H115.33145.74605.98195.68063.84843.76863.83603.20653.97501.01161.69812.00392.4446
H124.10874.75794.59644.46112.62412.22282.74132.54363.53281.01201.69812.07293.1416
C133.78024.02104.64744.07062.52162.89302.79831.38281.98581.39082.00392.07291.2242
O144.69544.73875.65024.90253.61634.08303.86302.28582.41122.29392.44463.14161.2242

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 108.754 C1 C5 H7 110.154
C1 C5 N8 110.362 H2 C1 H3 107.771
H2 C1 H4 108.300 H2 C1 C5 110.993
H3 C1 H4 108.322 H3 C1 C5 110.453
H4 C1 C5 110.893 C5 N8 H9 116.464
C5 N8 C13 124.958 H6 C5 H7 106.889
H6 C5 N8 109.404 H7 C5 N8 111.183
N8 C13 N10 115.099 N8 C13 O14 122.401
H9 N8 C13 111.082 N10 C13 O14 122.490
H11 N10 H12 114.096 H11 N10 C13 112.087
H12 N10 C13 118.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.473      
2 H 0.156      
3 H 0.159      
4 H 0.164      
5 C -0.107      
6 H 0.138      
7 H 0.157      
8 N -0.597      
9 H 0.331      
10 N -0.751      
11 H 0.339      
12 H 0.323      
13 C 0.683      
14 O -0.524      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.987 2.554 -0.645 3.983
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.820 6.783 -1.841
y 6.783 -34.752 -1.991
z -1.841 -1.991 -37.622
Traceless
 xyz
x -1.633 6.783 -1.841
y 6.783 2.969 -1.991
z -1.841 -1.991 -1.336
Polar
3z2-r2-2.673
x2-y2-3.068
xy6.783
xz-1.841
yz-1.991


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.992 -0.168 0.148
y -0.168 7.412 -0.123
z 0.148 -0.123 4.870


<r2> (average value of r2) Å2
<r2> 203.474
(<r2>)1/2 14.264