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

using model chemistry: LSDA/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 LSDA/STO-3G
 hartrees
Energy at 0K-298.319282
Energy at 298.15K-298.329171
Nuclear repulsion energy240.546530
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 LSDA/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 3740 3350 0.35      
2 A 3687 3302 8.77      
3 A 3540 3170 2.84      
4 A 3473 3110 0.08      
5 A 3464 3102 0.01      
6 A 3378 3025 4.19      
7 A 3296 2952 0.47      
8 A 3273 2931 14.11      
9 A 1912 1713 113.56      
10 A 1722 1542 24.45      
11 A 1645 1473 3.77      
12 A 1637 1466 7.76      
13 A 1610 1442 0.98      
14 A 1522 1363 4.86      
15 A 1495 1339 14.32      
16 A 1440 1290 43.62      
17 A 1370 1227 142.80      
18 A 1343 1203 1.73      
19 A 1244 1114 30.86      
20 A 1209 1082 6.19      
21 A 1159 1038 23.76      
22 A 1122 1005 19.56      
23 A 1007 901 5.95      
24 A 922 826 1.14      
25 A 851 762 13.38      
26 A 723 647 104.34      
27 A 624 559 147.95      
28 A 605 542 68.51      
29 A 495 443 15.92      
30 A 473 424 29.11      
31 A 383 343 38.50      
32 A 377 338 4.86      
33 A 261 234 5.89      
34 A 192 172 4.82      
35 A 123 110 0.98      
36 A 56 50 2.35      

Unscaled Zero Point Vibrational Energy (zpe) 27686.7 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 24793.4 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 LSDA/STO-3G
ABC
0.22501 0.07083 0.06044

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.400 -0.278 -0.474
H2 1.991 -0.659 -1.421
H3 3.240 0.397 -0.700
H4 2.785 -1.126 0.112
C5 1.315 0.473 0.318
H6 1.760 0.906 1.239
H7 0.886 1.297 -0.289
N8 0.167 -0.400 0.657
H9 0.405 -1.418 0.724
N10 -1.278 1.243 -0.265
H11 -2.289 1.402 -0.510
H12 -1.052 1.833 0.578
C13 -1.110 -0.182 0.037
O14 -1.947 -1.077 -0.220

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.10031.10051.10121.53902.17852.19192.50632.59163.98544.98124.18053.54814.4275
H21.10031.78821.78922.18273.09562.51572.77692.77353.95454.83704.41183.45934.1381
H31.10051.78821.78512.17832.49132.55273.45223.65474.61665.62284.70224.44915.4136
H41.10121.78921.78512.18262.54013.10472.77162.47494.71885.70384.86824.00884.7448
C51.53902.18272.17832.18261.11131.10891.48202.13802.76693.81312.74192.52723.6517
H62.17853.09562.49132.54011.11131.80342.14132.73933.40734.43943.03433.29634.4507
H72.19192.51572.55273.10471.10891.80342.07142.93742.16513.18512.18982.50503.6968
N82.50632.77693.45222.77161.48202.14132.07141.04782.37413.26212.54501.43562.3867
H92.59162.77353.65472.47492.13802.73932.93741.04783.30054.09123.56552.07282.5581
N103.98543.95454.61664.71882.76693.40732.16512.37413.30051.05271.05341.46562.4142
H114.98124.83705.62285.70383.81314.43943.18513.26214.09121.05271.70302.04902.5185
H124.18054.41184.70224.86822.74193.03432.18982.54503.56551.05341.70302.08613.1466
C133.54813.45934.44914.00882.52723.29632.50501.43562.07281.46562.04902.08611.2527
O144.42754.13815.41364.74483.65174.45073.69682.38672.55812.41422.51853.14661.2527

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 109.518 C1 C5 H7 110.700
C1 C5 N8 112.106 H2 C1 H3 108.685
H2 C1 H4 108.724 H2 C1 C5 110.479
H3 C1 H4 108.344 H3 C1 C5 110.127
H4 C1 C5 110.425 C5 N8 H9 114.272
C5 N8 C13 120.029 H6 C5 H7 108.635
H6 C5 N8 110.512 H7 C5 N8 105.255
N8 C13 N10 109.829 N8 C13 O14 125.065
H9 N8 C13 112.223 N10 C13 O14 125.101
H11 N10 H12 107.924 H11 N10 C13 107.777
H12 N10 C13 110.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.280      
2 H 0.101      
3 H 0.101      
4 H 0.094      
5 C -0.105      
6 H 0.094      
7 H 0.118      
8 N -0.304      
9 H 0.204      
10 N -0.392      
11 H 0.196      
12 H 0.194      
13 C 0.205      
14 O -0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.420 1.353 0.805 2.120
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.663 -5.274 -0.752
y -5.274 -31.819 0.867
z -0.752 0.867 -34.579
Traceless
 xyz
x 0.536 -5.274 -0.752
y -5.274 1.801 0.867
z -0.752 0.867 -2.338
Polar
3z2-r2-4.675
x2-y2-0.843
xy-5.274
xz-0.752
yz0.867


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.477 0.154 0.918
y 0.154 4.510 -0.025
z 0.918 -0.025 2.601


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000