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

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-302.203420
Energy at 298.15K-302.213797
Nuclear repulsion energy243.886650
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/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 3693 3618 47.76      
2 A 3576 3503 37.15      
3 A 3546 3474 24.51      
4 A 3102 3039 13.25      
5 A 3082 3020 19.45      
6 A 2994 2933 15.36      
7 A 2937 2877 41.20      
8 A 2910 2851 41.47      
9 A 1751 1715 398.15      
10 A 1600 1568 257.14      
11 A 1514 1483 1.66      
12 A 1487 1457 17.40      
13 A 1481 1451 198.73      
14 A 1475 1445 13.78      
15 A 1421 1392 16.46      
16 A 1397 1369 41.18      
17 A 1331 1304 4.70      
18 A 1266 1241 0.60      
19 A 1220 1195 16.28      
20 A 1161 1137 2.30      
21 A 1116 1093 3.94      
22 A 1053 1032 6.70      
23 A 1021 1000 0.08      
24 A 907 889 4.41      
25 A 832 815 1.60      
26 A 768 752 121.82      
27 A 566 555 194.53      
28 A 559 548 7.43      
29 A 534 523 15.03      
30 A 506 496 0.08      
31 A 399 390 182.48      
32 A 367 359 0.01      
33 A 267 262 0.07      
34 A 196 192 6.10      
35 A 118 116 1.74      
36 A 52 51 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 26101.7 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 25571.9 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/6-31G
ABC
0.28608 0.06728 0.05563

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.605 -0.234 0.001
H2 -2.704 -0.872 0.897
H3 -3.442 0.483 0.001
H4 -2.705 -0.874 -0.893
C5 -1.272 0.481 -0.001
H6 -1.208 1.141 -0.895
H7 -1.206 1.142 0.892
N8 -0.192 -0.472 -0.001
H9 -0.399 -1.469 -0.001
N10 1.428 1.177 0.000
H11 2.410 1.431 0.001
H12 0.721 1.906 -0.000
C13 1.144 -0.164 -0.000
O14 2.035 -1.042 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.10461.10191.10461.51172.15482.15482.42432.52774.27205.28353.95423.74924.7096
H21.10461.78401.79062.16463.08242.50992.69752.54464.69815.67934.50004.01394.8260
H31.10191.78401.78392.16932.49522.49553.38703.61474.91875.92794.39914.63115.6852
H41.10461.79061.78392.16462.51023.08242.69722.54334.69995.68144.50154.01504.8271
C51.51172.16462.16932.16461.11321.11321.44062.13652.78853.80292.45022.50103.6415
H62.15483.08242.49522.51021.11321.78742.10532.87472.78403.73862.25972.83474.0108
H72.15482.50992.49553.08241.11321.78742.10512.87522.78083.73512.25672.83274.0090
N82.42432.69753.38702.69721.44062.10532.10511.01842.31143.22332.54701.37102.2990
H92.52772.54463.61472.54332.13652.87472.87521.01843.21544.03733.55592.02102.4714
N104.27204.69814.91874.69992.78852.78402.78082.31143.21541.01441.01561.37062.3010
H115.28355.67935.92795.68143.80293.73863.73513.22334.03731.01441.75472.03612.5015
H123.95424.50004.39914.50152.45022.25972.25672.54703.55591.01561.75472.11283.2282
C133.74924.01394.63114.01502.50102.83472.83271.37102.02101.37062.03612.11281.2513
O144.70964.82605.68524.82713.64154.01084.00902.29902.47142.30102.50153.22821.2513

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 109.412 C1 C5 H7 109.411
C1 C5 N8 110.379 H2 C1 H3 107.906
H2 C1 H4 108.297 H2 C1 C5 110.697
H3 C1 H4 107.899 H3 C1 C5 111.228
H4 C1 C5 110.694 C5 N8 H9 119.665
C5 N8 C13 125.614 H6 C5 H7 106.797
H6 C5 N8 110.393 H7 C5 N8 110.375
N8 C13 N10 114.927 N8 C13 O14 122.431
H9 N8 C13 114.721 N10 C13 O14 122.642
H11 N10 H12 119.630 H11 N10 C13 116.442
H12 N10 C13 123.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.541      
2 H 0.186      
3 H 0.184      
4 H 0.186      
5 C -0.166      
6 H 0.175      
7 H 0.175      
8 N -0.591      
9 H 0.343      
10 N -0.741      
11 H 0.351      
12 H 0.329      
13 C 0.537      
14 O -0.427      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.662 3.044 -0.001 4.762
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.975 7.868 0.001
y 7.868 -33.596 0.002
z 0.001 0.002 -38.433
Traceless
 xyz
x -2.960 7.868 0.001
y 7.868 5.108 0.002
z 0.001 0.002 -2.148
Polar
3z2-r2-4.296
x2-y2-5.379
xy7.868
xz0.001
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.129 -0.270 0.003
y -0.270 7.631 0.000
z 0.003 0.000 4.593


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