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

using model chemistry: HF/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 HF/STO-3G
 hartrees
Energy at 0K-298.187548
Energy at 298.15K-298.197964
Nuclear repulsion energy240.267887
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/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 4145 3384 1.71      
2 A 4018 3281 1.14      
3 A 3948 3224 5.52      
4 A 3762 3072 0.64      
5 A 3754 3066 1.02      
6 A 3714 3033 2.08      
7 A 3584 2926 7.75      
8 A 3573 2917 0.98      
9 A 2132 1741 140.10      
10 A 1946 1589 24.21      
11 A 1841 1503 1.26      
12 A 1825 1490 1.49      
13 A 1818 1485 2.14      
14 A 1745 1425 10.91      
15 A 1721 1405 4.36      
16 A 1624 1326 21.15      
17 A 1568 1280 187.54      
18 A 1511 1234 8.87      
19 A 1391 1136 5.75      
20 A 1350 1102 19.11      
21 A 1306 1067 34.75      
22 A 1257 1026 6.75      
23 A 1116 911 3.03      
24 A 1040 849 4.45      
25 A 940 768 28.45      
26 A 906 739 185.53      
27 A 862 704 56.88      
28 A 699 571 82.15      
29 A 582 475 11.41      
30 A 513 419 13.23      
31 A 378 309 9.60      
32 A 372 303 39.79      
33 A 252 206 0.53      
34 A 217 177 2.16      
35 A 114 93 4.07      
36 A 60 49 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 30792.0 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 25141.6 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/STO-3G
ABC
0.26966 0.06494 0.05538

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.658 -0.081 -0.104
H2 -2.849 -1.139 0.049
H3 -3.410 0.485 0.438
H4 -2.753 0.136 -1.164
C5 -1.251 0.295 0.397
H6 -1.080 1.361 0.251
H7 -1.177 0.096 1.471
N8 -0.220 -0.456 -0.370
H9 -0.366 -1.469 -0.253
N10 1.460 1.242 -0.008
H11 2.477 1.377 -0.073
H12 1.013 1.727 -0.797
C13 1.163 -0.173 -0.046
O14 1.994 -1.041 0.155

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.08611.08581.08541.54112.16762.16992.48092.68384.32655.33834.15063.82294.7569
H21.08611.76181.76252.17603.06992.51892.74862.52354.92365.89184.88354.12824.8451
H31.08581.76181.76552.16772.49592.49073.42193.68234.94785.97544.75644.64505.6216
H41.08541.76251.76552.17252.51053.07072.71953.01714.50655.48504.10504.08425.0651
C51.54112.17602.16772.17251.08951.09501.48802.07782.89933.90952.93232.49833.5169
H62.16763.06992.49592.51051.08951.76072.10402.96192.55553.57162.36862.73373.9020
H72.16992.51892.49073.07071.09501.76072.14732.46613.23334.16843.54962.80223.6165
N82.48092.74863.42192.71951.48802.10402.14731.02982.41603.27442.54341.44862.3492
H92.68382.52353.68233.01712.07782.96192.46611.02983.27744.02613.52272.01482.4324
N104.32654.92364.94784.50652.89932.55553.23332.41603.27741.02821.02811.44642.3502
H115.33835.89185.97545.48503.90953.57164.16843.27444.02611.02821.67052.03172.4756
H124.15064.88354.75644.10502.93232.36863.54962.54343.52271.02811.67052.04843.0869
C133.82294.12824.64504.08422.49832.73372.80221.44862.01481.44642.03172.04841.2180
O144.75694.84515.62165.06513.51693.90203.61652.34922.43242.35022.47563.08691.2180

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 109.777 C1 C5 H7 109.638
C1 C5 N8 109.959 H2 C1 H3 108.418
H2 C1 H4 108.512 H2 C1 C5 110.645
H3 C1 H4 108.805 H3 C1 C5 110.002
H4 C1 C5 110.403 C5 N8 H9 109.893
C5 N8 C13 116.577 H6 C5 H7 107.413
H6 C5 N8 108.439 H7 C5 N8 111.563
N8 C13 N10 113.137 N8 C13 O14 123.293
H9 N8 C13 107.565 N10 C13 O14 123.564
H11 N10 H12 108.662 H11 N10 C13 109.213
H12 N10 C13 110.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.179      
2 H 0.061      
3 H 0.065      
4 H 0.069      
5 C -0.007      
6 H 0.073      
7 H 0.056      
8 N -0.352      
9 H 0.172      
10 N -0.408      
11 H 0.180      
12 H 0.179      
13 C 0.372      
14 O -0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.334 1.085 -0.522 1.796
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.647 4.274 -2.840
y 4.274 -34.092 -2.176
z -2.840 -2.176 -34.601
Traceless
 xyz
x -0.300 4.274 -2.840
y 4.274 0.531 -2.176
z -2.840 -2.176 -0.231
Polar
3z2-r2-0.462
x2-y2-0.555
xy4.274
xz-2.840
yz-2.176


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.933 -0.254 0.229
y -0.254 4.184 -0.239
z 0.229 -0.239 2.333


<r2> (average value of r2) Å2
<r2> 204.403
(<r2>)1/2 14.297