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

using model chemistry: HF/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-302.100350
Energy at 298.15K-302.111125
Nuclear repulsion energy245.644764
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/aug-cc-pVDZ
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 3937 3585 45.20      
2 A 3850 3506 37.35      
3 A 3813 3472 38.03      
4 A 3253 2962 40.86      
5 A 3242 2952 54.92      
6 A 3195 2909 25.04      
7 A 3172 2888 16.67      
8 A 3164 2881 54.18      
9 A 1911 1740 698.23      
10 A 1763 1605 189.40      
11 A 1636 1490 2.98      
12 A 1612 1468 12.00      
13 A 1592 1450 12.17      
14 A 1587 1445 12.66      
15 A 1544 1406 275.89      
16 A 1527 1391 28.51      
17 A 1474 1342 26.96      
18 A 1404 1278 5.23      
19 A 1290 1175 17.55      
20 A 1251 1139 2.89      
21 A 1218 1109 44.77      
22 A 1149 1047 12.27      
23 A 1059 964 3.66      
24 A 962 876 2.85      
25 A 880 801 9.95      
26 A 862 785 56.01      
27 A 643 585 59.25      
28 A 607 553 12.83      
29 A 565 514 108.60      
30 A 525 478 43.01      
31 A 408 372 140.03      
32 A 385 351 5.03      
33 A 289 263 1.93      
34 A 214 195 3.31      
35 A 115 105 7.08      
36 A 68 62 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 28081.6 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 25571.1 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/aug-cc-pVDZ
ABC
0.29130 0.06739 0.05617

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.615 -0.210 -0.016
H2 -2.704 -1.027 0.703
H3 -3.422 0.495 0.177
H4 -2.745 -0.617 -1.019
C5 -1.270 0.488 0.117
H6 -1.232 1.313 -0.597
H7 -1.171 0.916 1.117
N8 -0.191 -0.446 -0.161
H9 -0.383 -1.414 -0.020
N10 1.484 1.154 0.030
H11 2.462 1.314 -0.077
H12 0.890 1.828 -0.397
C13 1.140 -0.174 -0.020
O14 1.965 -1.048 0.068

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09131.08941.09021.52162.13792.15312.43962.53544.32065.30114.07233.75524.6562
H21.09131.76311.77022.16703.05452.50892.72032.46164.76985.72504.71974.00364.7118
H31.08941.76311.76812.15372.46302.47583.38243.59424.95315.94654.54994.61555.6047
H41.09021.77021.76812.16502.48853.06402.69952.68484.70355.63254.42464.03554.8520
C51.52162.16702.15372.16501.09121.09221.45312.10232.83473.82672.59282.50273.5806
H62.13793.05452.46302.48851.09121.76012.08892.91272.79203.72992.19232.85784.0284
H72.15312.50892.47583.06401.09221.76012.10842.70882.87913.84492.71502.79683.8456
N82.43962.72033.38242.69951.45312.08892.10840.99692.32403.18432.52821.36582.2498
H92.53542.46163.59422.68482.10232.91272.70880.99693.17503.94143.50271.96392.3776
N104.32064.76984.95314.70352.83472.79202.87912.32403.17500.99640.99511.37242.2536
H115.30115.72505.94655.63253.82673.72993.84493.18433.94140.99641.68461.99082.4176
H124.07234.71974.54994.42462.59282.19232.71502.52823.50270.99511.68462.05213.1048
C133.75524.00364.61554.03552.50272.85782.79681.36581.96391.37241.99082.05211.2047
O144.65624.71185.60474.85203.58064.02843.84562.24982.37762.25362.41763.10481.2047

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 108.702 C1 C5 H7 109.832
C1 C5 N8 110.173 H2 C1 H3 107.899
H2 C1 H4 108.475 H2 C1 C5 110.992
H3 C1 H4 108.427 H3 C1 C5 110.051
H4 C1 C5 110.903 C5 N8 H9 116.979
C5 N8 C13 125.175 H6 C5 H7 107.442
H6 C5 N8 109.554 H7 C5 N8 111.068
N8 C13 N10 116.145 N8 C13 O14 122.024
H9 N8 C13 111.494 N10 C13 O14 121.828
H11 N10 H12 115.535 H11 N10 C13 113.418
H12 N10 C13 119.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.242      
2 H -0.066      
3 H -0.061      
4 H -0.020      
5 C 0.931      
6 H -0.257      
7 H -0.220      
8 N -0.486      
9 H -0.103      
10 N -0.162      
11 H -0.035      
12 H -0.008      
13 C 0.981      
14 O -0.737      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.425 3.012 -0.517 4.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.549 7.492 -1.693
y 7.492 -35.893 -1.850
z -1.693 -1.850 -38.454
Traceless
 xyz
x -2.375 7.492 -1.693
y 7.492 3.108 -1.850
z -1.693 -1.850 -0.733
Polar
3z2-r2-1.466
x2-y2-3.656
xy7.492
xz-1.693
yz-1.850


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 201.523
(<r2>)1/2 14.196