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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-303.808307
Energy at 298.15K-303.818741
Nuclear repulsion energy244.540188
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 mPW1PW91/6-31G*
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 3736 3542 32.76      
2 A 3661 3472 30.07      
3 A 3618 3431 20.70      
4 A 3174 3010 20.67      
5 A 3159 2996 28.43      
6 A 3082 2923 18.85      
7 A 3070 2912 33.09      
8 A 3038 2881 42.03      
9 A 1855 1759 470.30      
10 A 1668 1582 163.19      
11 A 1562 1482 2.55      
12 A 1537 1457 4.54      
13 A 1527 1448 7.86      
14 A 1487 1410 53.53      
15 A 1472 1396 227.73      
16 A 1445 1371 23.01      
17 A 1380 1309 18.94      
18 A 1321 1253 3.33      
19 A 1229 1165 20.76      
20 A 1184 1122 1.57      
21 A 1150 1091 22.68      
22 A 1089 1033 14.05      
23 A 1015 962 1.63      
24 A 917 869 2.22      
25 A 833 790 0.72      
26 A 787 747 75.64      
27 A 608 577 63.84      
28 A 574 544 101.31      
29 A 556 528 59.13      
30 A 498 472 41.81      
31 A 398 378 111.75      
32 A 364 346 0.27      
33 A 276 262 2.91      
34 A 197 187 2.81      
35 A 115 109 7.64      
36 A 49 47 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 26816.3 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 25429.9 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 mPW1PW91/6-31G*
ABC
0.28572 0.06731 0.05596

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.611 -0.222 0.024
H2 -2.671 -1.000 0.792
H3 -3.427 0.483 0.201
H4 -2.768 -0.689 -0.952
C5 -1.271 0.491 0.075
H6 -1.267 1.288 -0.681
H7 -1.137 0.976 1.052
N8 -0.193 -0.442 -0.193
H9 -0.395 -1.423 -0.070
N10 1.465 1.168 0.057
H11 2.456 1.332 -0.037
H12 0.884 1.835 -0.429
C13 1.144 -0.174 -0.022
O14 1.981 -1.057 0.076

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09471.09261.09381.51942.14142.15962.43772.52304.30715.30054.08083.75614.6683
H21.09471.76731.77462.16743.06212.51502.72362.47004.72735.69284.70783.98704.7070
H31.09261.76731.77142.16012.46832.49213.38653.59224.94205.94864.56164.62375.6248
H41.09381.77461.77142.16532.49643.07352.69522.63624.73095.67484.46924.05364.8729
C51.51942.16742.16012.16531.09871.09861.45042.11032.81843.82192.58892.50683.6016
H62.14143.06212.46832.49641.09871.76592.09362.91272.83213.77802.23342.89574.0767
H72.15962.51502.49213.07351.09861.76592.11012.75082.79303.77162.64912.77173.8486
N82.43772.72363.38652.69521.45042.09362.11011.00912.32513.19222.52991.37472.2758
H92.52302.47003.59222.63622.11032.91272.75081.00913.19233.96463.51821.98232.4085
N104.30714.72734.94204.73092.81842.83212.79302.32513.19231.00851.00881.38282.2842
H115.30055.69285.94865.67483.82193.77803.77163.19223.96461.00851.69611.99762.4381
H124.08084.70784.56164.46922.58892.23342.64912.52993.51821.00881.69612.06653.1336
C133.75613.98704.62374.05362.50682.89572.77171.37471.98231.38281.99762.06651.2201
O144.66834.70705.62484.87293.60164.07673.84862.27582.40852.28422.43813.13361.2201

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 108.691 C1 C5 H7 110.122
C1 C5 N8 110.319 H2 C1 H3 107.796
H2 C1 H4 108.358 H2 C1 C5 110.976
H3 C1 H4 108.225 H3 C1 C5 110.514
H4 C1 C5 110.862 C5 N8 H9 117.055
C5 N8 C13 125.057 H6 C5 H7 106.966
H6 C5 N8 109.662 H7 C5 N8 110.995
N8 C13 N10 114.954 N8 C13 O14 122.463
H9 N8 C13 111.606 N10 C13 O14 122.572
H11 N10 H12 114.439 H11 N10 C13 112.356
H12 N10 C13 118.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.553      
2 H 0.184      
3 H 0.188      
4 H 0.191      
5 C -0.164      
6 H 0.166      
7 H 0.187      
8 N -0.643      
9 H 0.357      
10 N -0.804      
11 H 0.362      
12 H 0.346      
13 C 0.722      
14 O -0.539      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.065 2.614 -0.658 4.081
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.542 6.898 -1.728
y 6.898 -34.361 -1.895
z -1.728 -1.895 -37.545
Traceless
 xyz
x -1.589 6.898 -1.728
y 6.898 3.183 -1.895
z -1.728 -1.895 -1.593
Polar
3z2-r2-3.186
x2-y2-3.181
xy6.898
xz-1.728
yz-1.895


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> 201.313
(<r2>)1/2 14.188