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

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-303.796586
Energy at 298.15K-303.807066
Nuclear repulsion energy243.921197
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 B3PW91/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 3688 3559 32.65      
2 A 3611 3484 26.45      
3 A 3566 3441 16.14      
4 A 3146 3036 17.94      
5 A 3130 3020 25.64      
6 A 3047 2940 20.65      
7 A 3036 2929 34.82      
8 A 3001 2896 43.66      
9 A 1826 1763 459.13      
10 A 1602 1546 167.15      
11 A 1502 1449 1.73      
12 A 1477 1425 2.04      
13 A 1464 1413 13.46      
14 A 1453 1402 155.25      
15 A 1444 1393 95.43      
16 A 1397 1348 14.63      
17 A 1345 1298 20.22      
18 A 1289 1244 6.29      
19 A 1206 1164 19.66      
20 A 1149 1109 1.59      
21 A 1128 1089 23.24      
22 A 1073 1036 15.82      
23 A 1002 967 1.84      
24 A 904 872 2.15      
25 A 819 790 1.02      
26 A 785 757 55.09      
27 A 612 590 49.71      
28 A 577 557 79.77      
29 A 550 531 61.90      
30 A 499 481 52.15      
31 A 398 384 80.91      
32 A 359 346 0.26      
33 A 279 269 2.39      
34 A 195 188 2.24      
35 A 117 113 7.44      
36 A 65 62 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 26369.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 25446.4 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 B3PW91/cc-pVDZ
ABC
0.28537 0.06691 0.05574

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.620 -0.210 -0.018
H2 -2.715 -1.055 0.684
H3 -3.437 0.494 0.196
H4 -2.755 -0.597 -1.039
C5 -1.270 0.473 0.132
H6 -1.231 1.333 -0.562
H7 -1.164 0.887 1.153
N8 -0.195 -0.451 -0.182
H9 -0.381 -1.434 -0.012
N10 1.463 1.177 0.040
H11 2.456 1.338 -0.094
H12 0.873 1.823 -0.471
C13 1.148 -0.172 -0.024
O14 1.990 -1.051 0.075

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.10241.09991.10111.51972.14632.16592.44252.55114.31255.30664.06643.76814.6870
H21.10241.77721.78402.17433.07552.52862.73302.46494.78085.75064.74254.02604.7451
H31.09991.77721.78432.16772.47912.49683.39853.61924.95015.95974.55884.63865.6444
H41.10111.78401.78432.17252.50523.08842.70352.71824.70155.63774.39754.05524.8952
C51.51972.17432.16772.17251.10561.10721.45252.10892.82433.83172.60362.50803.5997
H62.14633.07552.47912.50521.10561.77352.09772.94632.76493.71582.16142.86604.0575
H72.16592.52862.49683.08841.10721.77352.12482.71232.86863.85562.76862.80293.8564
N82.44252.73303.39852.70351.45252.09772.12481.01492.33433.19882.52911.38082.2805
H92.55112.46493.61922.71822.10892.94632.71231.01493.19733.96723.52071.98302.4041
N104.31254.78084.95014.70152.82432.76492.86862.33433.19731.01421.01431.38682.2895
H115.30665.75065.95975.63773.83173.71583.85563.19883.96721.01421.69831.99862.4394
H124.06644.74254.55884.39752.60362.16142.76862.52913.52071.01431.69832.06373.1321
C133.76814.02604.63864.05522.50802.86602.80291.38081.98301.38681.99862.06371.2211
O144.68704.74515.64444.89523.59974.05753.85642.28052.40412.28952.43943.13211.2211

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 108.658 C1 C5 H7 110.083
C1 C5 N8 110.506 H2 C1 H3 107.604
H2 C1 H4 108.117 H2 C1 C5 111.035
H3 C1 H4 108.323 H3 C1 C5 110.663
H4 C1 C5 110.974 C5 N8 H9 116.331
C5 N8 C13 124.533 H6 C5 H7 106.543
H6 C5 N8 109.427 H7 C5 N8 111.504
N8 C13 N10 115.012 N8 C13 O14 122.324
H9 N8 C13 110.808 N10 C13 O14 122.653
H11 N10 H12 113.695 H11 N10 C13 111.747
H12 N10 C13 117.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 H 0.054      
3 H 0.052      
4 H 0.057      
5 C -0.001      
6 H 0.043      
7 H 0.049      
8 N -0.210      
9 H 0.111      
10 N -0.160      
11 H 0.115      
12 H 0.103      
13 C 0.201      
14 O -0.308      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.907 2.545 -0.597 3.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.927 6.629 -1.767
y 6.629 -34.598 -1.972
z -1.767 -1.972 -37.314
Traceless
 xyz
x -1.971 6.629 -1.767
y 6.629 3.023 -1.972
z -1.767 -1.972 -1.052
Polar
3z2-r2-2.104
x2-y2-3.330
xy6.629
xz-1.767
yz-1.972


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> 202.217
(<r2>)1/2 14.220