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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-303.555028
Energy at 298.15K-303.565563
HF Energy-303.261618
Nuclear repulsion energy243.678290
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 B2PLYP/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 3705 3517 26.75      
2 A 3622 3438 25.11      
3 A 3590 3408 19.93      
4 A 3174 3013 23.04      
5 A 3161 3001 31.13      
6 A 3088 2931 27.71      
7 A 3085 2928 23.91      
8 A 3054 2899 37.75      
9 A 1826 1733 416.94      
10 A 1673 1588 141.99      
11 A 1578 1498 2.74      
12 A 1553 1474 4.82      
13 A 1545 1466 6.19      
14 A 1491 1415 12.37      
15 A 1463 1388 6.72      
16 A 1455 1381 266.43      
17 A 1393 1322 27.78      
18 A 1330 1263 6.38      
19 A 1220 1158 18.31      
20 A 1191 1131 2.33      
21 A 1154 1095 36.68      
22 A 1088 1033 13.84      
23 A 1006 955 2.20      
24 A 914 868 1.35      
25 A 840 797 0.74      
26 A 782 742 92.22      
27 A 631 599 38.13      
28 A 605 575 186.42      
29 A 559 531 24.69      
30 A 506 480 47.36      
31 A 413 392 80.45      
32 A 365 347 0.51      
33 A 279 265 2.56      
34 A 201 191 2.04      
35 A 120 114 8.53      
36 A 63 60 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 26861.7 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 25497.2 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 B2PLYP/6-31G*
ABC
0.28329 0.06684 0.05565

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.638 -0.062 -0.089
H2 -2.812 -1.139 -0.052
H3 -3.393 0.433 0.526
H4 -2.751 0.275 -1.122
C5 -1.232 0.274 0.417
H6 -1.079 1.352 0.385
H7 -1.132 -0.055 1.459
N8 -0.206 -0.376 -0.434
H9 -0.328 -1.386 -0.408
N10 1.486 1.194 -0.012
H11 2.479 1.236 0.199
H12 1.309 1.681 -0.891
C13 1.120 -0.149 -0.069
O14 1.907 -1.063 0.183

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09221.09181.09231.53212.15752.15932.47672.68244.31175.28764.38943.75954.6621
H21.09221.77291.77422.17163.06632.50582.74232.52214.89075.80585.06444.05524.7255
H31.09181.77291.77552.16982.49402.49363.42533.68474.96685.93595.06734.58915.5174
H41.09231.77421.77552.16252.49533.06392.71523.02334.47525.47974.30344.03405.0188
C51.53212.17162.16982.16251.08921.09681.48312.06252.90073.83993.18562.43853.4194
H62.15753.06632.49402.49531.08921.77092.10212.94772.59963.56482.72732.70073.8452
H72.15932.50582.49363.06391.09681.77092.13182.42943.25204.03683.80742.72323.4464
N82.47672.74233.42532.71521.48312.10212.13181.01752.34683.19582.59591.39432.3061
H92.68242.52213.68473.02332.06252.94772.42941.01753.17853.88893.51031.93422.3338
N104.31174.89074.96684.47522.90072.59963.25202.34683.17851.01681.02041.39332.3045
H115.28765.80585.93595.47973.83993.56484.03683.19583.88891.01681.66011.95912.3693
H124.38945.06445.06734.30343.18562.72733.80742.59593.51031.02041.66012.01523.0070
C133.75954.05524.58914.03402.43852.70072.72321.39431.93421.39331.95912.01521.2321
O144.66214.72555.51745.01883.41943.84523.44642.30612.33382.30452.36933.00701.2321

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 109.630 C1 C5 H7 109.324
C1 C5 N8 110.439 H2 C1 H3 108.546
H2 C1 H4 108.619 H2 C1 C5 110.565
H3 C1 H4 108.771 H3 C1 C5 110.447
H4 C1 C5 109.842 C5 N8 H9 109.728
C5 N8 C13 115.835 H6 C5 H7 108.219
H6 C5 N8 108.643 H7 C5 N8 110.547
N8 C13 N10 114.676 N8 C13 O14 122.696
H9 N8 C13 105.567 N10 C13 O14 122.628
H11 N10 H12 109.152 H11 N10 C13 107.732
H12 N10 C13 112.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.490      
2 H 0.163      
3 H 0.168      
4 H 0.173      
5 C -0.105      
6 H 0.147      
7 H 0.169      
8 N -0.682      
9 H 0.356      
10 N -0.817      
11 H 0.362      
12 H 0.347      
13 C 0.783      
14 O -0.573      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.848 -0.207 0.174
y -0.207 7.338 -0.128
z 0.174 -0.128 4.848


<r2> (average value of r2) Å2
<r2> 202.721
(<r2>)1/2 14.238