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

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-302.557374
Energy at 298.15K-302.567406
HF Energy-301.961964
Nuclear repulsion energy239.051201
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 MP2/SDD
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 3782 3651 40.74      
2 A 3643 3516 34.99      
3 A 3629 3503 50.31      
4 A 3136 3028 34.51      
5 A 3135 3026 42.09      
6 A 3053 2947 39.26      
7 A 3028 2923 24.54      
8 A 3005 2901 51.40      
9 A 1711 1652 325.36      
10 A 1663 1605 314.49      
11 A 1570 1516 9.74      
12 A 1545 1492 12.53      
13 A 1534 1481 8.48      
14 A 1491 1439 28.98      
15 A 1462 1411 1.35      
16 A 1429 1379 390.49      
17 A 1401 1352 24.23      
18 A 1312 1267 0.34      
19 A 1206 1164 1.92      
20 A 1203 1161 19.40      
21 A 1126 1087 21.36      
22 A 1066 1029 18.40      
23 A 989 955 2.04      
24 A 890 859 4.92      
25 A 862 832 1.37      
26 A 721 696 57.10      
27 A 557 538 5.87      
28 A 533 515 187.07      
29 A 524 506 14.65      
30 A 430 415 8.95      
31 A 361 349 0.02      
32 A 294 284 284.76      
33 A 253 244 13.56      
34 A 201 194 5.85      
35 A 61 58 0.00      
36 A 50 48 12.64      

Unscaled Zero Point Vibrational Energy (zpe) 26426.5 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 25509.5 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 MP2/SDD
ABC
0.27506 0.06409 0.05304

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.671 -0.242 0.000
H2 -2.765 -0.877 0.899
H3 -3.503 0.483 0.001
H4 -2.765 -0.876 -0.899
C5 -1.312 0.510 0.000
H6 -1.249 1.157 -0.898
H7 -1.248 1.156 0.899
N8 -0.199 -0.471 -0.001
H9 -0.414 -1.465 -0.001
N10 1.489 1.196 0.000
H11 2.474 1.432 0.000
H12 0.803 1.940 -0.002
C13 1.168 -0.171 -0.000
O14 2.067 -1.075 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.10411.10361.10411.55342.18812.18822.48322.56704.40185.41134.10263.83974.8104
H21.10411.78901.79802.20023.10842.53632.74932.58464.81635.79554.63384.09524.9181
H31.10361.78901.78902.19142.51902.51913.43963.65205.04296.05264.54604.71665.7835
H41.10411.79801.78902.20022.53623.10852.74922.58504.81675.79594.63324.09574.9190
C51.55342.20022.19142.20021.10851.10851.48402.16952.88383.89732.55312.57173.7318
H62.18813.10842.51902.53621.10851.79632.13492.89412.88143.83982.37182.89974.0960
H72.18822.53632.51913.10851.10851.79632.13492.89382.88073.83902.37282.89894.0949
N82.48322.74933.43962.74921.48402.13492.13491.01702.37223.28172.61081.39912.3443
H92.56702.58463.65202.58502.16952.89412.89381.01703.27164.09153.61602.04402.5114
N104.40184.81635.04294.81672.88382.88142.88072.37223.27161.01351.01191.40412.3428
H115.41135.79556.05265.79593.89733.83983.83903.28174.09151.01351.74672.06842.5400
H124.10264.63384.54604.63322.55312.37182.37282.61083.61601.01191.74672.14213.2685
C133.83974.09524.71664.09572.57172.89972.89891.39912.04401.40412.06842.14211.2745
O144.81044.91815.78354.91903.73184.09604.09492.34432.51142.34282.54003.26851.2745

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 109.437 C1 C5 H7 109.441
C1 C5 N8 109.655 H2 C1 H3 108.258
H2 C1 H4 109.026 H2 C1 C5 110.630
H3 C1 H4 108.258 H3 C1 C5 109.969
H4 C1 C5 110.631 C5 N8 H9 119.150
C5 N8 C13 126.220 H6 C5 H7 108.236
H6 C5 N8 110.024 H7 C5 N8 110.025
N8 C13 N10 115.613 N8 C13 O14 122.454
H9 N8 C13 114.629 N10 C13 O14 121.933
H11 N10 H12 119.182 H11 N10 C13 116.718
H12 N10 C13 124.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability