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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-302.962554
Energy at 298.15K-302.973200
HF Energy-302.046191
Nuclear repulsion energy244.192145
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 MP3/6-31G*
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 3735 3506 28.68      
2 A 3656 3431 26.98      
3 A 3626 3403 26.98      
4 A 3198 3002 20.17      
5 A 3185 2990 27.76      
6 A 3119 2928 30.02      
7 A 3107 2916 13.57      
8 A 3083 2894 32.03      
9 A 1892 1776 502.24      
10 A 1695 1590 159.89      
11 A 1592 1494 2.16      
12 A 1563 1467 3.22      
13 A 1554 1459 6.84      
14 A 1520 1426 26.58      
15 A 1496 1404 257.21      
16 A 1477 1386 20.34      
17 A 1411 1325 17.41      
18 A 1343 1261 6.46      
19 A 1242 1166 19.28      
20 A 1205 1131 2.76      
21 A 1179 1106 35.00      
22 A 1112 1044 11.43      
23 A 1027 964 3.47      
24 A 933 876 1.52      
25 A 846 794 0.97      
26 A 806 756 112.42      
27 A 661 620 35.13      
28 A 627 589 227.54      
29 A 575 540 20.72      
30 A 515 483 53.46      
31 A 425 399 73.72      
32 A 373 350 0.58      
33 A 280 263 2.85      
34 A 207 195 1.74      
35 A 121 113 9.87      
36 A 64 60 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 27224.2 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 25552.6 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 MP3/6-31G*
ABC
0.28364 0.06726 0.05608

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.614 -0.211 0.001
H2 -2.683 -1.070 0.676
H3 -3.425 0.479 0.251
H4 -2.760 -0.563 -1.024
C5 -1.265 0.482 0.140
H6 -1.243 1.353 -0.526
H7 -1.129 0.854 1.164
N8 -0.197 -0.442 -0.237
H9 -0.390 -1.422 -0.075
N10 1.465 1.174 0.040
H11 2.462 1.320 -0.038
H12 0.917 1.807 -0.527
C13 1.142 -0.175 -0.029
O14 1.975 -1.057 0.101

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09501.09341.09361.52302.14542.16652.44022.53384.30755.30264.10133.75654.6673
H21.09501.76951.77622.16923.06392.52062.72212.43834.75815.71804.76283.99114.6930
H31.09341.76951.77552.16282.47522.49953.39223.59594.94295.95394.60654.62195.6156
H41.09361.77621.77552.16412.49443.07562.68472.69424.69025.63894.40334.04604.8920
C51.52302.16922.16282.16411.09671.09821.46152.10602.81763.82452.63872.50053.5864
H62.14543.06392.47522.49441.09671.76572.09722.93772.77153.73722.20712.87534.0682
H72.16652.52062.49953.07561.09821.76572.12372.69432.84453.81542.82032.76363.7960
N82.44022.72213.39222.68471.46152.09722.12371.01212.33373.19612.52631.38072.2819
H92.53382.43833.59592.69422.10602.93772.69431.01213.19223.95693.51291.97602.3991
N104.30754.75814.94294.69022.81762.77152.84452.33373.19221.01151.01091.38832.2889
H115.30265.71805.95395.63893.82453.73723.81543.19613.95691.01151.69241.99472.4305
H124.10134.76284.60654.40332.63872.20712.82032.52633.51291.01091.69242.05593.1169
C133.75653.99114.62194.04602.50052.87532.76361.38071.97601.38831.99472.05591.2198
O144.66734.69305.61564.89203.58644.06823.79602.28192.39912.28892.43053.11691.2198

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 108.872 C1 C5 H7 110.444
C1 C5 N8 109.680 H2 C1 H3 107.916
H2 C1 H4 108.494 H2 C1 C5 110.838
H3 C1 H4 108.557 H3 C1 C5 110.429
H4 C1 C5 110.524 C5 N8 H9 115.525
C5 N8 C13 123.209 H6 C5 H7 107.125
H6 C5 N8 109.308 H7 C5 N8 111.343
N8 C13 N10 114.868 N8 C13 O14 122.552
H9 N8 C13 110.386 N10 C13 O14 122.574
H11 N10 H12 113.614 H11 N10 C13 111.479
H12 N10 C13 117.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability