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

using model chemistry: MP3=FULL/6-31+G**

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=FULL/6-31+G**
 hartrees
Energy at 0K-303.081256
Energy at 298.15K-303.091876
HF Energy-302.076038
Nuclear repulsion energy244.547751
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=FULL/6-31+G**
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 3814 3554 38.00      
2 A 3730 3475 33.42      
3 A 3695 3442 30.19      
4 A 3229 3008 22.73      
5 A 3219 2999 29.47      
6 A 3151 2935 24.68      
7 A 3133 2919 17.53      
8 A 3112 2899 38.21      
9 A 1849 1722 641.80      
10 A 1693 1577 163.51      
11 A 1589 1480 3.54      
12 A 1558 1452 3.28      
13 A 1548 1442 6.82      
14 A 1522 1418 30.95      
15 A 1486 1385 255.15      
16 A 1475 1374 37.08      
17 A 1412 1315 23.60      
18 A 1342 1250 5.47      
19 A 1240 1155 18.74      
20 A 1205 1122 2.00      
21 A 1171 1090 33.41      
22 A 1109 1033 13.54      
23 A 1026 956 4.84      
24 A 929 865 1.83      
25 A 847 789 0.82      
26 A 792 738 65.09      
27 A 629 586 40.19      
28 A 601 560 176.50      
29 A 570 531 40.46      
30 A 516 480 60.46      
31 A 423 395 78.60      
32 A 373 347 0.24      
33 A 275 256 2.45      
34 A 206 192 2.38      
35 A 117 109 9.27      
36 A 64 60 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 27324.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 25455.0 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=FULL/6-31+G**
ABC
0.28524 0.06735 0.05604

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.612 -0.222 0.005
H2 -2.679 -1.023 0.739
H3 -3.422 0.478 0.195
H4 -2.750 -0.647 -0.988
C5 -1.271 0.488 0.102
H6 -1.250 1.303 -0.625
H7 -1.152 0.931 1.093
N8 -0.194 -0.450 -0.183
H9 -0.394 -1.428 -0.053
N10 1.457 1.173 0.041
H11 2.442 1.354 -0.048
H12 0.860 1.835 -0.421
C13 1.146 -0.175 -0.026
O14 1.991 -1.052 0.077

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.08901.08731.08821.52072.13942.15562.43592.52574.30215.29444.05793.75824.6780
H21.08901.76121.76862.16173.05172.50502.71132.45214.73485.70034.69443.99124.7166
H31.08731.76121.76562.15322.46432.48303.37983.58684.93115.93414.53384.61955.6264
H41.08821.76861.76562.15922.48643.06162.68672.65234.69795.64274.41704.04014.8758
C51.52072.16172.15322.15921.09171.09251.45612.11282.81363.81552.57442.50923.6073
H62.13943.05172.46432.48641.09171.76122.09312.91792.79083.73682.18512.87774.0667
H72.15562.50502.48303.06161.09251.76122.10972.72952.82383.79452.67552.78443.8522
N82.43592.71133.37982.68671.45612.09312.10971.00632.32623.19712.52761.37672.2814
H92.52572.45213.58682.65232.11282.91792.72951.00633.19343.97213.51461.98462.4176
N104.30214.73484.93114.69792.81362.79082.82382.32623.19341.00511.00471.38532.2880
H115.29445.70035.93415.64273.81553.73683.79453.19713.97211.00511.69532.00482.4508
H124.05794.69444.53384.41702.57442.18512.67552.52763.51461.00471.69532.06883.1404
C133.75823.99124.61954.04012.50922.87772.78441.37671.98461.38532.00482.06881.2221
O144.67804.71665.62644.87583.60734.06673.85222.28142.41762.28802.45083.14041.2221

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 108.845 C1 C5 H7 110.072
C1 C5 N8 109.812 H2 C1 H3 108.043
H2 C1 H4 108.649 H2 C1 C5 110.766
H3 C1 H4 108.496 H3 C1 C5 110.192
H4 C1 C5 110.617 C5 N8 H9 117.022
C5 N8 C13 124.674 H6 C5 H7 107.473
H6 C5 N8 109.646 H7 C5 N8 110.938
N8 C13 N10 114.747 N8 C13 O14 122.668
H9 N8 C13 111.840 N10 C13 O14 122.566
H11 N10 H12 115.033 H11 N10 C13 113.043
H12 N10 C13 119.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability