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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-302.956700
Energy at 298.15K-302.967322
HF Energy-302.045238
Nuclear repulsion energy244.065884
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=FULL/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 3721 3506 32.68      
2 A 3623 3413 31.49      
3 A 3600 3392 28.51      
4 A 3214 3028 16.81      
5 A 3203 3017 22.85      
6 A 3129 2948 28.85      
7 A 3113 2933 12.98      
8 A 3085 2907 31.49      
9 A 1849 1742 413.52      
10 A 1678 1581 154.66      
11 A 1592 1500 2.58      
12 A 1567 1476 5.06      
13 A 1559 1469 7.02      
14 A 1498 1411 12.65      
15 A 1476 1390 153.49      
16 A 1472 1387 127.18      
17 A 1401 1320 18.29      
18 A 1342 1265 6.60      
19 A 1235 1164 21.91      
20 A 1204 1135 2.44      
21 A 1166 1099 26.97      
22 A 1105 1041 14.91      
23 A 1020 961 2.88      
24 A 927 873 1.63      
25 A 849 800 0.86      
26 A 789 744 101.15      
27 A 652 614 35.13      
28 A 622 586 227.01      
29 A 564 532 17.01      
30 A 512 482 46.70      
31 A 422 398 77.35      
32 A 371 350 0.72      
33 A 287 270 2.89      
34 A 206 194 1.69      
35 A 122 115 9.61      
36 A 65 62 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 27119.8 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 25552.3 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=FULL/6-31G*
ABC
0.28234 0.06739 0.05610

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.608 -0.218 0.011
H2 -2.667 -1.063 0.703
H3 -3.422 0.470 0.251
H4 -2.758 -0.590 -1.006
C5 -1.266 0.483 0.127
H6 -1.253 1.341 -0.554
H7 -1.123 0.874 1.143
N8 -0.198 -0.440 -0.240
H9 -0.392 -1.423 -0.081
N10 1.454 1.178 0.045
H11 2.452 1.333 -0.028
H12 0.901 1.813 -0.517
C13 1.142 -0.174 -0.030
O14 1.983 -1.059 0.101

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09371.09241.09241.51912.14162.16372.43352.52454.29545.29304.08963.75054.6690
H21.09371.76751.77472.16413.05902.51562.71502.43284.73635.69904.74283.97884.6889
H31.09241.76751.77342.15972.47182.49873.38573.58824.93095.94354.59204.61725.6194
H41.09241.77471.77342.15932.48983.07152.67642.67364.68725.63934.40554.04174.8915
C51.51912.16412.15972.15931.09621.09761.45832.10702.80803.81692.62352.50023.5965
H62.14163.05902.47182.48981.09621.76532.09422.93402.77733.74262.20632.88224.0827
H72.16372.51562.49873.07151.09761.76532.11982.70312.81723.78982.78182.75663.8038
N82.43352.71503.38572.67641.45832.09422.11981.01462.32963.19562.52261.38202.2930
H92.52452.43283.58822.67362.10702.93402.70311.01463.19183.96083.51261.97882.4098
N104.29544.73634.93094.68722.80802.77732.81722.32963.19181.01301.01231.38922.2997
H115.29305.69905.94355.63933.81693.74263.78983.19563.96081.01301.69531.99702.4413
H124.08964.74284.59204.40552.62352.20632.78182.52263.51261.01231.69532.06013.1312
C133.75053.97884.61724.04172.50022.88222.75661.38201.97881.38921.99702.06011.2286
O144.66904.68895.61944.89153.59654.08273.80382.29302.40982.29972.44133.13121.2286

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 108.869 C1 C5 H7 110.521
C1 C5 N8 109.616 H2 C1 H3 107.897
H2 C1 H4 108.548 H2 C1 C5 110.790
H3 C1 H4 108.518 H3 C1 C5 110.517
H4 C1 C5 110.487 C5 N8 H9 115.708
C5 N8 C13 123.323 H6 C5 H7 107.162
H6 C5 N8 109.318 H7 C5 N8 111.288
N8 C13 N10 114.415 N8 C13 O14 122.777
H9 N8 C13 110.369 N10 C13 O14 122.800
H11 N10 H12 113.658 H11 N10 C13 111.508
H12 N10 C13 117.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability