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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-303.057941
Energy at 298.15K-303.068564
HF Energy-302.115219
Nuclear repulsion energy244.325614
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 MP2/6-311G*
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 3746 3560 25.24      
2 A 3652 3470 24.28      
3 A 3626 3446 21.38      
4 A 3183 3025 20.02      
5 A 3173 3015 28.00      
6 A 3106 2952 26.08      
7 A 3083 2930 16.65      
8 A 3064 2912 35.79      
9 A 1838 1747 451.23      
10 A 1698 1614 151.49      
11 A 1569 1491 2.58      
12 A 1543 1466 5.63      
13 A 1535 1459 9.06      
14 A 1500 1425 12.55      
15 A 1457 1385 213.65      
16 A 1449 1377 74.92      
17 A 1390 1320 19.79      
18 A 1333 1267 5.52      
19 A 1224 1163 20.20      
20 A 1191 1132 1.55      
21 A 1166 1108 36.57      
22 A 1096 1041 15.11      
23 A 1009 959 3.11      
24 A 918 872 2.02      
25 A 837 795 0.71      
26 A 801 761 92.19      
27 A 649 617 22.46      
28 A 625 594 236.10      
29 A 567 539 17.77      
30 A 510 485 50.84      
31 A 428 407 63.85      
32 A 369 351 0.12      
33 A 287 273 3.08      
34 A 205 195 1.74      
35 A 116 110 9.59      
36 A 58 55 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 26999.3 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 25657.5 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 MP2/6-311G*
ABC
0.28211 0.06756 0.05621

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.606 -0.221 0.008
H2 -2.671 -1.038 0.733
H3 -3.421 0.476 0.214
H4 -2.747 -0.634 -0.993
C5 -1.264 0.486 0.110
H6 -1.247 1.316 -0.605
H7 -1.134 0.914 1.113
N8 -0.195 -0.449 -0.208
H9 -0.390 -1.426 -0.051
N10 1.447 1.177 0.048
H11 2.435 1.345 -0.051
H12 0.866 1.816 -0.470
C13 1.145 -0.175 -0.031
O14 1.988 -1.051 0.087

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09331.09181.09211.52012.14172.16262.43112.52284.28745.27884.05353.75184.6688
H21.09331.76671.77392.16533.05922.51372.71332.44294.72575.68864.70083.98654.7035
H31.09181.76671.77252.15882.47002.49603.38173.58754.92055.92564.54284.61865.6213
H41.09211.77391.77252.16072.49043.07112.67602.65874.68495.62594.39584.03544.8741
C51.52012.16532.15882.16071.09611.09761.45542.10872.79853.80102.57722.50283.5973
H62.14173.05922.47002.49041.09611.76752.09282.92622.77563.72382.17552.87744.0682
H72.16262.51372.49603.07111.09761.76752.11702.71732.80373.77792.70442.77273.8286
N82.43112.71333.38172.67601.45542.09282.11701.00902.32483.18702.51411.37952.2838
H92.52282.44293.58752.65872.10872.92622.71731.00903.18763.95683.50151.98062.4113
N104.28744.72574.92054.68492.79852.77562.80372.32483.18761.00711.00651.38782.2934
H115.27885.68865.92565.62593.80103.72383.77793.18703.95681.00711.69101.99322.4409
H124.05354.70084.54284.39582.57722.17552.70442.51413.50151.00651.69102.05763.1284
C133.75183.98654.61864.03542.50282.87742.77271.37951.98061.38781.99322.05761.2211
O144.66884.70355.62134.87413.59734.06823.82862.28382.41132.29342.44093.12841.2211

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 108.817 C1 C5 H7 110.363
C1 C5 N8 109.558 H2 C1 H3 107.907
H2 C1 H4 108.533 H2 C1 C5 110.837
H3 C1 H4 108.518 H3 C1 C5 110.411
H4 C1 C5 110.551 C5 N8 H9 116.499
C5 N8 C13 123.952 H6 C5 H7 107.360
H6 C5 N8 109.413 H7 C5 N8 111.270
N8 C13 N10 114.298 N8 C13 O14 122.728
H9 N8 C13 111.085 N10 C13 O14 122.938
H11 N10 H12 114.245 H11 N10 C13 111.679
H12 N10 C13 117.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability