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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-302.932241
Energy at 298.15K-302.942859
HF Energy-302.044960
Nuclear repulsion energy243.835826
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 MP2/6-31G*
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 3719 3507 32.09      
2 A 3620 3414 30.61      
3 A 3598 3393 28.18      
4 A 3213 3030 17.11      
5 A 3201 3019 23.26      
6 A 3130 2952 28.75      
7 A 3112 2935 13.07      
8 A 3085 2909 31.35      
9 A 1845 1740 409.26      
10 A 1678 1582 152.72      
11 A 1591 1500 2.44      
12 A 1566 1477 5.06      
13 A 1558 1469 6.90      
14 A 1496 1411 11.44      
15 A 1473 1389 98.62      
16 A 1470 1386 181.60      
17 A 1399 1320 19.29      
18 A 1340 1264 6.84      
19 A 1232 1162 21.89      
20 A 1202 1134 2.51      
21 A 1166 1099 28.79      
22 A 1104 1041 14.69      
23 A 1018 960 2.93      
24 A 926 873 1.48      
25 A 847 799 0.89      
26 A 786 741 106.59      
27 A 658 620 34.76      
28 A 625 589 230.18      
29 A 563 531 16.11      
30 A 511 482 45.73      
31 A 424 400 72.72      
32 A 370 349 0.64      
33 A 286 269 2.87      
34 A 205 194 1.61      
35 A 122 115 9.65      
36 A 64 60 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 27100.9 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 25556.2 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 MP2/6-31G*
ABC
0.28172 0.06725 0.05600

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.608 -0.224 0.004
H2 -2.672 -1.050 0.718
H3 -3.423 0.472 0.218
H4 -2.747 -0.623 -1.004
C5 -1.269 0.485 0.116
H6 -1.249 1.322 -0.592
H7 -1.143 0.906 1.123
N8 -0.197 -0.446 -0.206
H9 -0.390 -1.429 -0.049
N10 1.447 1.181 0.046
H11 2.440 1.348 -0.056
H12 0.865 1.824 -0.476
C13 1.145 -0.173 -0.028
O14 1.995 -1.054 0.085

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09401.09271.09271.51902.14222.16172.43052.52494.29105.28724.05983.75344.6780
H21.09401.76891.77562.16413.05992.51462.70962.43684.73135.69874.71043.98624.7093
H31.09271.76891.77442.15682.47072.49093.38123.58954.92415.93464.54944.62005.6305
H41.09271.77561.77442.16032.48913.07122.67812.66774.68415.62924.39444.03764.8845
C51.51902.16412.15682.16031.09691.09831.45592.11252.80413.81182.58782.50593.6085
H62.14223.05992.47072.48911.09691.76762.09402.93312.77403.72822.17612.87884.0782
H72.16172.51462.49093.07121.09831.76762.11902.71932.81853.79802.72612.77953.8430
N82.43052.70963.38122.67811.45592.09402.11901.01392.32623.19302.52071.38072.2930
H92.52492.43683.58952.66772.11252.93312.71931.01393.19293.96533.51281.98362.4182
N104.29104.73134.92414.68412.80412.77402.81852.32623.19291.01251.01191.38912.3016
H115.28725.69875.93465.62923.81183.72823.79803.19303.96531.01251.69801.99812.4474
H124.05984.71044.54944.39442.58782.17612.72612.52073.51281.01191.69802.06583.1425
C133.75343.98624.62004.03762.50592.87882.77951.38071.98361.38911.99812.06581.2294
O144.67804.70935.63054.88453.60854.07823.84302.29302.41822.30162.44743.14251.2294

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 108.877 C1 C5 H7 110.332
C1 C5 N8 109.550 H2 C1 H3 107.990
H2 C1 H4 108.584 H2 C1 C5 110.782
H3 C1 H4 108.574 H3 C1 C5 110.282
H4 C1 C5 110.552 C5 N8 H9 116.443
C5 N8 C13 124.093 H6 C5 H7 107.259
H6 C5 N8 109.418 H7 C5 N8 111.344
N8 C13 N10 114.242 N8 C13 O14 122.818
H9 N8 C13 110.929 N10 C13 O14 122.922
H11 N10 H12 114.029 H11 N10 C13 111.652
H12 N10 C13 117.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability