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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-300.966089
Energy at 298.15K-300.976434
HF Energy-300.363117
Nuclear repulsion energy241.423545
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 MP2/3-21G*
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 3689 3509 22.80      
2 A 3591 3416 26.12      
3 A 3559 3386 24.32      
4 A 3173 3018 23.13      
5 A 3167 3013 22.92      
6 A 3107 2956 15.61      
7 A 3092 2941 11.85      
8 A 3046 2897 45.21      
9 A 1767 1681 292.26      
10 A 1711 1627 116.59      
11 A 1634 1555 6.47      
12 A 1608 1529 6.15      
13 A 1597 1520 6.05      
14 A 1502 1429 6.00      
15 A 1484 1412 1.96      
16 A 1421 1352 53.31      
17 A 1395 1327 305.08      
18 A 1354 1288 2.15      
19 A 1229 1169 5.43      
20 A 1211 1152 17.13      
21 A 1136 1080 49.99      
22 A 1062 1010 19.87      
23 A 975 928 1.77      
24 A 899 855 2.76      
25 A 870 828 2.07      
26 A 775 737 85.06      
27 A 585 556 135.74      
28 A 564 536 70.87      
29 A 548 522 30.44      
30 A 480 457 21.97      
31 A 378 360 100.91      
32 A 361 344 81.26      
33 A 287 273 2.52      
34 A 206 196 3.30      
35 A 101 96 6.07      
36 A 23 22 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 26792.3 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 25487.6 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 MP2/3-21G*
ABC
0.26951 0.06639 0.05517

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.613 -0.255 0.162
H2 -2.523 -0.905 1.038
H3 -3.439 0.444 0.323
H4 -2.844 -0.869 -0.715
C5 -1.292 0.515 -0.061
H6 -1.411 1.191 -0.920
H7 -1.062 1.126 0.820
N8 -0.187 -0.442 -0.289
H9 -0.413 -1.429 -0.358
N10 1.434 1.191 0.092
H11 2.412 1.411 0.236
H12 0.881 1.872 -0.413
C13 1.156 -0.179 -0.025
O14 2.021 -1.070 0.114

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09421.09451.09491.54512.16922.17872.47462.54704.29875.29514.13123.77404.7053
H21.09421.78021.78252.17623.07552.51092.72592.58354.57665.51014.62623.89684.6395
H31.09451.78021.77702.18232.49322.52233.42603.62354.93605.93174.60974.64995.6701
H41.09491.78251.77702.17972.51763.08402.72442.51984.81655.80814.63494.11694.9390
C51.54512.17622.18232.17971.09971.09641.47962.15382.81333.82312.58662.54443.6769
H62.16923.07552.49322.51761.09971.77542.13632.85923.02024.00082.44483.04424.2383
H72.17872.51092.52233.08401.09641.77542.11072.88722.60133.53472.41942.70813.8505
N82.47462.72593.42602.72441.47962.13632.11071.01452.33263.23552.55171.39352.3307
H92.54702.58353.62352.51982.15382.85922.88721.01453.23704.04993.54572.03322.5051
N104.29874.57664.93604.81652.81333.02022.60132.33263.23701.01291.01211.40262.3361
H115.29515.51015.93175.80813.82314.00083.53473.23554.04991.01291.72562.04352.5151
H124.13124.62624.60974.63492.58662.44482.41942.55173.54571.01211.72562.10503.1987
C133.77403.89684.64994.11692.54443.04422.70811.39352.03321.40262.04352.10501.2501
O144.70534.63955.67014.93903.67694.23833.85052.33072.50512.33612.51513.19871.2501

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 109.048 C1 C5 H7 109.978
C1 C5 N8 109.778 H2 C1 H3 108.849
H2 C1 H4 109.030 H2 C1 C5 109.905
H3 C1 H4 108.512 H3 C1 C5 110.368
H4 C1 C5 110.140 C5 N8 H9 118.235
C5 N8 C13 124.616 H6 C5 H7 107.891
H6 C5 N8 110.983 H7 C5 N8 109.139
N8 C13 N10 113.068 N8 C13 O14 123.588
H9 N8 C13 114.286 N10 C13 O14 123.336
H11 N10 H12 116.895 H11 N10 C13 114.596
H12 N10 C13 120.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability