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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-303.147826
Energy at 298.15K-303.158468
HF Energy-302.155717
Nuclear repulsion energy244.551600
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/TZVP
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 3734 3540 34.06      
2 A 3635 3446 27.35      
3 A 3611 3423 25.86      
4 A 3191 3025 18.84      
5 A 3179 3014 26.29      
6 A 3117 2955 23.44      
7 A 3090 2929 15.74      
8 A 3070 2910 35.75      
9 A 1803 1709 492.70      
10 A 1640 1555 143.05      
11 A 1548 1468 2.99      
12 A 1529 1449 4.34      
13 A 1517 1438 6.45      
14 A 1487 1410 12.87      
15 A 1442 1367 12.96      
16 A 1435 1360 254.06      
17 A 1386 1314 35.74      
18 A 1324 1255 9.34      
19 A 1217 1153 18.31      
20 A 1183 1121 2.79      
21 A 1147 1088 37.92      
22 A 1087 1030 16.44      
23 A 1003 951 5.18      
24 A 914 866 2.06      
25 A 840 796 1.43      
26 A 774 733 67.93      
27 A 657 623 36.36      
28 A 606 575 193.44      
29 A 568 539 45.05      
30 A 519 492 51.34      
31 A 431 409 44.43      
32 A 367 348 0.16      
33 A 276 261 2.15      
34 A 205 194 1.64      
35 A 120 114 8.97      
36 A 69 65 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 26860.1 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 25460.7 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/TZVP
ABC
0.28443 0.06749 0.05625

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.626 -0.064 -0.083
H2 -2.795 -1.140 -0.042
H3 -3.376 0.431 0.532
H4 -2.740 0.270 -1.114
C5 -1.223 0.274 0.414
H6 -1.071 1.350 0.377
H7 -1.118 -0.055 1.452
N8 -0.205 -0.379 -0.439
H9 -0.330 -1.387 -0.413
N10 1.468 1.195 -0.012
H11 2.458 1.254 0.205
H12 1.286 1.679 -0.888
C13 1.117 -0.150 -0.072
O14 1.904 -1.059 0.187

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.08961.08921.08971.52672.15122.15272.46692.66974.28425.25964.35773.74434.6461
H21.08961.77041.77232.16273.05662.49442.72772.50414.86055.77715.03104.03534.7051
H31.08921.77041.77272.16222.48592.48643.41353.67034.93445.90035.03094.57075.4970
H41.08971.77231.77272.15322.48443.05362.70183.00684.44725.45154.27094.01715.0025
C51.52672.16272.16222.15321.08691.09451.47952.05832.87603.81423.15632.42723.4066
H62.15123.05662.48592.48441.08691.76972.09862.94262.57403.53432.69552.69063.8327
H72.15272.49442.48643.05361.09451.76972.12492.42303.22394.00633.77652.70713.4262
N82.46692.72773.41352.70181.47952.09862.12491.01542.33693.18942.58081.39162.3032
H92.66972.50413.67033.00682.05832.94262.42301.01543.17163.88913.49771.93432.3369
N104.28424.86054.93444.44722.87602.57403.22392.33693.17161.01431.01771.39072.3038
H115.25965.77715.90035.45153.81423.53434.00633.18943.88911.01431.65791.96032.3778
H124.35775.03105.03094.27093.15632.69553.77652.58083.49771.01771.65792.00923.0055
C133.74434.03534.57074.01712.42722.69062.70711.39161.93431.39071.96032.00921.2302
O144.64614.70515.49705.00253.40663.83273.42622.30322.33692.30382.37783.00551.2302

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 109.641 C1 C5 H7 109.312
C1 C5 N8 110.278 H2 C1 H3 108.695
H2 C1 H4 108.823 H2 C1 C5 110.389
H3 C1 H4 108.895 H3 C1 C5 110.372
H4 C1 C5 109.629 C5 N8 H9 109.771
C5 N8 C13 115.391 H6 C5 H7 108.442
H6 C5 N8 108.754 H7 C5 N8 110.385
N8 C13 N10 114.263 N8 C13 O14 122.804
H9 N8 C13 105.890 N10 C13 O14 122.930
H11 N10 H12 109.351 H11 N10 C13 108.169
H12 N10 C13 112.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability