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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-303.009584
Energy at 298.15K-303.020209
HF Energy-302.075024
Nuclear repulsion energy243.477627
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/cc-pVDZ
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 3712 3536 26.91      
2 A 3613 3441 24.07      
3 A 3587 3417 19.35      
4 A 3198 3046 17.13      
5 A 3185 3033 24.84      
6 A 3114 2966 30.16      
7 A 3087 2940 15.68      
8 A 3060 2914 38.25      
9 A 1844 1757 402.56      
10 A 1625 1548 136.68      
11 A 1527 1455 2.32      
12 A 1502 1431 2.92      
13 A 1492 1421 7.10      
14 A 1466 1397 42.28      
15 A 1447 1378 211.21      
16 A 1413 1346 14.79      
17 A 1361 1296 23.84      
18 A 1307 1245 9.03      
19 A 1215 1157 21.01      
20 A 1165 1110 2.30      
21 A 1149 1094 29.15      
22 A 1090 1038 16.91      
23 A 1005 957 4.01      
24 A 912 869 1.37      
25 A 822 783 2.09      
26 A 799 761 79.55      
27 A 670 638 38.06      
28 A 620 590 197.25      
29 A 562 535 17.36      
30 A 508 483 42.56      
31 A 417 397 49.57      
32 A 364 347 0.32      
33 A 288 275 2.69      
34 A 203 193 1.11      
35 A 120 115 8.93      
36 A 65 62 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 26756.4 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 25485.5 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/cc-pVDZ
ABC
0.28087 0.06715 0.05602

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.615 -0.207 -0.012
H2 -2.692 -1.104 0.626
H3 -3.430 0.479 0.268
H4 -2.756 -0.514 -1.061
C5 -1.259 0.467 0.168
H6 -1.228 1.376 -0.458
H7 -1.127 0.794 1.218
N8 -0.200 -0.448 -0.254
H9 -0.385 -1.428 -0.049
N10 1.446 1.188 0.039
H11 2.445 1.340 -0.074
H12 0.894 1.785 -0.572
C13 1.148 -0.175 -0.032
O14 1.989 -1.053 0.108

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.10351.10141.10191.52472.15172.17392.43932.54284.29405.29174.07323.76284.6826
H21.10351.78251.78792.17523.07772.52972.72372.42594.76695.73224.75814.00514.7103
H31.10141.78251.79042.17402.48702.51133.40133.60724.93305.94834.59454.63435.6340
H41.10191.78791.79042.17072.50473.09082.68122.73464.66505.60914.34104.05104.9161
C51.52472.17522.17402.17071.10461.10751.46132.09802.80223.81332.63022.49853.5861
H62.15173.07772.48702.50471.10461.77692.10372.95702.72583.69292.16332.86894.0704
H72.17392.52972.51133.09081.10751.77692.13692.66322.85743.83792.87542.77023.7883
N82.43932.72373.40132.68121.46132.10372.13691.01892.33883.19752.50611.39242.2994
H92.54282.42593.60722.73462.09802.95702.66321.01893.19493.95953.49771.98012.4088
N104.29404.76694.93304.66502.80222.72582.85742.33883.19491.01711.01681.39742.3070
H115.29175.73225.94835.60913.81333.69293.83793.19753.95951.01711.68871.99542.4431
H124.07324.75814.59454.34102.63022.16332.87542.50613.49771.01681.68872.04873.1167
C133.76284.00514.63434.05102.49852.86892.77021.39241.98011.39741.99542.04871.2239
O144.68264.71035.63404.91613.58614.07043.78832.29942.40882.30702.44313.11671.2239

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 108.791 C1 C5 H7 110.349
C1 C5 N8 109.537 H2 C1 H3 107.886
H2 C1 H4 108.323 H2 C1 C5 110.690
H3 C1 H4 108.701 H3 C1 C5 110.727
H4 C1 C5 110.429 C5 N8 H9 114.352
C5 N8 C13 122.195 H6 C5 H7 106.883
H6 C5 N8 109.359 H7 C5 N8 111.842
N8 C13 N10 113.930 N8 C13 O14 122.884
H9 N8 C13 109.427 N10 C13 O14 123.177
H11 N10 H12 112.250 H11 N10 C13 110.480
H12 N10 C13 115.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability