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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-301.021271
Energy at 298.15K-301.031109
HF Energy-300.357161
Nuclear repulsion energy244.411397
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 MP4/3-21G
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 3559 3452        
2 A 3132 3037        
3 A 3062 2970        
4 A 3013 2922        
5 A 1683 1632        
6 A 1598 1550        
7 A 1587 1539        
8 A 1514 1468        
9 A 1472 1427        
10 A 1194 1158        
11 A 1175 1140        
12 A 1146 1111        
13 A 894 867        
14 A 499 484        
15 A 245 238        
16 A 241 234        
17 A 168 163        
18 A 96 93        
19 B 3553 3446        
20 B 3131 3037        
21 B 3063 2970        
22 B 3011 2920        
23 B 1604 1555        
24 B 1588 1540        
25 B 1535 1488        
26 B 1486 1441        
27 B 1229 1192        
28 B 1181 1145        
29 B 1173 1137        
30 B 1013 982        
31 B 733 711        
32 B 703 682        
33 B 460 446        
34 B 369 358        
35 B 148 144        
36 B 103 100        

Unscaled Zero Point Vibrational Energy (zpe) 26179.2 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 25388.6 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 MP4/3-21G
ABC
0.31435 0.07024 0.05874

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.092
O2 0.000 0.000 1.354
N3 0.000 1.170 -0.673
N4 0.000 -1.170 -0.673
C5 -0.065 2.479 0.013
C6 0.065 -2.479 0.013
H7 -0.177 1.127 -1.672
H8 0.177 -1.127 -1.672
H9 0.756 3.137 -0.308
H10 -0.756 -3.137 -0.308
H11 0.033 2.260 1.082
H12 -0.033 -2.260 1.082
H13 -1.026 2.988 -0.163
H14 1.026 -2.988 -0.163

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.26241.39781.39782.48162.48162.10032.10033.25173.25172.46732.46733.16913.1691
O21.26242.34072.34072.81982.81983.23383.23383.62993.62992.27622.27623.50443.5044
N31.39782.34072.33991.47973.71391.01512.51082.13894.38832.06623.85272.14864.3125
N41.39782.34072.33993.71391.47972.51081.01514.38832.13893.85272.06624.31252.1486
C52.48162.81981.47973.71394.96062.16333.98771.09965.66811.09604.85831.10135.5776
C62.48162.81983.71391.47974.96063.98772.16335.66811.09964.85831.09605.57761.1013
H72.10033.23381.01512.51082.16333.98772.28142.60244.51412.98514.36722.54144.5445
H82.10033.23382.51081.01513.98772.16332.28144.51412.60244.36722.98514.54452.5414
H93.25173.62992.13894.38831.09965.66812.60244.51416.45411.79575.62861.79396.1325
H103.25173.62994.38832.13895.66811.09964.51412.60246.45415.62861.79576.13251.7939
H112.46732.27622.06623.85271.09604.85832.98514.36721.79575.62864.51971.78965.4836
H122.46732.27623.85272.06624.85831.09604.36722.98515.62861.79574.51975.48361.7896
H133.16913.50442.14864.31251.10135.57762.54144.54451.79396.13251.78965.48366.3177
H143.16913.50444.31252.14865.57761.10134.54452.54146.13251.79395.48361.78966.3177

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 119.145 C1 N3 H7 120.182
C1 N4 C6 119.145 C1 N4 H8 120.182
O2 C1 N3 123.176 O2 C1 N4 123.176
N3 C1 N4 113.647 N3 C5 H9 111.189
N3 C5 H11 105.713 N3 C5 H13 111.873
N4 C6 H10 111.189 N4 C6 H12 105.713
N4 C6 H14 111.873 C5 N3 H7 119.076
C6 N4 H8 119.076 H9 C5 H11 109.741
H9 C5 H13 109.186 H10 C6 H12 109.741
H10 C6 H14 109.186 H11 C5 H13 109.062
H12 C6 H14 109.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability