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

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-303.200628
Energy at 298.15K-303.210829
HF Energy-302.079018
Nuclear repulsion energy249.264365
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 CCD/6-31G(2df,p)
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 3694 3499 30.48      
2 A 3218 3048 7.73      
3 A 3171 3004 7.54      
4 A 3090 2927 3.33      
5 A 1864 1766 246.55      
6 A 1560 1477 15.68      
7 A 1530 1449 0.14      
8 A 1510 1431 4.04      
9 A 1485 1406 3.94      
10 A 1233 1168 0.08      
11 A 1208 1144 1.18      
12 A 1170 1108 6.11      
13 A 950 900 0.79      
14 A 558 528 90.91      
15 A 445 422 47.66      
16 A 228 216 3.49      
17 A 199 189 0.05      
18 A 107 101 0.35      
19 B 3691 3496 12.59      
20 B 3218 3048 4.96      
21 B 3171 3004 37.28      
22 B 3090 2927 78.23      
23 B 1604 1519 378.13      
24 B 1544 1462 2.97      
25 B 1522 1442 64.78      
26 B 1487 1408 8.76      
27 B 1303 1234 196.48      
28 B 1183 1121 20.26      
29 B 1170 1108 9.44      
30 B 1077 1020 1.02      
31 B 801 759 29.14      
32 B 754 714 25.71      
33 B 504 478 94.61      
34 B 323 306 45.31      
35 B 125 118 8.16      
36 B 116 110 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 26950.6 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 25527.6 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 CCD/6-31G(2df,p)
ABC
0.32999 0.07322 0.06156

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.091
O2 0.000 0.000 1.301
N3 0.000 1.155 -0.667
N4 0.000 -1.155 -0.667
C5 -0.259 2.407 0.025
C6 0.259 -2.407 0.025
H7 -0.427 1.066 -1.574
H8 0.427 -1.066 -1.574
H9 -0.062 3.234 -0.657
H10 0.062 -3.234 -0.657
H11 0.413 2.482 0.877
H12 -0.413 -2.482 0.877
H13 -1.286 2.484 0.396
H14 1.286 -2.484 0.396

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.21061.38131.38132.42142.42142.02232.02233.31973.31972.63572.63572.81352.8135
O21.21062.28222.28222.73652.73653.09613.09613.78123.78122.55122.55122.93972.9397
N31.38132.28222.30961.45363.63721.00612.43672.07984.38902.07723.97212.13324.0030
N41.38132.28222.30963.63721.45362.43671.00614.38902.07983.97212.07724.00302.1332
C52.42142.73651.45363.63724.84102.09283.88421.09035.69051.08814.96421.09455.1421
C62.42142.73653.63721.45364.84103.88422.09285.69051.09034.96421.08815.14211.0945
H72.02233.09611.00612.43672.09283.88422.29712.38144.42362.95214.31202.57464.4065
H82.02233.09612.43671.00613.88422.09282.29714.42362.38144.31202.95214.40652.5746
H93.31973.78122.07984.38901.09035.69052.38144.42366.46861.77365.92811.78105.9679
H103.31973.78124.38902.07985.69051.09034.42362.38146.46865.92811.77365.96791.7810
H112.63572.55122.07723.97211.08814.96422.95214.31201.77365.92815.03141.76585.0643
H122.63572.55123.97212.07724.96421.08814.31202.95215.92811.77365.03145.06431.7658
H132.81352.93972.13324.00301.09455.14212.57464.40651.78105.96791.76585.06435.5938
H142.81352.93974.00302.13325.14211.09454.40652.57465.96791.78105.06431.76585.5938

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 117.314 C1 N3 H7 114.891
C1 N4 C6 117.314 C1 N4 H8 114.891
O2 C1 N3 123.274 O2 C1 N4 123.274
N3 C1 N4 113.453 N3 C5 H9 108.855
N3 C5 H11 108.773 N3 C5 H13 112.932
N4 C6 H10 108.855 N4 C6 H12 108.773
N4 C6 H14 112.932 C5 N3 H7 115.409
C6 N4 H8 115.409 H9 C5 H11 109.008
H9 C5 H13 109.210 H10 C6 H12 109.008
H10 C6 H14 109.210 H11 C5 H13 107.997
H12 C6 H14 107.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability