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

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-302.556529
Energy at 298.15K-302.566351
HF Energy-301.900601
Nuclear repulsion energy244.303818
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 QCISD/6-31G
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 3627 3495 20.25      
2 A 3134 3020 11.21      
3 A 3076 2964 12.20      
4 A 3006 2897 1.96      
5 A 1685 1623 155.98      
6 A 1575 1518 32.03      
7 A 1548 1491 2.45      
8 A 1531 1476 17.97      
9 A 1486 1432 31.76      
10 A 1208 1164 0.26      
11 A 1185 1142 1.72      
12 A 1176 1133 11.51      
13 A 918 884 1.64      
14 A 503 485 15.40      
15 A 370 357 81.39      
16 A 233 225 2.41      
17 A 176 169 0.09      
18 A 62 60 0.02      
19 B 3622 3490 9.23      
20 B 3134 3020 6.13      
21 B 3077 2965 66.81      
22 B 3005 2896 114.67      
23 B 1605 1547 342.85      
24 B 1564 1507 15.18      
25 B 1538 1482 79.10      
26 B 1496 1441 9.86      
27 B 1317 1269 252.84      
28 B 1187 1144 8.60      
29 B 1178 1135 26.92      
30 B 1038 1000 2.45      
31 B 723 697 77.84      
32 B 711 685 2.53      
33 B 488 471 243.03      
34 B 337 325 44.95      
35 B 125 120 13.18      
36 B 67 64 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 26355.0 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 25395.7 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 QCISD/6-31G
ABC
0.31661 0.06996 0.05865

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.087
O2 0.000 0.000 1.354
N3 0.018 1.172 -0.664
N4 -0.018 -1.172 -0.664
C5 0.000 2.483 0.009
C6 0.000 -2.483 0.009
H7 -0.283 1.133 -1.630
H8 0.283 -1.133 -1.630
H9 0.434 3.236 -0.667
H10 -0.434 -3.236 -0.667
H11 0.611 2.413 0.918
H12 -0.611 -2.413 0.918
H13 -1.018 2.796 0.299
H14 1.018 -2.796 0.299

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.26711.39181.39182.48412.48412.07692.07693.35053.35052.62392.62392.98362.9836
O21.26712.33362.33362.82392.82393.20483.20483.83953.83952.52672.52673.15733.1573
N31.39182.33362.34341.47403.71591.01262.51322.10554.43032.09643.96802.15474.2039
N41.39182.33362.34343.71591.47402.51321.01264.43032.10553.96802.09644.20392.1547
C52.48412.82391.47403.71594.96572.14183.98041.10055.77461.09765.01661.10455.3844
C62.48412.82393.71591.47404.96573.98042.14185.77461.10055.01661.09765.38441.1045
H72.07693.20481.01262.51322.14183.98042.33622.42084.47652.98804.37902.65164.5672
H82.07693.20482.51321.01263.98042.14182.33624.47652.42084.37902.98804.56722.6516
H93.35053.83952.10554.43031.10055.77462.42084.47656.52911.79465.95871.79876.1368
H103.35053.83954.43032.10555.77461.10054.47652.42086.52915.95871.79466.13681.7987
H112.62392.52672.09643.96801.09765.01662.98804.37901.79465.95874.97761.78445.2614
H122.62392.52673.96802.09645.01661.09764.37902.98805.95871.79464.97765.26141.7844
H132.98363.15732.15474.20391.10455.38442.65164.56721.79876.13681.78445.26145.9520
H142.98363.15734.20392.15475.38441.10454.56722.65166.13681.79875.26141.78445.9520

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 120.156 C1 N3 H7 118.645
C1 N4 C6 120.156 C1 N4 H8 118.645
O2 C1 N3 122.662 O2 C1 N4 122.662
N3 C1 N4 114.676 N3 C5 H9 108.872
N3 C5 H11 108.326 N3 C5 H13 112.577
N4 C6 H10 108.872 N4 C6 H12 108.326
N4 C6 H14 112.577 C5 N3 H7 117.739
C6 N4 H8 117.739 H9 C5 H11 109.452
H9 C5 H13 109.321 H10 C6 H12 109.452
H10 C6 H14 109.321 H11 C5 H13 108.251
H12 C6 H14 108.251
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability