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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(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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-303.210904
Energy at 298.15K-303.221077
HF Energy-302.078478
Nuclear repulsion energy248.948349
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(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3677 3484 25.89      
2 A 3205 3036 8.40      
3 A 3156 2990 8.09      
4 A 3077 2916 3.50      
5 A 1830 1734 221.56      
6 A 1555 1473 14.26      
7 A 1526 1445 0.15      
8 A 1504 1425 4.29      
9 A 1479 1401 4.62      
10 A 1226 1162 0.06      
11 A 1200 1137 1.09      
12 A 1165 1104 6.90      
13 A 942 892 0.40      
14 A 560 531 92.36      
15 A 446 422 42.39      
16 A 227 215 3.30      
17 A 198 187 0.08      
18 A 104 98 0.36      
19 B 3674 3481 11.52      
20 B 3205 3036 5.19      
21 B 3156 2990 40.96      
22 B 3077 2915 84.47      
23 B 1594 1511 343.60      
24 B 1540 1459 3.86      
25 B 1518 1438 68.98      
26 B 1481 1403 9.42      
27 B 1295 1227 198.54      
28 B 1179 1117 23.11      
29 B 1166 1104 8.57      
30 B 1071 1015 1.17      
31 B 791 750 29.83      
32 B 750 710 25.93      
33 B 504 477 91.63      
34 B 323 306 44.63      
35 B 125 118 7.95      
36 B 112 106 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 26817.6 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 25407.0 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(2df,p)
ABC
0.32818 0.07314 0.06145

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.090
O2 0.000 0.000 1.306
N3 0.000 1.156 -0.669
N4 0.000 -1.156 -0.669
C5 -0.266 2.407 0.024
C6 0.266 -2.407 0.024
H7 -0.431 1.066 -1.575
H8 0.431 -1.066 -1.575
H9 -0.060 3.237 -0.653
H10 0.060 -3.237 -0.653
H11 0.397 2.477 0.885
H12 -0.397 -2.477 0.885
H13 -1.298 2.484 0.385
H14 1.298 -2.484 0.385

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.21521.38341.38342.42252.42252.02352.02353.32153.32152.63142.63142.81802.8180
O21.21522.28832.28832.73972.73973.10143.10143.78383.78382.54372.54372.94992.9499
N31.38342.28832.31251.45473.63981.00702.43802.08134.39332.07773.97152.13504.0058
N41.38342.28832.31253.63981.45472.43801.00704.39332.08133.97152.07774.00582.1350
C52.42252.73971.45473.63984.84332.09353.88641.09105.69351.08874.96091.09535.1476
C62.42252.73973.63981.45474.84333.88642.09355.69351.09104.96091.08875.14761.0953
H72.02353.10141.00702.43802.09353.88642.29932.38714.42742.95404.31322.56984.4080
H82.02353.10142.43801.00703.88642.09352.29934.42742.38714.31322.95404.40802.5698
H93.32153.78382.08134.39331.09105.69352.38714.42746.47441.77545.92671.78225.9706
H103.32153.78384.39332.08135.69351.09104.42742.38716.47445.92671.77545.97061.7822
H112.63142.54372.07773.97151.08874.96092.95404.31321.77545.92675.01721.76685.0669
H122.63142.54373.97152.07774.96091.08874.31322.95405.92671.77545.01725.06691.7668
H132.81802.94992.13504.00581.09535.14762.56984.40801.78225.97061.76685.06695.6052
H142.81802.94994.00582.13505.14761.09534.40802.56985.97061.78225.06691.76685.6052

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 117.188 C1 N3 H7 114.765
C1 N4 C6 117.188 C1 N4 H8 114.765
O2 C1 N3 123.299 O2 C1 N4 123.299
N3 C1 N4 113.403 N3 C5 H9 108.850
N3 C5 H11 108.697 N3 C5 H13 112.948
N4 C6 H10 108.850 N4 C6 H12 108.697
N4 C6 H14 112.948 C5 N3 H7 115.314
C6 N4 H8 115.314 H9 C5 H11 109.079
H9 C5 H13 109.210 H10 C6 H12 109.079
H10 C6 H14 109.210 H11 C5 H13 107.993
H12 C6 H14 107.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability