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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-302.972942
Energy at 298.15K-302.983164
HF Energy-302.038935
Nuclear repulsion energy247.779064
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
(Å4/u)
Dep P Dep U
1 A 3609 3437 17.02      
2 A 3194 3041 12.13      
3 A 3142 2992 11.54      
4 A 3064 2917 4.64      
5 A 1827 1740 219.42      
6 A 1568 1493 14.71      
7 A 1540 1467 0.22      
8 A 1522 1449 6.15      
9 A 1494 1423 4.17      
10 A 1231 1172 0.07      
11 A 1204 1147 1.07      
12 A 1168 1112 7.88      
13 A 946 901 0.09      
14 A 583 555 135.33      
15 A 462 440 33.31      
16 A 230 219 3.74      
17 A 200 190 0.22      
18 A 112 107 0.37      
19 B 3607 3435 10.84      
20 B 3193 3041 8.36      
21 B 3142 2992 51.57      
22 B 3063 2917 94.12      
23 B 1607 1531 371.30      
24 B 1555 1481 5.60      
25 B 1535 1462 58.79      
26 B 1497 1425 7.73      
27 B 1307 1245 199.52      
28 B 1185 1128 15.01      
29 B 1171 1115 19.65      
30 B 1073 1022 1.35      
31 B 771 734 66.59      
32 B 750 715 11.84      
33 B 514 490 104.27      
34 B 327 312 45.37      
35 B 127 121 7.81      
36 B 122 116 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 26820.3 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 25541.0 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*
ABC
0.32404 0.07256 0.06091

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 0.090
O2 0.000 0.000 1.317
N3 0.000 1.160 -0.673
N4 0.000 -1.160 -0.673
C5 -0.252 2.419 0.023
C6 0.252 -2.419 0.023
H7 -0.461 1.070 -1.572
H8 0.461 -1.070 -1.572
H9 -0.064 3.243 -0.672
H10 0.064 -3.243 -0.672
H11 0.439 2.496 0.865
H12 -0.439 -2.496 0.865
H13 -1.277 2.494 0.411
H14 1.277 -2.494 0.411

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.22681.38881.38882.43252.43252.02942.02943.33233.33232.65012.65012.82072.8207
O21.22682.30342.30342.75472.75473.11473.11473.80543.80542.57442.57442.94532.9453
N31.38882.30342.32091.45933.65451.01432.44822.08374.40412.08333.99092.14134.0204
N41.38882.30342.32093.65451.45932.44821.01434.40412.08373.99092.08334.02042.1413
C52.43252.75471.45933.65454.86322.09883.90081.09485.71291.09194.98981.09915.1600
C62.43252.75473.65451.45934.86323.90082.09885.71291.09484.98981.09195.16001.0991
H72.02943.11471.01432.44822.09883.90082.32922.38544.43662.96324.31882.57444.4332
H82.02943.11472.44821.01433.90082.09882.32924.43662.38544.31882.96324.43322.5744
H93.33233.80542.08374.40411.09485.71292.38544.43666.48761.78175.95351.79075.9911
H103.33233.80544.40412.08375.71291.09484.43662.38546.48765.95351.78175.99111.7907
H112.65012.57442.08333.99091.09194.98982.96324.31881.78175.95355.06881.77495.0809
H122.65012.57443.99092.08334.98981.09194.31882.96325.95351.78175.06885.08091.7749
H132.82072.94532.14134.02041.09915.16002.57444.43321.79075.99111.77495.08095.6049
H142.82072.94534.02042.14135.16001.09914.43322.57445.99111.79075.08091.77495.6049

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 117.301 C1 N3 H7 114.335
C1 N4 C6 117.301 C1 N4 H8 114.335
O2 C1 N3 123.322 O2 C1 N4 123.322
N3 C1 N4 113.356 N3 C5 H9 108.498
N3 C5 H11 108.640 N3 C5 H13 112.887
N4 C6 H10 108.498 N4 C6 H12 108.640
N4 C6 H14 112.887 C5 N3 H7 114.903
C6 N4 H8 114.903 H9 C5 H11 109.133
H9 C5 H13 109.412 H10 C6 H12 109.133
H10 C6 H14 109.412 H11 C5 H13 108.212
H12 C6 H14 108.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability