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All results from a given calculation for N(CH3)2CONH2 (Urea, N,N-dimethyl-)

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-302.207605
Energy at 298.15K-302.217809
Nuclear repulsion energy251.842242
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 B3LYP/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 3682 3542 28.77      
2 A 3559 3424 25.78      
3 A 3161 3041 0.74      
4 A 3114 2995 16.73      
5 A 3073 2957 25.15      
6 A 3064 2948 53.60      
7 A 3021 2907 64.52      
8 A 2992 2878 64.08      
9 A 1730 1664 264.83      
10 A 1668 1605 106.64      
11 A 1590 1530 27.15      
12 A 1577 1517 11.90      
13 A 1572 1512 9.66      
14 A 1564 1505 19.23      
15 A 1510 1452 62.82      
16 A 1464 1409 28.82      
17 A 1413 1359 219.73      
18 A 1285 1236 104.63      
19 A 1276 1228 4.08      
20 A 1184 1139 3.93      
21 A 1143 1099 4.45      
22 A 1098 1057 12.91      
23 A 1078 1037 39.57      
24 A 1020 982 51.56      
25 A 782 753 65.35      
26 A 750 722 2.29      
27 A 598 576 5.66      
28 A 542 522 92.85      
29 A 509 490 20.50      
30 A 425 409 74.43      
31 A 374 360 70.54      
32 A 299 288 57.81      
33 A 202 194 3.97      
34 A 161 155 3.07      
35 A 151 145 0.84      
36 A 78 75 12.34      

Unscaled Zero Point Vibrational Energy (zpe) 26354.7 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 25353.2 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 B3LYP/3-21G*
ABC
0.16439 0.11728 0.07056

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.568 0.758 0.032
O2 1.247 -1.352 -0.083
C3 0.770 -0.204 -0.012
N4 -0.597 0.046 -0.004
H5 1.239 1.827 0.360
N6 1.570 0.924 0.054
H7 -2.199 -1.116 -0.766
H8 -2.074 -1.104 1.015
H9 -0.867 -1.997 0.039
C10 -1.499 -1.109 0.079
H11 -0.577 2.024 -0.734
H12 -1.265 1.872 0.910
H13 -2.180 1.316 -0.504
C14 -1.176 1.387 -0.075

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.49122.03933.24421.73681.01155.18345.09634.40294.47493.47534.08634.81043.7977
O22.49121.24522.31533.20972.30223.52143.50632.21392.76183.89194.20564.36343.6571
C32.03931.24521.38962.11761.38423.19603.15422.42842.44452.70163.04913.35462.5143
N43.24422.31531.38962.58462.33922.12002.13052.06071.46732.10922.14862.09031.4630
H51.73683.20972.11762.58461.00994.66374.47164.37774.02482.12952.56373.56382.4932
N61.01152.30221.38422.33921.00994.36324.27903.80393.68132.53813.10923.81182.7879
H75.18343.52143.19602.12004.66374.36321.78531.78881.09723.53423.55072.44532.7907
H85.09633.50633.15422.13054.47164.27901.78531.79031.09823.88403.08582.85922.8636
H94.40292.21392.42842.06074.37773.80391.78881.79031.09084.10513.98563.60473.4003
C104.47492.76182.44451.46734.02483.68131.09721.09821.09083.36583.10352.58522.5218
H113.47533.89192.70162.10922.12952.53813.53423.88404.10513.36581.78901.76791.0952
H124.08634.20563.04912.14862.56373.10923.55073.08583.98563.10351.78901.77431.1013
H134.81044.36343.35462.09033.56383.81182.44532.85923.60472.58521.76791.77431.0944
C143.79773.65712.51431.46302.49322.78792.79072.86363.40032.52181.09521.10131.0944

picture of Urea, N,N-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N6 C3 115.824 H1 N6 H5 118.461
O2 C3 N4 122.881 O2 C3 N6 122.130
C3 N4 C10 117.635 C3 N4 C14 123.600
C3 N6 H5 123.632 N4 C3 N6 114.987
N4 C10 H7 110.691 N4 C10 H8 111.478
N4 C10 H9 106.396 N4 C14 H11 110.246
N4 C14 H12 113.080 N4 C14 H13 108.784
H7 C10 H8 108.818 H7 C10 H9 109.680
H8 C10 H9 109.749 C10 N4 C14 118.765
H11 C14 H12 109.065 H11 C14 H13 107.681
H12 C14 H13 107.815
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.317      
2 O -0.539      
3 C 0.885      
4 N -0.652      
5 H 0.307      
6 N -0.777      
7 H 0.186      
8 H 0.186      
9 H 0.242      
10 C -0.377      
11 H 0.202      
12 H 0.189      
13 H 0.211      
14 C -0.380      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.405 3.668 0.564 3.968
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.581 5.333 1.074
y 5.333 -35.909 0.482
z 1.074 0.482 -37.552
Traceless
 xyz
x 4.149 5.333 1.074
y 5.333 -0.842 0.482
z 1.074 0.482 -3.307
Polar
3z2-r2-6.614
x2-y23.328
xy5.333
xz1.074
yz0.482


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.916 0.040 -0.110
y 0.040 7.282 0.209
z -0.110 0.209 4.081


<r2> (average value of r2) Å2
<r2> 167.306
(<r2>)1/2 12.935