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

using model chemistry: PBEPBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-303.508678
Energy at 298.15K-303.518849
Nuclear repulsion energy251.965036
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 PBEPBE/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 3578 3526 19.95      
2 A 3464 3415 10.00      
3 A 3112 3068 1.03      
4 A 3072 3028 8.95      
5 A 3014 2971 18.70      
6 A 3002 2959 54.73      
7 A 2954 2912 75.32      
8 A 2925 2883 71.58      
9 A 1749 1724 311.22      
10 A 1608 1585 112.39      
11 A 1518 1496 45.88      
12 A 1486 1465 16.45      
13 A 1477 1456 20.23      
14 A 1476 1455 9.56      
15 A 1448 1427 67.11      
16 A 1399 1379 114.57      
17 A 1397 1377 22.19      
18 A 1279 1260 25.80      
19 A 1246 1228 47.76      
20 A 1144 1128 2.11      
21 A 1104 1089 4.74      
22 A 1084 1068 66.36      
23 A 1061 1046 4.77      
24 A 1010 996 36.54      
25 A 760 749 13.12      
26 A 752 741 84.07      
27 A 607 598 147.10      
28 A 579 571 25.88      
29 A 499 492 7.72      
30 A 438 432 25.36      
31 A 380 375 12.02      
32 A 308 304 8.92      
33 A 190 187 4.89      
34 A 158 155 1.20      
35 A 136 134 5.07      
36 A 94 93 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 25754.4 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 25386.1 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 PBEPBE/6-31G*
ABC
0.16678 0.11618 0.07076

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.549 0.672 0.153
O2 1.254 -1.342 -0.079
C3 0.767 -0.207 -0.015
N4 -0.598 0.040 -0.020
H5 1.289 1.704 0.617
N6 1.578 0.943 0.001
H7 -2.202 -1.114 -0.774
H8 -2.110 -1.030 1.016
H9 -0.904 -2.005 0.097
C10 -1.508 -1.087 0.088
H11 -1.400 1.791 0.927
H12 -2.124 1.332 -0.640
H13 -0.497 2.055 -0.611
C14 -1.175 1.370 -0.077

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.40661.99463.21481.69401.02005.16025.03514.37034.42324.17674.78583.43173.7961
O22.40661.23652.31123.12552.30963.53223.55142.26462.77904.22744.34453.85873.6411
C31.99461.23651.38722.07991.40743.19603.16512.45712.44183.09453.33452.65932.5030
N43.21482.31121.38722.59522.35562.11502.12252.07061.45262.14622.09362.10241.4516
H51.69403.12552.07992.59521.02104.69714.38024.34013.98662.70743.65562.19532.5809
N61.02002.30961.40742.35561.02104.37264.30373.85483.69483.23123.77682.43232.7866
H75.16023.53223.19602.11504.69714.37261.79431.79861.10663.46052.45103.60232.7775
H85.03513.55143.16512.12254.38024.30371.79431.80191.10762.91042.88493.84272.7985
H94.37032.26462.45712.07064.34013.85481.79861.80191.09863.91653.62814.14093.3903
C104.42322.77902.44181.45263.98663.69481.10661.10761.09862.99952.59993.37372.4853
H114.17674.22743.09452.14622.70743.23123.46052.91043.91652.99951.78611.80251.1110
H124.78584.34453.33452.09363.65563.77682.45102.88493.62812.59991.78611.78041.1043
H133.43173.85872.65932.10242.19532.43233.60233.84274.14093.37371.80251.78041.1014
C143.79613.64112.50301.45162.58092.78662.77752.79853.39032.48531.11101.10431.1014

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 109.477 H1 N6 H5 112.199
O2 C3 N4 123.402 O2 C3 N6 121.619
C3 N4 C10 118.581 C3 N4 C14 123.688
C3 N6 H5 116.960 N4 C3 N6 114.904
N4 C10 H7 110.746 N4 C10 H8 111.291
N4 C10 H9 107.699 N4 C14 H11 113.088
N4 C14 H12 109.243 N4 C14 H13 110.120
H7 C10 H8 108.266 H7 C10 H9 109.301
H8 C10 H9 109.517 C10 N4 C14 117.688
H11 C14 H12 107.461 H11 C14 H13 109.116
H12 C14 H13 107.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.336      
2 O -0.495      
3 C 0.639      
4 N -0.366      
5 H 0.320      
6 N -0.745      
7 H 0.161      
8 H 0.158      
9 H 0.214      
10 C -0.368      
11 H 0.160      
12 H 0.176      
13 H 0.190      
14 C -0.381      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.615 3.022 1.214 3.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.232 4.375 2.283
y 4.375 -37.123 1.447
z 2.283 1.447 -37.061
Traceless
 xyz
x 3.860 4.375 2.283
y 4.375 -1.976 1.447
z 2.283 1.447 -1.883
Polar
3z2-r2-3.767
x2-y23.891
xy4.375
xz2.283
yz1.447


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.178 -0.025 -0.050
y -0.025 8.194 0.257
z -0.050 0.257 5.049


<r2> (average value of r2) Å2
<r2> 167.294
(<r2>)1/2 12.934