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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-57.563360
Energy at 298.15K-57.574294
Nuclear repulsion energy140.395864
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/CEP-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 3663 3537 18.80      
2 A 3551 3429 15.50      
3 A 3178 3069 7.87      
4 A 3152 3044 39.36      
5 A 3092 2986 94.35      
6 A 3090 2984 8.24      
7 A 3018 2915 97.80      
8 A 3012 2908 50.36      
9 A 1760 1700 390.81      
10 A 1640 1584 146.47      
11 A 1525 1473 48.71      
12 A 1501 1449 13.29      
13 A 1497 1445 7.53      
14 A 1485 1434 28.12      
15 A 1476 1425 17.50      
16 A 1441 1392 4.81      
17 A 1414 1366 208.28      
18 A 1272 1229 51.01      
19 A 1251 1208 14.09      
20 A 1160 1120 8.34      
21 A 1113 1075 4.54      
22 A 1095 1058 79.73      
23 A 1070 1033 13.90      
24 A 1012 977 23.08      
25 A 782 755 87.43      
26 A 761 735 2.65      
27 A 629 607 169.54      
28 A 581 561 23.20      
29 A 493 476 4.87      
30 A 426 412 19.63      
31 A 382 369 21.98      
32 A 314 304 7.88      
33 A 230 223 20.77      
34 A 138 133 1.64      
35 A 102 99 3.12      

Unscaled Zero Point Vibrational Energy (zpe) 26152.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 25255.8 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/CEP-31G*
ABC
0.16674 0.11444 0.07074

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.630 0.490 -0.066
O2 -1.171 -1.410 0.151
C3 -0.772 -0.248 -0.012
N4 0.572 0.078 -0.213
H5 -1.487 1.604 -0.636
N6 -1.676 0.840 0.012
H7 1.836 -1.184 0.976
H8 2.432 -0.799 -0.676
H9 1.073 -1.956 -0.445
C10 1.533 -1.029 -0.079
H11 0.422 2.210 -0.101
H12 2.050 1.565 -0.413
H13 1.344 1.464 1.233
C14 1.116 1.396 0.149

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.40532.00023.23201.69521.01954.88195.25874.45434.43163.50404.81534.29303.8607
O22.40531.23892.32053.13082.31033.12593.74652.38552.74013.96334.42133.96913.6203
C32.00021.23891.39772.08091.41532.94163.31772.55112.43462.73483.37892.99322.5094
N43.23202.32051.39772.59692.38452.14602.10732.10741.47242.14042.10652.14641.4715
H51.69523.13082.08092.59691.01954.62694.59624.38874.04492.07273.54433.39442.7266
N61.01952.31031.41532.38451.01954.16654.47583.94803.71502.50853.82033.31642.8506
H74.88193.12592.94162.14604.62694.16651.79841.78771.10853.83173.08802.70562.8036
H85.25873.74653.31772.10734.59624.47581.79841.79911.10363.66352.40863.15362.6885
H94.45432.38552.55112.10744.38873.94801.78771.79911.09684.23063.65403.81853.4045
C104.43162.74012.43461.47244.04493.71501.10851.10361.09683.42502.66682.82362.4718
H113.50403.96332.73482.14042.07272.50853.83173.66354.23063.42501.77921.78501.0988
H124.81534.42133.37892.10653.54433.82033.08802.40863.65402.66681.77921.79401.1035
H134.29303.96912.99322.14643.39443.31642.70563.15363.81852.82361.78501.79401.1091
C143.86073.62032.50941.47152.72662.85062.80362.68853.40452.47181.09881.10351.1091

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 109.395 H1 N6 H5 112.489
O2 C3 N4 123.202 O2 C3 N6 120.877
C3 N4 C10 116.017 C3 N4 C14 121.975
C3 N6 H5 116.507 N4 C3 N6 115.917
N4 C10 H7 111.725 N4 C10 H8 108.940
N4 C10 H9 109.355 N4 C14 H11 111.946
N4 C14 H12 108.944 N4 C14 H13 111.791
H7 C10 H8 108.780 H7 C10 H9 108.317
H8 C10 H9 109.703 C10 N4 C14 114.203
H11 C14 H12 107.775 H11 C14 H13 107.892
H12 C14 H13 108.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.324      
2 O -0.169      
3 C -0.315      
4 N 0.140      
5 H 0.292      
6 N -0.410      
7 H 0.158      
8 H 0.171      
9 H 0.242      
10 C -0.495      
11 H 0.180      
12 H 0.181      
13 H 0.164      
14 C -0.463      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.585 3.316 -1.050 3.822
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.099 -4.559 2.647
y -4.559 -37.973 -1.183
z 2.647 -1.183 -37.387
Traceless
 xyz
x 5.581 -4.559 2.647
y -4.559 -3.230 -1.183
z 2.647 -1.183 -2.351
Polar
3z2-r2-4.701
x2-y25.874
xy-4.559
xz2.647
yz-1.183


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.554 0.136 -0.041
y 0.136 7.877 -0.160
z -0.041 -0.160 5.218


<r2> (average value of r2) Å2
<r2> 138.925
(<r2>)1/2 11.787