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

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-56.066457
Energy at 298.15K-56.077000
Nuclear repulsion energy141.296641
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 HF/CEP-121G
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 4002 3652 41.25      
2 A 3842 3506 46.15      
3 A 3331 3039 2.22      
4 A 3281 2994 30.81      
5 A 3220 2938 76.25      
6 A 3208 2927 59.61      
7 A 3150 2874 66.89      
8 A 3137 2863 75.44      
9 A 1816 1658 238.44      
10 A 1741 1589 523.36      
11 A 1667 1521 82.28      
12 A 1653 1508 2.78      
13 A 1653 1508 1.55      
14 A 1643 1499 17.14      
15 A 1619 1477 92.27      
16 A 1582 1443 21.02      
17 A 1559 1423 272.73      
18 A 1394 1272 51.47      
19 A 1382 1261 36.37      
20 A 1274 1162 4.93      
21 A 1229 1122 0.16      
22 A 1194 1089 23.07      
23 A 1171 1069 50.44      
24 A 1109 1012 20.50      
25 A 831 759 97.92      
26 A 801 731 0.75      
27 A 629 574 11.76      
28 A 586 535 144.18      
29 A 546 498 13.41      
30 A 439 401 197.15      
31 A 424 387 4.43      
32 A 331 302 11.42      
33 A 243 221 2.54      
34 A 164 150 0.19      
35 A 103 94 1.27      
36 A 87 79 14.56      

Unscaled Zero Point Vibrational Energy (zpe) 28019.3 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 25567.6 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 HF/CEP-121G
ABC
0.16644 0.11689 0.07048

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.617 0.552 0.000
O2 -1.184 -1.435 -0.000
C3 -0.763 -0.257 -0.000
N4 0.575 0.056 -0.000
H5 -1.394 1.748 0.000
N6 -1.655 0.793 -0.000
H7 2.194 -0.969 0.885
H8 2.195 -0.968 -0.884
H9 1.049 -1.977 -0.001
C10 1.565 -1.031 0.000
H11 0.740 1.982 -0.885
H12 2.143 1.420 -0.001
H13 0.742 1.981 0.886
C14 1.062 1.437 -0.000

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.45012.02283.23021.71010.99215.12275.12324.45404.47203.75454.83893.75603.7841
O22.45011.25112.30563.18962.27773.52303.52372.29812.77914.01994.38484.02053.6463
C32.02281.25111.37402.10151.37773.16773.16812.49862.45382.83793.35582.83882.4903
N43.23022.30561.37402.59592.34842.11052.11052.08701.47032.12602.07932.12611.4649
H51.71013.18962.10152.59590.98914.58654.58674.45434.05932.32213.55242.32392.4758
N60.99212.27771.37772.34840.98914.32454.32473.87113.70092.81593.84942.81752.7921
H75.12273.52303.16772.11054.58654.32451.76831.76331.08693.73522.54893.28812.8023
H85.12323.52373.16812.11054.58674.32471.76831.76331.08693.28922.54723.73392.8017
H94.45402.29812.49862.08704.45433.87111.76331.76331.07754.06783.56914.06753.4139
C104.47202.77912.45381.47034.05933.70091.08691.08691.07753.24652.51863.24572.5187
H113.75454.01992.83792.12602.32212.81593.73523.28924.06783.24651.75081.77101.0879
H124.83894.38483.35582.07933.55243.84942.54892.54723.56912.51861.75081.75091.0812
H133.75604.02052.83882.12612.32392.81753.28813.73394.06753.24571.77101.75091.0879
C143.78413.64632.49031.46492.47582.79212.80232.80173.41392.51871.08791.08121.0879

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 116.255 H1 N6 H5 119.347
O2 C3 N4 122.809 O2 C3 N6 120.017
C3 N4 C10 119.210 C3 N4 C14 122.584
C3 N6 H5 124.398 N4 C3 N6 117.174
N4 C10 H7 110.347 N4 C10 H8 110.341
N4 C10 H9 109.022 N4 C14 H11 111.929
N4 C14 H12 108.557 N4 C14 H13 111.934
H7 C10 H8 108.878 H7 C10 H9 109.113
H8 C10 H9 109.115 C10 N4 C14 118.206
H11 C14 H12 107.635 H11 C14 H13 108.962
H12 C14 H13 107.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.369      
2 O -0.410      
3 C 0.276      
4 N -0.256      
5 H 0.353      
6 N -0.669      
7 H 0.157      
8 H 0.157      
9 H 0.235      
10 C -0.354      
11 H 0.170      
12 H 0.176      
13 H 0.170      
14 C -0.374      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.169 4.828 0.001 5.293
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.132 -6.836 -0.004
y -6.836 -38.718 0.001
z -0.004 0.001 -38.873
Traceless
 xyz
x 5.663 -6.836 -0.004
y -6.836 -2.716 0.001
z -0.004 0.001 -2.947
Polar
3z2-r2-5.895
x2-y25.586
xy-6.836
xz-0.004
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.620 0.154 0.000
y 0.154 7.424 0.000
z 0.000 0.000 5.177


<r2> (average value of r2) Å2
<r2> 139.106
(<r2>)1/2 11.794