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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-303.794295
Energy at 298.15K-303.804182
HF Energy-303.794295
Nuclear repulsion energy248.620742
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 B3PW91/6-31G(2df,p)
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 3653 3512 18.75      
2 A 3169 3047 1.83      
3 A 3093 2974 4.00      
4 A 3022 2905 0.09      
5 A 1805 1735 225.68      
6 A 1531 1472 25.46      
7 A 1493 1435 0.15      
8 A 1482 1425 2.40      
9 A 1428 1373 17.53      
10 A 1209 1163 1.00      
11 A 1181 1135 3.54      
12 A 1148 1103 4.38      
13 A 928 892 3.60      
14 A 514 494 16.00      
15 A 378 363 42.80      
16 A 233 224 2.32      
17 A 169 163 0.10      
18 A 78 75 0.64      
19 B 3648 3507 8.62      
20 B 3169 3046 0.22      
21 B 3093 2974 66.02      
22 B 3020 2904 145.03      
23 B 1578 1517 329.36      
24 B 1498 1440 23.87      
25 B 1488 1430 98.24      
26 B 1433 1378 3.38      
27 B 1256 1207 241.77      
28 B 1157 1112 9.75      
29 B 1138 1094 23.37      
30 B 1068 1027 0.48      
31 B 771 741 7.29      
32 B 717 690 17.11      
33 B 488 469 125.21      
34 B 339 326 51.06      
35 B 119 114 11.01      
36 B 80 77 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 26285.5 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 25270.8 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 B3PW91/6-31G(2df,p)
ABC
0.32862 0.07228 0.06075

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.108
O2 0.000 0.000 1.327
N3 0.000 1.154 -0.646
N4 0.000 -1.154 -0.646
C5 -0.210 2.432 -0.005
C6 0.210 -2.432 -0.005
H7 -0.290 1.076 -1.607
H8 0.290 -1.076 -1.607
H9 0.387 3.207 -0.495
H10 -0.387 -3.207 -0.495
H11 0.111 2.333 1.033
H12 -0.111 -2.333 1.033
H13 -1.263 2.743 -0.009
H14 1.263 -2.743 -0.009

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.21831.37911.37912.44352.44352.04572.04573.28663.28662.51222.51223.02223.0222
O21.21832.28572.28572.78042.78043.13833.13833.70903.70902.35432.35433.30193.3019
N31.37912.28572.30851.44493.64911.00682.44572.09484.38152.05473.87232.12764.1463
N41.37912.28572.30853.64911.44492.44571.00684.38152.09483.87232.05474.14632.1276
C52.44352.78041.44493.64914.88172.10063.88871.09465.66341.09074.87781.09855.3804
C62.44352.78043.64911.44494.88173.88872.10065.66341.09464.87781.09075.38041.0985
H72.04573.13831.00682.44572.10063.88872.22862.49774.42652.95164.31562.50654.4218
H82.04573.13832.44571.00683.88872.10062.22864.42652.49774.31562.95164.42182.5065
H93.28663.70902.09484.38151.09465.66342.49774.42656.46151.78195.76921.78206.0343
H103.28663.70904.38152.09485.66341.09464.42652.49776.46155.76921.78196.03431.7820
H112.51222.35432.05473.87231.09074.87782.95164.31561.78195.76924.67191.77265.3085
H122.51222.35433.87232.05474.87781.09074.31562.95165.76921.78194.67195.30851.7726
H133.02223.30192.12764.14631.09855.38042.50654.42181.78206.03431.77265.30856.0399
H143.02223.30194.14632.12765.38041.09854.42182.50656.03431.78205.30851.77266.0399

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 119.813 C1 N3 H7 117.205
C1 N4 C6 119.813 C1 N4 H8 117.205
O2 C1 N3 123.176 O2 C1 N4 123.176
N3 C1 N4 113.649 N3 C5 H9 110.398
N3 C5 H11 107.441 N3 C5 H13 112.843
N4 C6 H10 110.398 N4 C6 H12 107.441
N4 C6 H14 112.843 C5 N3 H7 116.791
C6 N4 H8 116.791 H9 C5 H11 109.252
H9 C5 H13 108.696 H10 C6 H12 109.252
H10 C6 H14 108.696 H11 C5 H13 108.132
H12 C6 H14 108.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.544      
2 O -0.424      
3 N -0.410      
4 N -0.410      
5 C -0.375      
6 C -0.375      
7 H 0.256      
8 H 0.256      
9 H 0.140      
10 H 0.140      
11 H 0.190      
12 H 0.190      
13 H 0.138      
14 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.641 3.641
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.944 -1.430 0.000
y -1.430 -30.447 0.000
z 0.000 0.000 -35.869
Traceless
 xyz
x -3.786 -1.430 0.000
y -1.430 5.960 0.000
z 0.000 0.000 -2.174
Polar
3z2-r2-4.348
x2-y2-6.497
xy-1.430
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.442 -0.421 0.000
y -0.421 10.200 0.000
z 0.000 0.000 7.220


<r2> (average value of r2) Å2
<r2> 191.945
(<r2>)1/2 13.854