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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-303.560469
Energy at 298.15K-303.570415
HF Energy-303.560469
Nuclear repulsion energy249.147097
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 PBE1PBE/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 3674 3516 22.23      
2 A 3182 3045 1.22      
3 A 3110 2976 3.71      
4 A 3037 2906 0.07      
5 A 1822 1744 230.36      
6 A 1536 1470 26.04      
7 A 1495 1431 0.20      
8 A 1487 1423 1.49      
9 A 1430 1368 17.13      
10 A 1223 1170 1.24      
11 A 1186 1135 3.80      
12 A 1151 1101 4.44      
13 A 936 896 3.78      
14 A 520 498 17.41      
15 A 384 368 44.69      
16 A 236 226 2.30      
17 A 173 165 0.10      
18 A 82 78 0.68      
19 B 3669 3511 9.48      
20 B 3182 3045 0.23      
21 B 3110 2976 60.68      
22 B 3035 2905 137.15      
23 B 1591 1522 363.54      
24 B 1501 1437 26.23      
25 B 1491 1427 84.88      
26 B 1436 1374 3.08      
27 B 1265 1211 223.16      
28 B 1159 1110 7.62      
29 B 1143 1094 25.59      
30 B 1082 1035 0.79      
31 B 778 744 8.45      
32 B 723 692 17.27      
33 B 493 472 123.79      
34 B 343 329 52.43      
35 B 121 115 10.80      
36 B 83 79 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 26433.2 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 25296.6 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 PBE1PBE/6-31G(2df,p)
ABC
0.32971 0.07269 0.06108

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.106
O2 0.000 0.000 1.322
N3 0.000 1.152 -0.647
N4 0.000 -1.152 -0.647
C5 -0.213 2.424 -0.002
C6 0.213 -2.424 -0.002
H7 -0.297 1.073 -1.605
H8 0.297 -1.073 -1.605
H9 0.381 3.203 -0.489
H10 -0.381 -3.203 -0.489
H11 0.108 2.320 1.035
H12 -0.108 -2.320 1.035
H13 -1.267 2.732 -0.004
H14 1.267 -2.732 -0.004

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.21631.37641.37642.43562.43562.04112.04113.28043.28042.50192.50193.01333.0133
O21.21632.28162.28162.77032.77033.13173.13173.69953.69952.34072.34073.29033.2903
N31.37642.28162.30421.44183.64001.00612.44042.09254.37512.05103.86012.12484.1357
N41.37642.28162.30423.64001.44182.44041.00614.37512.09253.86012.05104.13572.1248
C52.43562.77031.44183.64004.86652.09813.88011.09435.65091.09084.85751.09825.3639
C62.43562.77033.64001.44184.86653.88012.09815.65091.09434.85751.09085.36391.0982
H72.04113.13171.00612.44042.09813.88012.22622.49954.42032.94814.30332.50144.4142
H82.04113.13172.44041.00613.88012.09812.22624.42032.49954.30332.94814.41422.5014
H93.28043.69952.09254.37511.09435.65092.49954.42036.45221.78205.75111.78186.0205
H103.28043.69954.37512.09255.65091.09434.42032.49956.45225.75111.78206.02051.7818
H112.50192.34072.05103.86011.09084.85752.94814.30331.78205.75114.64601.77205.2865
H122.50192.34073.86012.05104.85751.09084.30332.94815.75111.78204.64605.28651.7720
H133.01333.29032.12484.13571.09825.36392.50144.41421.78186.02051.77205.28656.0226
H143.01333.29034.13572.12485.36391.09824.41422.50146.02051.78185.28651.77206.0226

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 119.579 C1 N3 H7 117.048
C1 N4 C6 119.579 C1 N4 H8 117.048
O2 C1 N3 123.169 O2 C1 N4 123.169
N3 C1 N4 113.662 N3 C5 H9 110.451
N3 C5 H11 107.352 N3 C5 H13 112.856
N4 C6 H10 110.451 N4 C6 H12 107.352
N4 C6 H14 112.856 C5 N3 H7 116.867
C6 N4 H8 116.867 H9 C5 H11 109.282
H9 C5 H13 108.720 H10 C6 H12 109.282
H10 C6 H14 108.720 H11 C5 H13 108.100
H12 C6 H14 108.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.550      
2 O -0.426      
3 N -0.418      
4 N -0.418      
5 C -0.376      
6 C -0.376      
7 H 0.257      
8 H 0.257      
9 H 0.143      
10 H 0.143      
11 H 0.192      
12 H 0.192      
13 H 0.140      
14 H 0.140      


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 -3.629 3.629
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.995 -1.469 0.000
y -1.469 -30.569 0.000
z 0.000 0.000 -35.905
Traceless
 xyz
x -3.757 -1.469 0.000
y -1.469 5.881 0.000
z 0.000 0.000 -2.123
Polar
3z2-r2-4.246
x2-y2-6.425
xy-1.469
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.427 -0.417 0.000
y -0.417 10.084 0.000
z 0.000 0.000 7.171


<r2> (average value of r2) Å2
<r2> 191.082
(<r2>)1/2 13.823