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

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-302.080534
Energy at 298.15K-302.090921
HF Energy-302.080534
Nuclear repulsion energy250.511996
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/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 3869 3503 36.10      
2 A 3295 2984 17.66      
3 A 3239 2933 19.28      
4 A 3171 2871 4.88      
5 A 1943 1760 321.46      
6 A 1657 1501 28.65      
7 A 1620 1467 0.97      
8 A 1611 1459 1.44      
9 A 1577 1428 3.01      
10 A 1306 1183 0.05      
11 A 1267 1148 1.59      
12 A 1244 1126 6.20      
13 A 997 903 1.61      
14 A 557 504 50.73      
15 A 437 396 62.00      
16 A 239 217 4.23      
17 A 206 186 0.00      
18 A 115 104 0.12      
19 B 3864 3498 10.85      
20 B 3295 2984 11.11      
21 B 3239 2933 69.86      
22 B 3170 2870 115.72      
23 B 1709 1547 450.80      
24 B 1631 1477 1.51      
25 B 1610 1457 49.58      
26 B 1581 1431 8.71      
27 B 1374 1244 261.43      
28 B 1259 1140 27.14      
29 B 1245 1127 6.62      
30 B 1110 1005 4.31      
31 B 873 790 44.17      
32 B 789 715 22.25      
33 B 521 472 112.53      
34 B 344 311 44.95      
35 B 127 115 8.54      
36 B 124 112 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 28106.0 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 25450.0 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/6-31G(2df,p)
ABC
0.33881 0.07307 0.06165

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.098
O2 0.000 0.000 1.293
N3 0.000 1.149 -0.647
N4 0.000 -1.149 -0.647
C5 -0.221 2.417 0.014
C6 0.221 -2.417 0.014
H7 -0.358 1.071 -1.570
H8 0.358 -1.071 -1.570
H9 -0.009 3.216 -0.686
H10 0.009 -3.216 -0.686
H11 0.450 2.502 0.856
H12 -0.450 -2.502 0.856
H13 -1.239 2.528 0.379
H14 1.239 -2.528 0.379

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.19531.36921.36922.42822.42822.01372.01373.30993.30992.65332.65332.82942.8294
O21.19532.25482.25482.74302.74303.07743.07743.77613.77612.57992.57992.95992.9599
N31.36922.25482.29761.44703.63300.99272.43002.06724.36462.07233.97412.11914.0135
N41.36922.25482.29763.63301.44702.43000.99274.36462.06723.97412.07234.01352.1191
C52.42822.74301.44703.63304.85342.08323.87361.08375.68031.08014.99581.08705.1686
C62.42822.74303.63301.44704.85343.87362.08325.68031.08374.99581.08015.16861.0870
H72.01373.07740.99272.43002.08323.87362.25752.34594.39162.93054.31962.58844.3930
H82.01373.07742.43000.99273.87362.08322.25754.39162.34594.31962.93054.39302.5884
H93.30993.77612.06724.36461.08375.68032.34594.39166.43131.76035.93891.76685.9735
H103.30993.77614.36462.06725.68031.08374.39162.34596.43135.93891.76035.97351.7668
H112.65332.57992.07233.97411.08014.99582.93054.31961.76035.93895.08521.75545.1142
H122.65332.57993.97412.07234.99581.08014.31962.93055.93891.76035.08525.11421.7554
H132.82942.95992.11914.01351.08705.16862.58844.39301.76685.97351.75545.11425.6307
H142.82942.95994.01352.11915.16861.08704.39302.58845.97351.76685.11421.75545.6307

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 119.110 C1 N3 H7 116.076
C1 N4 C6 119.110 C1 N4 H8 116.076
O2 C1 N3 122.960 O2 C1 N4 122.960
N3 C1 N4 114.080 N3 C5 H9 108.696
N3 C5 H11 109.321 N3 C5 H13 112.728
N4 C6 H10 108.696 N4 C6 H12 109.321
N4 C6 H14 112.728 C5 N3 H7 116.032
C6 N4 H8 116.032 H9 C5 H11 108.878
H9 C5 H13 108.960 H10 C6 H12 108.878
H10 C6 H14 108.960 H11 C5 H13 108.191
H12 C6 H14 108.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.670      
2 O -0.528      
3 N -0.516      
4 N -0.516      
5 C -0.287      
6 C -0.287      
7 H 0.280      
8 H 0.280      
9 H 0.138      
10 H 0.138      
11 H 0.175      
12 H 0.175      
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 -3.753 3.753
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.046 -1.806 0.000
y -1.806 -30.203 0.000
z 0.000 0.000 -36.973
Traceless
 xyz
x -3.458 -1.806 0.000
y -1.806 6.807 0.000
z 0.000 0.000 -3.349
Polar
3z2-r2-6.697
x2-y2-6.843
xy-1.806
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.208 -0.323 0.000
y -0.323 8.548 0.000
z 0.000 0.000 6.841


<r2> (average value of r2) Å2
<r2> 189.776
(<r2>)1/2 13.776