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All results from a given calculation for N(CH3)2CONH2 (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 C1 1A
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-302.076539
Energy at 298.15K-302.087086
Nuclear repulsion energy256.076615
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 3938 3566 36.92      
2 A 3823 3461 37.08      
3 A 3336 3020 1.92      
4 A 3270 2961 21.54      
5 A 3230 2925 31.56      
6 A 3201 2899 54.40      
7 A 3156 2858 66.90      
8 A 3138 2841 63.00      
9 A 1926 1744 512.12      
10 A 1777 1609 160.59      
11 A 1662 1505 93.94      
12 A 1637 1482 8.94      
13 A 1625 1472 7.50      
14 A 1621 1468 11.72      
15 A 1610 1458 54.15      
16 A 1565 1417 11.69      
17 A 1558 1411 194.17      
18 A 1416 1282 52.58      
19 A 1382 1251 42.38      
20 A 1271 1151 5.22      
21 A 1229 1113 2.13      
22 A 1203 1089 56.17      
23 A 1177 1066 21.49      
24 A 1114 1009 33.28      
25 A 883 800 76.00      
26 A 825 747 3.81      
27 A 650 589 20.05      
28 A 610 553 163.90      
29 A 556 503 11.30      
30 A 468 424 46.59      
31 A 426 385 16.85      
32 A 345 313 11.00      
33 A 207 187 6.39      
34 A 155 141 2.07      
35 A 115 104 5.26      
36 A 77 69 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 28090.9 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 25436.3 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
0.17283 0.11927 0.07279

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.527 0.631 0.166
O2 1.212 -1.323 -0.066
C3 0.755 -0.217 -0.019
N4 -0.580 0.043 -0.024
H5 1.286 1.697 0.494
N6 1.581 0.887 0.003
H7 -2.163 -1.089 -0.795
H8 -2.137 -0.953 0.962
H9 -0.963 -1.981 0.137
C10 -1.514 -1.058 0.076
H11 -1.225 1.822 0.928
H12 -2.128 1.327 -0.491
H13 -0.541 2.027 -0.691
C14 -1.135 1.375 -0.062

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.36751.97333.16841.66870.99385.08794.98954.35984.38064.00964.75303.47803.7436
O22.36751.19802.25363.07232.24183.46093.52232.28122.74204.10134.28503.83203.5756
C31.97331.19801.36032.05071.37843.14353.14112.46782.42152.99573.30462.67652.4710
N43.16842.25361.36032.54652.32032.09342.09392.06601.44632.11852.06532.09351.4435
H51.66873.07232.05072.54650.99214.61704.35314.32543.94912.55063.57232.20202.5040
N60.99382.24181.37842.32030.99214.30824.25723.83603.65543.09883.76782.50672.7597
H75.08793.46093.14352.09344.61704.30821.76201.76241.08713.51072.43563.51432.7688
H84.98953.52233.14112.09394.35314.25721.76201.76481.08792.92132.70373.76202.7333
H94.35982.28122.46782.06604.32543.83601.76241.76481.07703.89363.56354.11413.3663
C104.38062.74202.42151.44633.94913.65541.08711.08791.07703.01712.52733.32352.4656
H114.00964.10132.99572.11852.55063.09883.51072.92133.89363.01711.75371.76851.0903
H124.75304.28503.30462.06533.57233.76782.43562.70373.56352.52731.75371.74571.0834
H133.47803.83202.67652.09352.20202.50673.51433.76204.11413.32351.76851.74571.0823
C143.74363.57562.47101.44352.50402.75972.76882.73333.36632.46561.09031.08341.0823

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 111.549 H1 N6 H5 114.337
O2 C3 N4 123.374 O2 C3 N6 120.781
C3 N4 C10 119.232 C3 N4 C14 123.575
C3 N6 H5 118.883 N4 C3 N6 115.818
N4 C10 H7 110.650 N4 C10 H8 110.641
N4 C10 H9 109.044 N4 C14 H11 112.719
N4 C14 H12 108.804 N4 C14 H13 111.152
H7 C10 H8 108.216 H7 C10 H9 109.045
H8 C10 H9 109.213 C10 N4 C14 117.132
H11 C14 H12 107.564 H11 C14 H13 108.978
H12 C14 H13 107.423
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 H 0.302      
2 O -0.534      
3 C 0.655      
4 N -0.346      
5 H 0.293      
6 N -0.675      
7 H 0.134      
8 H 0.130      
9 H 0.201      
10 C -0.302      
11 H 0.133      
12 H 0.156      
13 H 0.165      
14 C -0.312      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.787 3.454 1.069 4.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.485 4.833 2.050
y 4.833 -37.354 1.132
z 2.050 1.132 -37.076
Traceless
 xyz
x 3.730 4.833 2.050
y 4.833 -2.073 1.132
z 2.050 1.132 -1.657
Polar
3z2-r2-3.313
x2-y23.868
xy4.833
xz2.050
yz1.132


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.937 -0.048 -0.019
y -0.048 7.445 0.160
z -0.019 0.160 5.161


<r2> (average value of r2) Å2
<r2> 163.363
(<r2>)1/2 12.781