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All results from a given calculation for N(CH3)2CONH2 (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 C1 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-303.793256
Energy at 298.15K-303.803569
Nuclear repulsion energy254.273456
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 3711 3568 28.80      
2 A 3598 3459 21.92      
3 A 3177 3055 0.72      
4 A 3133 3012 9.60      
5 A 3082 2963 18.14      
6 A 3067 2949 45.23      
7 A 3015 2899 69.63      
8 A 2991 2876 61.89      
9 A 1800 1730 363.80      
10 A 1622 1560 134.87      
11 A 1543 1483 79.13      
12 A 1504 1446 13.35      
13 A 1493 1436 15.85      
14 A 1492 1434 13.63      
15 A 1474 1417 67.56      
16 A 1430 1375 106.28      
17 A 1422 1367 9.47      
18 A 1318 1267 28.03      
19 A 1277 1228 48.31      
20 A 1171 1126 2.45      
21 A 1130 1087 3.16      
22 A 1105 1062 49.97      
23 A 1086 1044 6.20      
24 A 1037 997 35.47      
25 A 786 755 52.17      
26 A 779 749 2.66      
27 A 606 583 38.50      
28 A 582 559 144.33      
29 A 512 493 7.03      
30 A 442 425 30.82      
31 A 390 375 10.89      
32 A 317 305 10.34      
33 A 194 186 4.50      
34 A 154 148 1.22      
35 A 139 134 3.49      
36 A 102 98 2.90      

Unscaled Zero Point Vibrational Energy (zpe) 26340.8 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 25324.1 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
0.16983 0.11830 0.07198

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.534 0.659 0.158
O2 1.233 -1.332 -0.072
C3 0.760 -0.210 -0.016
N4 -0.590 0.041 -0.019
H5 1.276 1.706 0.556
N6 1.573 0.920 -0.000
H7 -2.181 -1.103 -0.782
H8 -2.110 -1.011 0.993
H9 -0.911 -1.989 0.102
C10 -1.502 -1.074 0.080
H11 -1.341 1.796 0.929
H12 -2.118 1.329 -0.591
H13 -0.506 2.042 -0.631
C14 -1.156 1.367 -0.069

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.39021.98303.18941.68451.00855.12035.00594.34644.39354.11094.75913.43173.7644
O22.39021.21902.28313.10322.27893.49423.52332.24952.75154.17304.31033.83693.6049
C31.98301.21901.37342.06521.39193.16753.14652.44432.42383.05493.31402.65582.4826
N43.18942.28311.37342.56572.33442.10292.10812.05971.44452.13112.07832.09361.4425
H51.68453.10322.06522.56571.00794.65064.36404.31853.95912.64443.60202.16702.5337
N61.00852.27891.39192.33441.00794.33484.27583.82713.66593.18113.75992.44502.7663
H75.12033.49423.16752.10294.65064.33481.77871.78271.09763.46972.43983.56582.7675
H85.00593.52333.14652.10814.36404.27581.77871.78551.09842.91222.82573.81232.7739
H94.34642.24952.44432.05974.31853.82711.78271.78551.08963.89893.59794.11733.3698
C104.39352.75152.42381.44453.95913.66591.09761.09841.08962.99772.56963.34772.4701
H114.11094.17303.05492.13112.64443.18113.46972.91223.89892.99771.76991.78611.1015
H124.75914.31033.31402.07833.60203.75992.43982.82573.59792.56961.76991.76291.0950
H133.43173.83692.65582.09362.16702.44503.56583.81234.11733.34771.78611.76291.0928
C143.76443.60492.48261.44252.53372.76632.76752.77393.36982.47011.10151.09501.0928

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 110.390 H1 N6 H5 113.311
O2 C3 N4 123.340 O2 C3 N6 121.443
C3 N4 C10 118.644 C3 N4 C14 123.666
C3 N6 H5 117.878 N4 C3 N6 115.165
N4 C10 H7 110.893 N4 C10 H8 111.266
N4 C10 H9 107.916 N4 C14 H11 113.121
N4 C14 H12 109.211 N4 C14 H13 110.582
H7 C10 H8 108.183 H7 C10 H9 109.177
H8 C10 H9 109.379 C10 N4 C14 117.653
H11 C14 H12 107.374 H11 C14 H13 108.970
H12 C14 H13 107.374
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 H 0.280      
2 O -0.428      
3 C 0.501      
4 N -0.146      
5 H 0.271      
6 N -0.623      
7 H 0.139      
8 H 0.136      
9 H 0.194      
10 C -0.389      
11 H 0.138      
12 H 0.156      
13 H 0.168      
14 C -0.398      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.622 3.153 1.049 3.698
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.069 4.458 2.018
y 4.458 -36.870 1.237
z 2.018 1.237 -36.634
Traceless
 xyz
x 3.683 4.458 2.018
y 4.458 -2.018 1.237
z 2.018 1.237 -1.665
Polar
3z2-r2-3.329
x2-y23.801
xy4.458
xz2.018
yz1.237


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.057 0.006 -0.046
y 0.006 8.192 0.195
z -0.046 0.195 5.407


<r2> (average value of r2) Å2
<r2> 164.664
(<r2>)1/2 12.832