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All results from a given calculation for N(CH3)2CONH2 (Urea, N,N-dimethyl-)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-300.960118
Energy at 298.15K-300.970459
HF Energy-300.354737
Nuclear repulsion energy250.345582
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 MP2/3-21G
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 3507 21.03      
2 A 3548 3387 23.84      
3 A 3197 3052 0.55      
4 A 3171 3027 8.82      
5 A 3112 2971 24.57      
6 A 3108 2967 53.93      
7 A 3061 2922 54.28      
8 A 3048 2909 48.98      
9 A 1746 1666 161.53      
10 A 1700 1623 164.86      
11 A 1626 1552 5.96      
12 A 1615 1541 9.52      
13 A 1604 1531 7.46      
14 A 1602 1529 16.88      
15 A 1531 1462 41.59      
16 A 1498 1430 16.96      
17 A 1428 1363 216.98      
18 A 1295 1237 125.31      
19 A 1280 1222 7.74      
20 A 1210 1155 4.36      
21 A 1172 1119 3.08      
22 A 1115 1065 49.17      
23 A 1104 1054 61.01      
24 A 1019 972 36.41      
25 A 770 735 66.96      
26 A 741 707 11.81      
27 A 602 574 4.13      
28 A 579 552 193.86      
29 A 509 486 15.51      
30 A 446 425 58.67      
31 A 383 365 29.57      
32 A 309 295 34.16      
33 A 202 192 11.15      
34 A 174 167 3.93      
35 A 152 145 3.63      
36 A 90 86 5.13      

Unscaled Zero Point Vibrational Energy (zpe) 26710.5 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 25495.1 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 MP2/3-21G
ABC
0.16235 0.11539 0.06993

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.570 0.739 0.034
O2 1.253 -1.361 -0.132
C3 0.771 -0.210 -0.010
N4 -0.597 0.050 0.049
H5 1.297 1.716 0.651
N6 1.577 0.943 0.059
H7 -2.173 -1.120 -0.770
H8 -2.132 -1.070 1.014
H9 -0.894 -2.002 0.112
C10 -1.515 -1.105 0.108
H11 -0.461 2.033 -0.643
H12 -1.467 1.857 0.826
H13 -2.080 1.310 -0.751
C14 -1.181 1.393 -0.128

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.48412.03483.24131.71901.01415.15755.13244.41804.48243.36474.26384.75013.8114
O22.48411.25372.33393.17472.33403.49353.58532.25392.79003.83654.32124.31533.6754
C32.03481.25371.39362.10291.40853.17353.19582.44892.45732.63633.15923.31422.5286
N43.24132.33391.39362.59302.35022.12692.13132.07471.47672.10472.15052.10341.4749
H51.71903.17472.10292.59301.01294.70124.43304.34894.01972.20602.77383.67882.6179
N61.01412.33401.40852.35021.01294.35944.32673.84453.70882.41573.27013.76332.8010
H75.15753.49353.17352.12694.70124.35941.78531.78671.09753.59013.45052.43122.7766
H85.13243.58533.19582.13134.43304.32671.78531.79301.09683.89503.00762.96372.8770
H94.41802.25392.44892.07474.34893.84451.78671.79301.09094.12813.96623.62193.4157
C104.48242.79002.45731.47674.01973.70881.09751.09681.09093.39473.04812.62462.5313
H113.36473.83652.63632.10472.20602.41573.59013.89504.12813.39471.78981.77641.0926
H124.26384.32123.15922.15052.77383.27013.45053.00763.96623.04811.78981.77831.0992
H134.75014.31533.31422.10343.67883.76332.43122.96373.62192.62461.77641.77831.0965
C143.81143.67542.52861.47492.61792.80102.77662.87703.41572.53131.09261.09921.0965

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 113.260 H1 N6 H5 115.995
O2 C3 N4 123.592 O2 C3 N6 122.392
C3 N4 C10 117.737 C3 N4 C14 123.619
C3 N6 H5 119.662 N4 C3 N6 114.009
N4 C10 H7 110.565 N4 C10 H8 110.963
N4 C10 H9 106.846 N4 C14 H11 109.213
N4 C14 H12 112.510 N4 C14 H13 108.884
H7 C10 H8 108.901 H7 C10 H9 109.459
H8 C10 H9 110.085 C10 N4 C14 118.100
H11 C14 H12 109.491 H11 C14 H13 108.481
H12 C14 H13 108.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.316     0.403
2 O -0.513     -0.537
3 C 0.855     0.771
4 N -0.675     -0.245
5 H 0.306     0.394
6 N -0.778     -0.974
7 H 0.179     0.122
8 H 0.180     0.113
9 H 0.234     0.139
10 C -0.343     -0.298
11 H 0.209     0.091
12 H 0.180     0.077
13 H 0.197     0.107
14 C -0.346     -0.162


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.356 3.108 1.023 3.542
CHELPG        
AIM        
ESP -1.365 3.108 1.023 3.545


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.547 4.744 2.027
y 4.744 -37.458 1.080
z 2.027 1.080 -37.762
Traceless
 xyz
x 4.063 4.744 2.027
y 4.744 -1.803 1.080
z 2.027 1.080 -2.260
Polar
3z2-r2-4.520
x2-y23.911
xy4.744
xz2.027
yz1.080


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.871 -0.176 -0.175
y -0.176 7.155 0.349
z -0.175 0.349 4.130


<r2> (average value of r2) Å2
<r2> 169.382
(<r2>)1/2 13.015