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

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-301.841781
Energy at 298.15K-301.851891
Nuclear repulsion energy250.632764
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 PBEPBE/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 3588 3555 26.47      
2 A 3458 3427 16.27      
3 A 3076 3048 0.90      
4 A 3042 3015 13.20      
5 A 2998 2971 7.30      
6 A 2994 2967 71.22      
7 A 2946 2919 72.51      
8 A 2914 2888 71.52      
9 A 1688 1672 223.77      
10 A 1614 1599 97.41      
11 A 1545 1531 25.02      
12 A 1526 1512 14.14      
13 A 1519 1505 8.77      
14 A 1513 1499 23.52      
15 A 1456 1442 71.47      
16 A 1407 1394 41.82      
17 A 1372 1359 168.75      
18 A 1249 1237 28.08      
19 A 1247 1235 66.74      
20 A 1145 1134 2.95      
21 A 1105 1095 5.24      
22 A 1063 1053 8.23      
23 A 1049 1039 37.69      
24 A 995 986 54.42      
25 A 748 741 34.30      
26 A 733 726 12.27      
27 A 582 576 4.65      
28 A 525 520 91.53      
29 A 490 485 17.40      
30 A 419 416 83.93      
31 A 360 357 51.34      
32 A 278 276 65.50      
33 A 207 206 3.02      
34 A 168 166 2.94      
35 A 154 152 5.01      
36 A 83 82 10.31      

Unscaled Zero Point Vibrational Energy (zpe) 25626.4 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 25393.2 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 PBEPBE/3-21G
ABC
0.16262 0.11638 0.07009

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.571 0.780 0.032
O2 1.261 -1.355 -0.102
C3 0.774 -0.202 -0.011
N4 -0.602 0.045 0.012
H5 1.234 1.816 0.473
N6 1.565 0.945 0.059
H7 -2.197 -1.133 -0.762
H8 -2.078 -1.121 1.035
H9 -0.839 -2.002 0.053
C10 -1.495 -1.117 0.093
H11 -0.532 2.027 -0.706
H12 -1.365 1.866 0.888
H13 -2.163 1.306 -0.613
C14 -1.189 1.382 -0.097

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.50872.04823.25741.74821.02025.19865.12134.40114.48723.42444.17194.80653.8101
O22.50871.25592.33373.22342.32543.52753.53512.20332.77323.87524.27284.36673.6739
C32.04821.25591.39822.12531.39413.20283.17322.41822.44882.67453.10783.35562.5235
N43.25742.33371.39822.59252.34662.12852.14022.06071.46762.10932.16012.10181.4645
H51.74823.22342.12532.59251.02014.68994.46154.36474.02422.13372.63213.60222.5264
N61.02022.32541.39412.34661.02014.37504.29913.80253.68942.48023.18103.80462.7925
H75.19863.52753.20282.12854.68994.37501.80081.80601.10673.57243.52292.44442.7903
H85.12133.53513.17322.14024.46154.29911.80081.80931.10733.91503.07422.93482.8868
H94.40112.20332.41822.06074.36473.80251.80601.80931.10154.11103.99183.62473.4052
C104.48722.77322.44881.46764.02423.68941.10671.10731.10153.38413.09032.61142.5253
H113.42443.87522.67452.10932.13372.48023.57243.91504.11103.38411.80581.78541.1041
H124.17194.27283.10782.16012.63213.18103.52293.07423.99183.09031.80581.78951.1111
H134.80654.36673.35562.10183.60223.80462.44442.93483.62472.61141.78541.78951.1048
C143.81013.67392.52351.46452.52642.79252.79032.88683.40522.52531.10411.11111.1048

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 115.194 H1 N6 H5 117.930
O2 C3 N4 123.025 O2 C3 N6 122.605
C3 N4 C10 117.386 C3 N4 C14 123.642
C3 N6 H5 122.610 N4 C3 N6 114.365
N4 C10 H7 110.768 N4 C10 H8 111.681
N4 C10 H9 105.778 N4 C14 H11 109.615
N4 C14 H12 113.294 N4 C14 H13 108.982
H7 C10 H8 108.850 H7 C10 H9 109.736
H8 C10 H9 109.991 C10 N4 C14 118.919
H11 C14 H12 109.214 H11 C14 H13 107.857
H12 C14 H13 107.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.318      
2 O -0.499      
3 C 0.801      
4 N -0.603      
5 H 0.307      
6 N -0.750      
7 H 0.200      
8 H 0.200      
9 H 0.249      
10 C -0.430      
11 H 0.218      
12 H 0.201      
13 H 0.222      
14 C -0.435      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.251 3.489 0.714 3.775
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.469 5.152 1.381
y 5.152 -35.938 0.744
z 1.381 0.744 -37.508
Traceless
 xyz
x 4.254 5.152 1.381
y 5.152 -0.949 0.744
z 1.381 0.744 -3.304
Polar
3z2-r2-6.609
x2-y23.469
xy5.152
xz1.381
yz0.744


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.427 0.067 -0.137
y 0.067 7.608 0.262
z -0.137 0.262 4.226


<r2> (average value of r2) Å2
<r2> 168.398
(<r2>)1/2 12.977