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

using model chemistry: PBE1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBE1PBE/3-21G*
 hartrees
Energy at 0K-301.865643
Energy at 298.15K-301.875915
HF Energy-301.865643
Nuclear repulsion energy247.698277
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 PBE1PBE/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 3629 3483 25.23      
2 A 3167 3040 0.00      
3 A 3104 2979 0.00      
4 A 3049 2926 1.32      
5 A 1758 1687 137.96      
6 A 1586 1523 38.67      
7 A 1573 1510 0.00      
8 A 1525 1464 7.41      
9 A 1463 1404 59.08      
10 A 1205 1156 0.23      
11 A 1197 1149 12.64      
12 A 1170 1123 0.00      
13 A 936 898 6.46      
14 A 515 495 1.33      
15 A 327 314 0.00      
16 A 244 234 0.94      
17 A 190 182 0.00      
18 A 146 140 0.00      
19 B 3621 3476 7.22      
20 B 3166 3039 0.01      
21 B 3104 2979 87.25      
22 B 3047 2924 139.11      
23 B 1612 1547 201.33      
24 B 1574 1511 21.20      
25 B 1542 1480 267.98      
26 B 1472 1413 0.01      
27 B 1277 1226 255.12      
28 B 1177 1130 1.27      
29 B 1169 1122 87.39      
30 B 1067 1024 1.32      
31 B 788 756 49.61      
32 B 718 689 8.99      
33 B 549 527 310.31      
34 B 380 364 41.54      
35 B 173 166 2.56      
36 B 126 121 12.25      

Unscaled Zero Point Vibrational Energy (zpe) 26672.7 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 25600.5 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 PBE1PBE/3-21G*
ABC
0.32474 0.07218 0.06041

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.082
O2 0.000 0.000 1.327
N3 0.000 1.157 -0.662
N4 0.000 -1.157 -0.662
C5 0.000 2.444 0.018
C6 -0.000 -2.444 0.018
H7 -0.002 1.129 -1.672
H8 0.002 -1.129 -1.672
H9 0.894 3.033 -0.224
H10 -0.894 -3.033 -0.224
H11 0.000 2.210 1.087
H12 -0.000 -2.210 1.087
H13 -0.894 3.033 -0.223
H14 0.894 -3.033 -0.223

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.24481.37581.37582.44472.44472.08662.08663.17633.17632.42782.42783.17623.1762
O21.24482.30102.30102.77232.77233.20493.20493.52133.52132.22342.22343.52123.5212
N31.37582.30102.31451.45533.66481.01092.49992.12314.30652.04103.79442.12314.3064
N41.37582.30102.31453.66481.45532.49991.01094.30652.12313.79442.04104.30642.1231
C52.44472.77231.45533.66484.88782.14153.95301.09715.55421.09354.77531.09715.5541
C62.44472.77233.66481.45534.88783.95302.14155.55421.09714.77531.09355.55411.0971
H72.08663.20491.01092.49992.14153.95302.25872.55414.49622.96314.33182.55284.4969
H82.08663.20492.49991.01093.95302.14152.25874.49622.55414.33182.96314.49692.5528
H93.17633.52132.12314.30651.09715.55422.55414.49626.32301.78635.47761.78746.0651
H103.17633.52134.30652.12315.55421.09714.49622.55416.32305.47761.78636.06511.7874
H112.42782.22342.04103.79441.09354.77532.96314.33181.78635.47764.42081.78635.4775
H122.42782.22343.79442.04104.77531.09354.33182.96315.47761.78634.42085.47751.7863
H133.17623.52122.12314.30641.09715.55412.55284.49691.78746.06511.78635.47756.3229
H143.17623.52124.30642.12315.55411.09714.49692.55286.06511.78745.47751.78636.3229

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 119.408 C1 N3 H7 121.152
C1 N4 C6 119.408 C1 N4 H8 121.152
O2 C1 N3 122.736 O2 C1 N4 122.736
N3 C1 N4 114.528 N3 C5 H9 111.804
N3 C5 H11 105.526 N3 C5 H13 111.802
N4 C6 H10 111.804 N4 C6 H12 105.526
N4 C6 H14 111.802 C5 N3 H7 119.440
C6 N4 H8 119.440 H9 C5 H11 109.257
H9 C5 H13 109.095 H10 C6 H12 109.257
H10 C6 H14 109.095 H11 C5 H13 109.260
H12 C6 H14 109.260
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.954      
2 O -0.555      
3 N -0.764      
4 N -0.764      
5 C -0.450      
6 C -0.450      
7 H 0.317      
8 H 0.317      
9 H 0.214      
10 H 0.214      
11 H 0.269      
12 H 0.269      
13 H 0.214      
14 H 0.214      


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 -3.910 3.910
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.807 -0.008 0.000
y -0.008 -29.965 0.000
z 0.000 0.000 -35.464
Traceless
 xyz
x -5.093 -0.008 0.000
y -0.008 6.671 0.000
z 0.000 0.000 -1.578
Polar
3z2-r2-3.156
x2-y2-7.842
xy-0.008
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.098 0.000 0.000
y 0.000 9.129 0.000
z 0.000 0.000 6.296


<r2> (average value of r2) Å2
<r2> 192.635
(<r2>)1/2 13.879