return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: wB97X-D/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-299.887066
Energy at 298.15K-299.896630
HF Energy-299.887066
Nuclear repulsion energy241.211443
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 wB97X-D/STO-3G
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 3712 3712 0.61      
2 A 3520 3520 0.35      
3 A 3476 3476 0.86      
4 A 3318 3318 0.39      
5 A 1934 1934 72.21      
6 A 1685 1685 5.93      
7 A 1667 1667 0.07      
8 A 1582 1582 4.44      
9 A 1561 1561 0.29      
10 A 1259 1259 2.99      
11 A 1219 1219 0.01      
12 A 1186 1186 5.90      
13 A 950 950 1.30      
14 A 614 614 135.53      
15 A 449 449 8.57      
16 A 213 213 0.52      
17 A 177 177 3.63      
18 A 107 107 1.64      
19 B 3712 3712 3.25      
20 B 3520 3520 0.18      
21 B 3476 3476 5.25      
22 B 3318 3318 18.23      
23 B 1686 1686 4.72      
24 B 1666 1666 17.57      
25 B 1589 1589 85.06      
26 B 1581 1581 33.58      
27 B 1282 1282 226.94      
28 B 1204 1204 23.07      
29 B 1194 1194 21.92      
30 B 1111 1111 19.80      
31 B 777 777 57.56      
32 B 657 657 19.44      
33 B 492 492 55.92      
34 B 275 275 27.70      
35 B 119 119 1.51      
36 B 96 96 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 28192.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 28192.0 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 wB97X-D/STO-3G
ABC
0.29547 0.06950 0.05810

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.141
O2 0.000 0.000 1.386
N3 0.000 1.199 -0.699
N4 0.000 -1.199 -0.699
C5 -0.468 2.436 -0.004
C6 0.468 -2.436 -0.004
H7 -0.549 1.034 -1.577
H8 0.549 -1.034 -1.577
H9 -0.246 3.310 -0.639
H10 0.246 -3.310 -0.639
H11 0.085 2.529 0.944
H12 -0.085 -2.529 0.944
H13 -1.551 2.425 0.223
H14 1.551 -2.425 0.223

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.24511.46401.46402.48512.48512.07862.07863.40933.40932.65442.65442.88002.8800
O21.24512.40532.40532.84392.84393.18563.18563.88793.88792.56852.56853.10473.1047
N31.46402.40532.39831.49403.73071.04832.46152.12574.51602.11494.07452.18184.0487
N41.46402.40532.39833.73071.49402.46151.04834.51602.12574.07452.11494.04872.1818
C52.48512.84391.49403.73074.96172.10833.94331.10235.82491.10135.06911.10705.2690
C62.48512.84393.73071.49404.96173.94332.10835.82491.10235.06911.10135.26901.1070
H72.07863.18561.04832.46152.10833.94332.34142.47994.51432.99784.38862.48594.4291
H82.07863.18562.46151.04833.94332.10832.34144.51432.47994.38862.99784.42912.4859
H93.40933.88792.12574.51601.10235.82492.47994.51436.63771.79556.05121.79746.0714
H103.40933.88794.51602.12575.82491.10234.51432.47996.63776.05121.79556.07141.7974
H112.65442.56852.11494.07451.10135.06912.99784.38861.79556.05125.06021.79075.2162
H122.65442.56854.07452.11495.06911.10134.38862.99786.05121.79555.06025.21621.7907
H132.88003.10472.18184.04871.10705.26902.48594.42911.79746.07141.79075.21625.7576
H142.88003.10474.04872.18185.26901.10704.42912.48596.07141.79745.21621.79075.7576

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 114.299 C1 N3 H7 110.564
C1 N4 C6 114.299 C1 N4 H8 110.564
O2 C1 N3 125.007 O2 C1 N4 125.007
N3 C1 N4 109.986 N3 C5 H9 108.984
N3 C5 H11 108.199 N3 C5 H13 113.196
N4 C6 H10 108.984 N4 C6 H12 108.199
N4 C6 H14 113.196 C5 N3 H7 110.830
C6 N4 H8 110.830 H9 C5 H11 109.137
H9 C5 H13 108.890 H10 C6 H12 109.137
H10 C6 H14 108.890 H11 C5 H13 108.368
H12 C6 H14 108.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.278      
2 O -0.243      
3 N -0.318      
4 N -0.318      
5 C -0.142      
6 C -0.142      
7 H 0.182      
8 H 0.182      
9 H 0.085      
10 H 0.085      
11 H 0.100      
12 H 0.100      
13 H 0.077      
14 H 0.077      


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 -1.997 1.997
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.709 -3.320 0.000
y -3.320 -29.906 0.000
z 0.000 0.000 -34.565
Traceless
 xyz
x -1.474 -3.320 0.000
y -3.320 4.231 0.000
z 0.000 0.000 -2.757
Polar
3z2-r2-5.514
x2-y2-3.803
xy-3.320
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.355 -0.476 0.000
y -0.476 5.678 0.000
z 0.000 0.000 4.553


<r2> (average value of r2) Å2
<r2> 198.572
(<r2>)1/2 14.092