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: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-304.015690
Energy at 298.15K-304.025599
HF Energy-304.015690
Nuclear repulsion energy248.176114
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 B3LYP/Def2TZVPP
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 3617 3482 19.95      
2 A 3139 3022 10.71      
3 A 3091 2975 8.51      
4 A 3015 2902 5.14      
5 A 1754 1688 259.85      
6 A 1530 1473 21.60      
7 A 1496 1441 0.58      
8 A 1479 1424 4.47      
9 A 1451 1397 10.39      
10 A 1198 1153 0.07      
11 A 1177 1133 2.38      
12 A 1146 1104 5.54      
13 A 922 888 2.40      
14 A 515 496 35.09      
15 A 400 385 54.30      
16 A 222 214 4.16      
17 A 179 173 0.01      
18 A 81 78 0.06      
19 B 3611 3476 7.40      
20 B 3139 3022 3.48      
21 B 3091 2975 51.65      
22 B 3014 2901 121.07      
23 B 1562 1504 334.32      
24 B 1512 1455 4.76      
25 B 1486 1430 74.91      
26 B 1454 1399 11.02      
27 B 1262 1215 239.78      
28 B 1156 1113 34.46      
29 B 1145 1102 2.88      
30 B 1037 998 1.33      
31 B 771 742 13.55      
32 B 724 697 18.12      
33 B 478 461 113.70      
34 B 320 308 41.62      
35 B 120 116 10.43      
36 B 89 85 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 26192.7 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 25213.1 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 B3LYP/Def2TZVPP
ABC
0.32997 0.07192 0.06053

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.100
O2 0.000 0.000 1.317
N3 0.000 1.160 -0.653
N4 0.000 -1.160 -0.653
C5 -0.204 2.440 0.009
C6 0.204 -2.440 0.009
H7 -0.372 1.089 -1.585
H8 0.372 -1.089 -1.585
H9 0.019 3.240 -0.697
H10 -0.019 -3.240 -0.697
H11 0.488 2.519 0.842
H12 -0.488 -2.519 0.842
H13 -1.218 2.572 0.393
H14 1.218 -2.572 0.393

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.21651.38341.38342.45042.45042.04112.04113.33643.33642.67112.67112.86132.8613
O21.21652.28642.28642.77622.77623.12223.12223.81453.81452.60952.60952.99242.9924
N31.38342.28642.32021.45543.66631.00632.46272.08014.40012.07894.00162.13874.0633
N41.38342.28642.32023.66631.45542.46271.00634.40012.08014.00162.07894.06332.1387
C52.45042.77621.45543.66634.89732.09663.91491.08925.72651.08605.03701.09315.2244
C62.45042.77623.66631.45544.89733.91492.09665.72651.08925.03701.08605.22441.0931
H72.04113.12221.00632.46272.09663.91492.30152.36004.43292.94624.35032.61374.4553
H82.04113.12222.46271.00633.91492.09662.30154.43292.36004.35032.94624.45532.6137
H93.33643.81452.08014.40011.08925.72652.36004.43296.47951.76285.98251.77886.0338
H103.33643.81454.40012.08015.72651.08924.43292.36006.47955.98251.76286.03381.7788
H112.67112.60952.07894.00161.08605.03702.94624.35031.76285.98255.13201.76495.1633
H122.67112.60954.00162.07895.03701.08604.35032.94625.98251.76285.13205.16331.7649
H132.86132.99242.13874.06331.09315.22442.61374.45531.77886.03381.76495.16335.6925
H142.86132.99244.06332.13875.22441.09314.45532.61376.03381.77885.16331.76495.6925

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 119.324 C1 N3 H7 116.435
C1 N4 C6 119.324 C1 N4 H8 116.435
O2 C1 N3 123.011 O2 C1 N4 123.011
N3 C1 N4 113.978 N3 C5 H9 108.818
N3 C5 H11 108.911 N3 C5 H13 113.349
N4 C6 H10 108.818 N4 C6 H12 108.911
N4 C6 H14 113.349 C5 N3 H7 115.581
C6 N4 H8 115.581 H9 C5 H11 108.272
H9 C5 H13 109.196 H10 C6 H12 108.272
H10 C6 H14 109.196 H11 C5 H13 108.178
H12 C6 H14 108.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.370      
2 O -0.411      
3 N -0.252      
4 N -0.252      
5 C -0.166      
6 C -0.166      
7 H 0.125      
8 H 0.125      
9 H 0.094      
10 H 0.094      
11 H 0.120      
12 H 0.120      
13 H 0.100      
14 H 0.100      


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 -3.775 3.775
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.986 -1.546 0.000
y -1.546 -30.704 0.000
z 0.000 0.000 -37.725
Traceless
 xyz
x -3.771 -1.546 0.000
y -1.546 7.152 0.000
z 0.000 0.000 -3.381
Polar
3z2-r2-6.761
x2-y2-7.282
xy-1.546
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.425 -0.460 0.000
y -0.460 10.843 0.000
z 0.000 0.000 8.230


<r2> (average value of r2) Å2
<r2> 193.234
(<r2>)1/2 13.901