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/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-57.582536
Energy at 298.15K-57.592775
HF Energy-57.582536
Nuclear repulsion energy137.914887
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/CEP-31G*
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 3651 3651 15.56      
2 A 3190 3190 31.82      
3 A 3145 3145 19.46      
4 A 3067 3067 8.27      
5 A 1804 1804 312.68      
6 A 1536 1536 20.47      
7 A 1503 1503 0.34      
8 A 1484 1484 5.97      
9 A 1464 1464 1.16      
10 A 1215 1215 0.47      
11 A 1183 1183 2.05      
12 A 1146 1146 7.02      
13 A 932 932 2.37      
14 A 547 547 106.75      
15 A 429 429 57.15      
16 A 228 228 4.51      
17 A 193 193 0.05      
18 A 167 167 0.90      
19 B 3650 3650 8.81      
20 B 3190 3190 16.99      
21 B 3145 3145 92.83      
22 B 3066 3066 148.20      
23 B 1571 1571 421.44      
24 B 1519 1519 8.16      
25 B 1496 1496 65.59      
26 B 1472 1472 6.18      
27 B 1267 1267 209.95      
28 B 1160 1160 22.61      
29 B 1146 1146 0.94      
30 B 1060 1060 1.98      
31 B 771 771 33.97      
32 B 724 724 16.72      
33 B 477 477 124.04      
34 B 314 314 46.18      
35 B 171 171 0.26      
36 B 127 127 9.64      

Unscaled Zero Point Vibrational Energy (zpe) 26603.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 26603.4 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/CEP-31G*
ABC
0.32160 0.07153 0.06008

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.089
O2 0.000 0.000 1.320
N3 0.000 1.169 -0.678
N4 0.000 -1.169 -0.678
C5 -0.215 2.440 0.027
C6 0.215 -2.440 0.027
H7 -0.460 1.087 -1.581
H8 0.460 -1.087 -1.581
H9 -0.081 3.263 -0.690
H10 0.081 -3.263 -0.690
H11 0.531 2.535 0.826
H12 -0.531 -2.535 0.826
H13 -1.217 2.506 0.485
H14 1.217 -2.506 0.485

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.23071.39891.39892.44972.44972.04482.04483.35563.35562.69262.69262.81362.8136
O21.23072.31542.31542.76952.76953.13153.13153.83303.83302.63682.63682.90812.9081
N31.39892.31542.33881.46853.68341.01602.47282.09514.43312.09984.03322.14944.0424
N41.39892.31542.33883.68341.46852.47281.01604.43312.09514.03322.09984.04242.1494
C52.44972.76951.46853.68344.89792.11533.93341.09965.75491.09715.04811.10385.1687
C62.44972.76953.68341.46854.89793.93342.11535.75491.09965.04811.09715.16871.1038
H72.04483.13151.01602.47282.11533.93342.35952.38214.47262.97834.34872.61814.4701
H82.04483.13152.47281.01603.93342.11532.35954.47262.38214.34872.97834.47012.6181
H93.35563.83302.09514.43311.09965.75492.38214.47266.52791.78896.00951.80096.0284
H103.35563.83304.43312.09515.75491.09964.47262.38216.52796.00951.78896.02841.8009
H112.69262.63682.09984.03321.09715.04812.97834.34871.78896.00955.18001.78115.0986
H122.69262.63684.03322.09985.04811.09714.34872.97836.00951.78895.18005.09861.7811
H132.81362.90812.14944.04241.10385.16872.61814.47011.80096.02841.78115.09865.5713
H142.81362.90814.04242.14945.16871.10384.47012.61816.02841.80095.09861.78115.5713

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 117.353 C1 N3 H7 114.788
C1 N4 C6 117.353 C1 N4 H8 114.788
O2 C1 N3 123.287 O2 C1 N4 123.287
N3 C1 N4 113.427 N3 C5 H9 108.485
N3 C5 H11 108.995 N3 C5 H13 112.580
N4 C6 H10 108.485 N4 C6 H12 108.995
N4 C6 H14 112.580 C5 N3 H7 115.521
C6 N4 H8 115.521 H9 C5 H11 109.048
H9 C5 H13 109.635 H10 C6 H12 109.048
H10 C6 H14 109.635 H11 C5 H13 108.044
H12 C6 H14 108.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.367      
2 O -0.175      
3 N -0.152      
4 N -0.152      
5 C -0.444      
6 C -0.444      
7 H 0.312      
8 H 0.312      
9 H 0.187      
10 H 0.187      
11 H 0.201      
12 H 0.201      
13 H 0.167      
14 H 0.167      


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 -3.705 3.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.823 -2.417 0.000
y -2.417 -29.085 0.000
z 0.000 0.000 -36.884
Traceless
 xyz
x -3.839 -2.417 0.000
y -2.417 7.769 0.000
z 0.000 0.000 -3.930
Polar
3z2-r2-7.861
x2-y2-7.738
xy-2.417
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.278 -0.345 0.000
y -0.345 8.924 0.000
z 0.000 0.000 7.075


<r2> (average value of r2) Å2
<r2> 158.957
(<r2>)1/2 12.608