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

using model chemistry: TPSSh/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 TPSSh/3-21G
 hartrees
Energy at 0K-302.223303
Energy at 298.15K-302.233414
HF Energy-302.223303
Nuclear repulsion energy246.233536
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 TPSSh/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 3570 3458 13.02      
2 A 3141 3043 0.96      
3 A 3072 2976 0.00      
4 A 3025 2931 1.24      
5 A 1708 1654 112.29      
6 A 1586 1536 31.76      
7 A 1576 1527 0.00      
8 A 1506 1459 10.76      
9 A 1454 1409 63.16      
10 A 1185 1148 6.12      
11 A 1161 1124 0.07      
12 A 1160 1123 4.75      
13 A 911 882 4.85      
14 A 500 485 1.54      
15 A 298 289 0.00      
16 A 237 230 0.87      
17 A 179 173 0.00      
18 A 140 135 0.00      
19 B 3562 3451 5.24      
20 B 3140 3042 0.03      
21 B 3072 2976 110.47      
22 B 3023 2929 162.16      
23 B 1598 1548 63.84      
24 B 1577 1528 14.70      
25 B 1529 1482 318.79      
26 B 1466 1420 3.32      
27 B 1242 1204 327.41      
28 B 1169 1132 1.62      
29 B 1158 1122 72.32      
30 B 1028 996 4.45      
31 B 756 733 28.02      
32 B 697 675 10.02      
33 B 518 502 305.18      
34 B 371 359 40.32      
35 B 170 165 1.87      
36 B 119 116 14.93      

Unscaled Zero Point Vibrational Energy (zpe) 26299.7 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 25479.2 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 TPSSh/3-21G
ABC
0.32075 0.07131 0.05967

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.081
O2 0.000 0.000 1.334
N3 0.000 1.165 -0.668
N4 0.000 -1.165 -0.668
C5 0.003 2.460 0.022
C6 -0.003 -2.460 0.022
H7 0.000 1.139 -1.683
H8 -0.000 -1.139 -1.683
H9 0.899 3.045 -0.222
H10 -0.899 -3.045 -0.222
H11 0.003 2.216 1.089
H12 -0.003 -2.216 1.089
H13 -0.891 3.048 -0.221
H14 0.891 -3.048 -0.221

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.25371.38481.38482.46082.46082.09932.09933.18973.18972.43442.43443.19043.1904
O21.25372.31682.31682.78812.78813.22513.22513.53633.53632.22962.22963.53653.5365
N31.38482.31682.32951.46803.69011.01502.51702.13164.32812.04733.81002.13154.3297
N41.38482.31682.32953.69011.46802.51701.01504.32812.13163.81002.04734.32972.1315
C52.46082.78811.46803.69014.92022.15743.98231.09785.58421.09374.79611.09785.5851
C62.46082.78813.69011.46804.92023.98232.15745.58421.09784.79611.09375.58511.0978
H72.09933.22511.01502.51702.15743.98232.27722.56474.52202.97354.35142.56524.5236
H82.09933.22512.51701.01503.98232.15742.27724.52202.56474.35142.97354.52362.5652
H93.18973.53632.13164.32811.09785.58422.56474.52206.35061.79115.49671.79036.0939
H103.18973.53634.32812.13165.58421.09784.52202.56476.35065.49671.79116.09391.7903
H112.43442.22962.04733.81001.09374.79612.97354.35141.79115.49674.43201.79105.4972
H122.43442.22963.81002.04734.79611.09374.35142.97355.49671.79114.43205.49721.7910
H133.19043.53652.13154.32971.09785.58512.56524.52361.79036.09391.79105.49726.3523
H143.19043.53654.32972.13155.58511.09784.52362.56526.09391.79035.49721.79106.3523

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 119.192 C1 N3 H7 121.267
C1 N4 C6 119.192 C1 N4 H8 121.267
O2 C1 N3 122.744 O2 C1 N4 122.744
N3 C1 N4 114.513 N3 C5 H9 111.548
N3 C5 H11 105.169 N3 C5 H13 111.535
N4 C6 H10 111.548 N4 C6 H12 105.169
N4 C6 H14 111.535 C5 N3 H7 119.541
C6 N4 H8 119.541 H9 C5 H11 109.626
H9 C5 H13 109.257 H10 C6 H12 109.626
H10 C6 H14 109.257 H11 C5 H13 109.623
H12 C6 H14 109.623
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.914      
2 O -0.542      
3 N -0.734      
4 N -0.734      
5 C -0.413      
6 C -0.413      
7 H 0.305      
8 H 0.305      
9 H 0.201      
10 H 0.201      
11 H 0.253      
12 H 0.253      
13 H 0.201      
14 H 0.201      


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 -3.832 3.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.144 0.005 0.000
y 0.005 9.542 0.000
z 0.000 0.000 6.455


<r2> (average value of r2) Å2
<r2> 194.640
(<r2>)1/2 13.951