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 N(CH3)2CONH2 (Urea, N,N-dimethyl-)

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-300.636402
Energy at 298.15K-300.646738
Nuclear repulsion energy253.812143
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 LSDA/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 3610 3545 43.74      
2 A 3480 3417 27.71      
3 A 3049 2994 1.57      
4 A 3038 2983 7.94      
5 A 3003 2949 27.92      
6 A 2990 2936 32.08      
7 A 2943 2890 67.98      
8 A 2911 2859 62.41      
9 A 1743 1711 236.32      
10 A 1597 1569 151.18      
11 A 1539 1511 78.37      
12 A 1509 1482 18.23      
13 A 1503 1476 15.34      
14 A 1493 1466 27.19      
15 A 1459 1433 128.88      
16 A 1396 1371 99.93      
17 A 1391 1366 44.01      
18 A 1301 1278 5.41      
19 A 1269 1246 48.27      
20 A 1148 1127 4.23      
21 A 1102 1082 5.60      
22 A 1069 1049 1.00      
23 A 1056 1037 16.48      
24 A 1022 1004 65.07      
25 A 783 769 43.38      
26 A 765 751 18.08      
27 A 604 593 5.52      
28 A 546 536 120.42      
29 A 501 492 23.72      
30 A 457 449 93.01      
31 A 377 370 32.64      
32 A 305 299 37.71      
33 A 238 233 1.98      
34 A 173 170 5.67      
35 A 166 163 4.06      
36 A 90 88 9.53      

Unscaled Zero Point Vibrational Energy (zpe) 25812.2 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 25347.6 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 LSDA/3-21G*
ABC
0.16577 0.12080 0.07213

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.547 0.780 0.006
O2 1.233 -1.346 -0.085
C3 0.761 -0.197 -0.009
N4 -0.598 0.047 0.010
H5 1.189 1.833 0.376
N6 1.539 0.930 0.056
H7 -2.168 -1.130 -0.777
H8 -2.044 -1.142 1.021
H9 -0.778 -1.972 0.024
C10 -1.464 -1.106 0.078
H11 -1.306 1.863 0.907
H12 -2.157 1.303 -0.563
H13 -0.526 2.008 -0.716
C14 -1.165 1.367 -0.079

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.50072.03593.22961.75761.01975.14675.07904.31654.43264.10194.76693.38723.7588
O22.50071.24512.30303.21222.30103.47753.46442.10952.71254.21004.32893.83953.6207
C32.03591.24511.38072.10951.37143.16813.13312.34992.40463.05733.32692.64872.4812
N43.22962.30301.38072.55312.31372.11342.12692.02741.44322.14512.08202.09221.4390
H51.75763.21222.10952.55311.01994.62334.44004.29813.97032.55063.51532.04112.4423
N61.01972.30101.37142.31371.01994.32234.25023.71463.62873.11273.76642.45442.7427
H75.14673.47753.16812.11344.62334.32231.80161.81151.10733.54012.44243.54172.7796
H85.07903.46443.13312.12694.44004.25021.80161.81271.10763.09592.91493.90372.8764
H94.31652.10952.34992.02744.29813.71461.81151.81271.10613.97073.60194.05623.3631
C104.43262.71252.40461.44323.97033.62871.10731.10761.10613.08642.58743.34742.4958
H114.10194.21003.05732.14512.55063.11273.54013.09593.97073.08641.78781.80611.1121
H124.76694.32893.32692.08203.51533.76642.44242.91493.60192.58741.78781.78311.1056
H133.38723.83952.64872.09222.04112.45443.54173.90374.05623.34741.80611.78311.1068
C143.75883.62072.48121.43902.44232.74272.77962.87643.36312.49581.11211.10561.1068

picture of Urea, N,N-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N6 C3 115.960 H1 N6 H5 119.033
O2 C3 N4 122.498 O2 C3 N6 123.074
C3 N4 C10 116.737 C3 N4 C14 123.255
C3 N6 H5 123.131 N4 C3 N6 114.427
N4 C10 H7 111.230 N4 C10 H8 112.320
N4 C10 H9 104.582 N4 C14 H11 113.847
N4 C14 H12 109.111 N4 C14 H13 109.849
H7 C10 H8 108.855 H7 C10 H9 109.846
H8 C10 H9 109.940 C10 N4 C14 119.976
H11 C14 H12 107.441 H11 C14 H13 108.969
H12 C14 H13 107.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.330      
2 O -0.476      
3 C 0.765      
4 N -0.576      
5 H 0.316      
6 N -0.758      
7 H 0.209      
8 H 0.211      
9 H 0.258      
10 C -0.472      
11 H 0.214      
12 H 0.236      
13 H 0.222      
14 C -0.478      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.123 3.718 0.495 3.915
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.313 5.201 0.985
y 5.201 -35.807 0.526
z 0.985 0.526 -37.612
Traceless
 xyz
x 4.396 5.201 0.985
y 5.201 -0.844 0.526
z 0.985 0.526 -3.552
Polar
3z2-r2-7.104
x2-y23.494
xy5.201
xz0.985
yz0.526


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.293 0.111 -0.131
y 0.111 7.506 0.224
z -0.131 0.224 4.223


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000