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

using model chemistry: B3PW91/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 B3PW91/STO-3G
 hartrees
Energy at 0K-299.856042
Energy at 298.15K-299.865510
HF Energy-299.856042
Nuclear repulsion energy241.205073
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 B3PW91/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 3681 3258 0.34      
2 A 3498 3096 0.39      
3 A 3452 3055 0.80      
4 A 3296 2917 0.27      
5 A 1917 1697 69.53      
6 A 1677 1484 6.21      
7 A 1655 1464 0.16      
8 A 1561 1382 6.85      
9 A 1544 1367 0.33      
10 A 1242 1099 3.99      
11 A 1212 1072 0.01      
12 A 1175 1040 5.37      
13 A 940 832 0.71      
14 A 607 537 122.37      
15 A 445 394 7.48      
16 A 215 191 0.50      
17 A 170 151 4.03      
18 A 90 80 0.80      
19 B 3680 3257 3.40      
20 B 3498 3096 0.20      
21 B 3452 3055 6.71      
22 B 3296 2917 24.38      
23 B 1678 1485 1.77      
24 B 1654 1464 20.47      
25 B 1572 1391 66.28      
26 B 1560 1381 44.44      
27 B 1257 1113 241.84      
28 B 1194 1057 33.42      
29 B 1183 1047 12.87      
30 B 1101 975 24.11      
31 B 769 680 52.77      
32 B 651 576 16.76      
33 B 496 439 62.89      
34 B 267 236 30.79      
35 B 108 95 3.04      
36 B 93 82 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 27943.3 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 24729.8 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 B3PW91/STO-3G
ABC
0.29421 0.06960 0.05813

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.142
O2 0.000 0.000 1.391
N3 0.000 1.199 -0.698
N4 0.000 -1.199 -0.698
C5 -0.479 2.432 -0.008
C6 0.479 -2.432 -0.008
H7 -0.531 1.033 -1.588
H8 0.531 -1.033 -1.588
H9 -0.152 3.321 -0.575
H10 0.152 -3.321 -0.575
H11 -0.022 2.453 0.995
H12 0.022 -2.453 0.995
H13 -1.580 2.470 0.110
H14 1.580 -2.470 0.110

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.24871.46381.46382.48372.48372.08422.08423.40053.40052.59682.59682.93232.9323
O21.24872.40832.40832.84652.84653.19763.19763.86193.86192.48462.48463.19983.1998
N31.46382.40832.39761.49263.72721.04982.46112.13074.52362.10674.02482.18284.0755
N41.46382.40832.39763.72721.49262.46111.04984.52362.13074.02482.10674.07552.1828
C52.48372.84651.49263.72724.95842.11163.94081.10345.81531.10195.01221.10775.3187
C62.48372.84653.72721.49264.95843.94082.11165.81531.10345.01221.10195.31871.1077
H72.08423.19761.04982.46112.11163.94082.32332.53024.52212.99104.37392.45944.4286
H82.08423.19762.46111.04983.94082.11162.32334.52212.53024.37392.99104.42862.4594
H93.40053.86192.13074.52361.10345.81532.53024.52216.64811.79845.98551.79756.0828
H103.40053.86194.52362.13075.81531.10344.52212.53026.64815.98551.79846.08281.7975
H112.59682.48462.10674.02481.10195.01222.99104.37391.79845.98554.90571.79165.2521
H122.59682.48464.02482.10675.01221.10194.37392.99105.98551.79844.90575.25211.7916
H132.93233.19982.18284.07551.10775.31872.45944.42861.79756.08281.79165.25215.8643
H142.93233.19984.07552.18285.31871.10774.42862.45946.08281.79755.25211.79165.8643

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 114.303 C1 N3 H7 110.957
C1 N4 C6 114.303 C1 N4 H8 110.957
O2 C1 N3 125.019 O2 C1 N4 125.019
N3 C1 N4 109.961 N3 C5 H9 109.412
N3 C5 H11 107.626 N3 C5 H13 113.333
N4 C6 H10 109.412 N4 C6 H12 107.626
N4 C6 H14 113.333 C5 N3 H7 111.116
C6 N4 H8 111.116 H9 C5 H11 109.274
H9 C5 H13 108.771 H10 C6 H12 109.274
H10 C6 H14 108.771 H11 C5 H13 108.356
H12 C6 H14 108.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.258      
2 O -0.237      
3 N -0.311      
4 N -0.311      
5 C -0.154      
6 C -0.154      
7 H 0.184      
8 H 0.184      
9 H 0.088      
10 H 0.088      
11 H 0.104      
12 H 0.104      
13 H 0.079      
14 H 0.079      


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 -2.062 2.062
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.741 -3.286 0.000
y -3.286 -29.934 0.000
z 0.000 0.000 -34.279
Traceless
 xyz
x -1.634 -3.286 0.000
y -3.286 4.076 0.000
z 0.000 0.000 -2.441
Polar
3z2-r2-4.883
x2-y2-3.807
xy-3.286
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.345 -0.513 0.000
y -0.513 5.874 0.000
z 0.000 0.000 4.547


<r2> (average value of r2) Å2
<r2> 198.423
(<r2>)1/2 14.086