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

using model chemistry: HF/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 HF/CEP-31G*
 hartrees
Energy at 0K-56.197618
Energy at 298.15K-56.208115
HF Energy-56.197618
Nuclear repulsion energy139.096875
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 HF/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 3860 3466 27.41      
2 A 3352 3011 36.85      
3 A 3301 2964 38.39      
4 A 3231 2901 6.08      
5 A 1934 1737 420.52      
6 A 1655 1486 26.14      
7 A 1623 1458 0.35      
8 A 1613 1449 4.61      
9 A 1582 1421 0.57      
10 A 1304 1171 0.03      
11 A 1259 1131 0.42      
12 A 1232 1106 10.30      
13 A 993 892 1.25      
14 A 578 519 119.83      
15 A 457 411 56.65      
16 A 237 213 5.58      
17 A 215 193 0.15      
18 A 143 128 0.86      
19 B 3858 3464 10.80      
20 B 3352 3010 27.03      
21 B 3301 2964 111.55      
22 B 3229 2900 154.08      
23 B 1706 1532 472.59      
24 B 1632 1466 3.67      
25 B 1619 1453 48.13      
26 B 1588 1426 11.79      
27 B 1369 1229 268.71      
28 B 1257 1128 24.35      
29 B 1239 1113 8.45      
30 B 1101 989 8.46      
31 B 857 769 60.79      
32 B 781 701 24.15      
33 B 528 474 123.94      
34 B 339 304 45.43      
35 B 164 147 0.92      
36 B 130 117 8.95      

Unscaled Zero Point Vibrational Energy (zpe) 28309.1 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 25421.6 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 HF/CEP-31G*
ABC
0.33078 0.07220 0.06085

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.090
O2 0.000 0.000 1.302
N3 0.000 1.161 -0.665
N4 0.000 -1.161 -0.665
C5 -0.245 2.427 0.026
C6 0.245 -2.427 0.026
H7 -0.429 1.074 -1.565
H8 0.429 -1.074 -1.565
H9 -0.122 3.236 -0.692
H10 0.122 -3.236 -0.692
H11 0.481 2.548 0.823
H12 -0.481 -2.548 0.823
H13 -1.245 2.476 0.462
H14 1.245 -2.476 0.462

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.21201.38501.38502.44042.44042.01942.01943.33163.33162.69462.69462.79692.7969
O21.21202.28412.28412.75292.75293.09173.09173.80313.80312.63682.63682.89642.8964
N31.38502.28412.32231.46323.66251.00102.44802.07894.39922.09034.02532.13344.0067
N41.38502.28412.32233.66251.46322.44801.00104.39922.07894.02532.09034.00672.1334
C52.44042.75291.46323.66254.87912.09673.90501.08895.72061.08525.04401.09205.1437
C62.44042.75293.66251.46324.87913.90502.09675.72061.08895.04401.08525.14371.0920
H72.01943.09171.00102.44802.09673.90502.31412.35164.43282.95034.33912.59644.4185
H82.01943.09172.44801.00103.90502.09672.31414.43282.35164.33912.95034.41852.5964
H93.33163.80312.07894.39921.08895.72062.35164.43286.47721.77025.99011.78065.9865
H103.33163.80314.39922.07895.72061.08894.43282.35166.47725.99011.77025.98651.7806
H112.69462.63682.09034.02531.08525.04402.95034.33911.77025.99015.18591.76565.0949
H122.69462.63684.02532.09035.04401.08524.33912.95035.99011.77025.18595.09491.7656
H132.79692.89642.13344.00671.09205.14372.59644.41851.78065.98651.76565.09495.5440
H142.79692.89644.00672.13345.14371.09204.41852.59645.98651.78065.09491.76565.5440

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 117.897 C1 N3 H7 114.681
C1 N4 C6 117.897 C1 N4 H8 114.681
O2 C1 N3 123.031 O2 C1 N4 123.031
N3 C1 N4 113.938 N3 C5 H9 108.202
N3 C5 H11 109.320 N3 C5 H13 112.406
N4 C6 H10 108.202 N4 C6 H12 109.320
N4 C6 H14 112.406 C5 N3 H7 115.334
C6 N4 H8 115.334 H9 C5 H11 109.023
H9 C5 H13 109.462 H10 C6 H12 109.023
H10 C6 H14 109.462 H11 C5 H13 108.379
H12 C6 H14 108.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.129      
2 O -0.295      
3 N -0.295      
4 N -0.295      
5 C -0.295      
6 C -0.295      
7 H 0.338      
8 H 0.338      
9 H 0.156      
10 H 0.156      
11 H 0.172      
12 H 0.172      
13 H 0.136      
14 H 0.136      


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 -3.889 3.889
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.259 -2.576 0.000
y -2.576 -29.882 0.000
z 0.000 0.000 -37.805
Traceless
 xyz
x -3.416 -2.576 0.000
y -2.576 7.650 0.000
z 0.000 0.000 -4.234
Polar
3z2-r2-8.469
x2-y2-7.377
xy-2.576
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.005 -0.309 0.000
y -0.309 7.815 0.000
z 0.000 0.000 6.603


<r2> (average value of r2) Å2
<r2> 157.682
(<r2>)1/2 12.557