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All results from a given calculation for C2H6N2O (Urea, methyl-)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-49.439581
Energy at 298.15K-49.448082
Nuclear repulsion energy102.160553
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-121G
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 3995 3645 43.17      
2 A 3878 3539 40.92      
3 A 3837 3501 45.30      
4 A 3277 2990 34.94      
5 A 3216 2935 65.40      
6 A 3145 2870 61.99      
7 A 1830 1670 428.39      
8 A 1781 1625 356.51      
9 A 1664 1518 26.79      
10 A 1639 1495 9.06      
11 A 1625 1483 92.68      
12 A 1582 1444 64.63      
13 A 1547 1412 269.29      
14 A 1300 1186 0.64      
15 A 1256 1146 0.68      
16 A 1228 1120 58.31      
17 A 1172 1069 24.32      
18 A 939 857 5.61      
19 A 839 765 166.37      
20 A 608 555 11.95      
21 A 600 548 239.44      
22 A 566 517 0.27      
23 A 560 511 18.21      
24 A 452 412 228.20      
25 A 304 277 5.36      
26 A 175 159 2.01      
27 A 132 121 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 21571.7 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 19684.2 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 HF/CEP-121G
ABC
0.32912 0.13621 0.09811

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.876 0.065 -0.000
H2 -1.978 0.690 -0.884
H3 -2.690 -0.647 -0.004
H4 -1.982 0.686 0.886
H5 -0.631 -1.667 0.001
N6 -0.616 -0.673 0.001
C7 0.645 -0.131 0.000
H8 -0.044 1.847 0.002
H9 1.653 1.625 -0.000
N10 0.739 1.240 -0.000
O11 1.665 -0.851 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.08731.08211.08732.13291.46022.52832.55593.85842.86643.6573
H21.08731.75241.77032.85502.12042.88692.42203.85222.90924.0526
H31.08211.75241.75262.29762.07393.37463.63694.90183.91404.3596
H41.08731.77031.75262.85382.12062.89032.42653.85772.91474.0558
H52.13292.85502.29762.85380.99341.99633.56254.00673.21322.4362
N61.46022.12042.07392.12060.99341.37272.58473.23012.34462.2879
C72.52832.88693.37462.89031.99631.37272.09452.02531.37451.2485
H82.55592.42203.63692.42653.56252.58472.09451.71090.99003.1935
H93.85843.85224.90183.85774.00673.23012.02531.71090.99222.4765
N102.86642.90923.91402.91473.21322.34461.37450.99000.99222.2872
O113.65734.05264.35964.05582.43622.28791.24853.19352.47652.2872

picture of Urea, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N6 H5 119.544 C1 N6 C7 126.348
H2 C1 H3 107.763 H2 C1 H4 108.997
H2 C1 N6 111.849 H3 C1 H4 107.782
H3 C1 N6 108.415 H4 C1 N6 111.868
H5 N6 C7 114.108 N6 C7 N10 117.181
N6 C7 O11 121.514 C7 N10 H8 123.895
C7 N10 H9 116.762 H8 N10 H9 119.343
N10 C7 O11 121.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.346      
2 H 0.167      
3 H 0.166      
4 H 0.167      
5 H 0.369      
6 N -0.459      
7 C 0.276      
8 H 0.352      
9 H 0.368      
10 N -0.668      
11 O -0.392      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.723 2.961 0.004 5.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.322 6.866 0.008
y 6.866 -26.471 0.009
z 0.008 0.009 -32.598
Traceless
 xyz
x -3.788 6.866 0.008
y 6.866 6.489 0.009
z 0.008 0.009 -2.701
Polar
3z2-r2-5.403
x2-y2-6.851
xy6.866
xz0.008
yz0.009


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.334 -0.317 -0.001
y -0.317 5.513 0.001
z -0.001 0.001 3.745


<r2> (average value of r2) Å2
<r2> 100.592
(<r2>)1/2 10.030