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

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-264.269905
Energy at 298.15K-264.277881
Nuclear repulsion energy181.398160
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 PBEPBE/6-31G**
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 3620 3571 25.56      
2 A 3574 3525 30.14      
3 A 3491 3443 9.27      
4 A 3079 3037 13.69      
5 A 2996 2955 39.82      
6 A 2946 2906 51.26      
7 A 1774 1750 359.08      
8 A 1578 1557 129.84      
9 A 1484 1464 36.76      
10 A 1451 1431 43.46      
11 A 1447 1427 29.64      
12 A 1399 1380 31.80      
13 A 1365 1346 99.25      
14 A 1171 1155 3.90      
15 A 1118 1102 13.86      
16 A 1107 1092 14.34      
17 A 1046 1031 29.79      
18 A 871 859 3.69      
19 A 740 730 54.47      
20 A 591 583 50.86      
21 A 556 548 144.37      
22 A 521 514 14.57      
23 A 475 468 35.68      
24 A 381 376 102.70      
25 A 266 263 3.70      
26 A 145 143 5.63      
27 A 101 99 3.33      

Unscaled Zero Point Vibrational Energy (zpe) 19645.3 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 19376.2 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 PBEPBE/6-31G**
ABC
0.32251 0.13740 0.09914

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.881 0.044 0.089
H2 -2.095 0.797 -0.693
H3 -2.711 -0.677 0.067
H4 -1.890 0.556 1.070
H5 -0.621 -1.666 -0.033
N6 -0.636 -0.660 -0.173
C7 0.629 -0.110 -0.021
H8 -0.062 1.808 -0.445
H9 1.598 1.646 -0.074
N10 0.656 1.284 0.053
O11 1.645 -0.805 0.068

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10641.09951.10642.12871.45422.51752.59013.83392.82433.6271
H21.10641.76901.79172.94602.12622.94872.28493.83972.89194.1391
H31.09951.76901.78942.31442.08803.38843.66854.89713.89634.3573
H41.10641.79171.78942.78662.14362.82462.68423.82912.83643.9176
H52.12872.94602.31442.78661.01641.99573.54363.98713.21602.4258
N61.45422.12622.08802.14361.01641.38792.54903.21262.34542.2986
C72.51752.94873.38842.82461.99571.38792.08262.00671.39661.2339
H82.59012.28493.66852.68423.54362.54902.08261.70811.01853.1628
H93.83393.83974.89713.82913.98713.21262.00671.70811.01722.4555
N102.82432.89193.89632.83643.21602.34541.39661.01851.01722.3111
O113.62714.13914.35733.91762.42582.29861.23393.16282.45552.3111

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 117.905 C1 N6 C7 124.674
H2 C1 H3 106.634 H2 C1 H4 108.129
H2 C1 N6 111.543 H3 C1 H4 108.420
H3 C1 N6 108.908 H4 C1 N6 112.970
H5 N6 C7 111.273 N6 C7 N10 114.766
N6 C7 O11 122.387 C7 N10 H8 118.320
C7 N10 H9 111.507 H8 N10 H9 114.088
N10 C7 O11 122.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.242      
2 H 0.127      
3 H 0.139      
4 H 0.144      
5 H 0.274      
6 N -0.497      
7 C 0.617      
8 H 0.257      
9 H 0.278      
10 N -0.605      
11 O -0.492      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.229 1.826 -0.635 3.763
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.711 5.062 -0.929
y 5.062 -25.990 -2.136
z -0.929 -2.136 -31.277
Traceless
 xyz
x -2.078 5.062 -0.929
y 5.062 5.004 -2.136
z -0.929 -2.136 -2.926
Polar
3z2-r2-5.853
x2-y2-4.722
xy5.062
xz-0.929
yz-2.136


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.416 -0.081 0.160
y -0.081 6.300 -0.108
z 0.160 -0.108 3.604


<r2> (average value of r2) Å2
<r2> 119.837
(<r2>)1/2 10.947