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

using model chemistry: B1B95/CEP-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 B1B95/CEP-31G*
 hartrees
Energy at 0K-50.652194
Energy at 298.15K-50.660248
Nuclear repulsion energy101.967195
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 B1B95/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 3742 3582 34.84      
2 A 3683 3525 41.68      
3 A 3617 3462 23.83      
4 A 3168 3033 26.07      
5 A 3105 2972 47.79      
6 A 3046 2916 57.12      
7 A 1829 1750 548.83      
8 A 1649 1579 156.00      
9 A 1510 1445 63.27      
10 A 1485 1421 77.40      
11 A 1480 1416 10.10      
12 A 1446 1384 55.37      
13 A 1399 1339 75.97      
14 A 1205 1153 8.44      
15 A 1142 1093 20.28      
16 A 1134 1086 5.03      
17 A 1073 1027 31.82      
18 A 898 859 4.42      
19 A 769 736 52.19      
20 A 593 567 71.05      
21 A 561 537 144.79      
22 A 531 508 11.53      
23 A 491 470 36.85      
24 A 388 371 157.48      
25 A 273 261 2.59      
26 A 154 147 4.22      
27 A 102 98 6.10      

Unscaled Zero Point Vibrational Energy (zpe) 20234.0 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 19368.0 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 B1B95/CEP-31G*
ABC
0.32282 0.13817 0.09950

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.873 0.042 0.087
H2 -2.081 0.782 -0.708
H3 -2.707 -0.674 0.081
H4 -1.867 0.568 1.058
H5 -0.615 -1.679 -0.025
N6 -0.632 -0.675 -0.168
C7 0.627 -0.112 -0.021
H8 -0.099 1.798 -0.423
H9 1.570 1.666 -0.080
N10 0.639 1.286 0.050
O11 1.653 -0.790 0.066

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10561.09951.10502.13431.45582.50672.54743.81032.80253.6228
H21.10561.77041.79152.94482.12532.93322.24523.80872.86774.1251
H31.09951.77041.78982.32362.09073.38303.62864.87823.87754.3623
H41.10501.79151.78982.79102.13892.80122.61363.78342.79423.9011
H52.13432.94482.32362.79101.01391.99993.53753.99573.21962.4384
N61.45582.12532.09072.13891.01391.38682.54273.21492.34632.2998
C72.50672.93323.38302.80121.99991.38682.08212.01281.39901.2333
H82.54742.24523.62862.61363.53752.54272.08211.70931.01513.1633
H93.81033.80874.87823.78343.99573.21492.01281.70931.01472.4610
N102.80252.86773.87752.79423.21962.34631.39901.01511.01472.3101
O113.62284.12514.36233.90112.43842.29981.23333.16332.46102.3101

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 118.481 C1 N6 C7 123.713
H2 C1 H3 106.808 H2 C1 H4 108.280
H2 C1 N6 111.413 H3 C1 H4 108.566
H3 C1 N6 109.008 H4 C1 N6 112.567
H5 N6 C7 111.890 N6 C7 N10 114.756
N6 C7 O11 122.642 C7 N10 H8 118.319
C7 N10 H9 112.025 H8 N10 H9 114.725
N10 C7 O11 122.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.538      
2 H 0.159      
3 H 0.207      
4 H 0.189      
5 H 0.336      
6 N -0.085      
7 C -0.353      
8 H 0.309      
9 H 0.337      
10 N -0.408      
11 O -0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.729 2.051 -0.658 4.306
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.088 5.529 -1.011
y 5.529 -25.582 -2.374
z -1.011 -2.374 -31.441
Traceless
 xyz
x -2.577 5.529 -1.011
y 5.529 5.683 -2.374
z -1.011 -2.374 -3.106
Polar
3z2-r2-6.212
x2-y2-5.506
xy5.529
xz-1.011
yz-2.374


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.987 -0.180 0.149
y -0.180 5.861 -0.028
z 0.149 -0.028 3.811


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