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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-264.392012
Energy at 298.15K-264.400223
Nuclear repulsion energy181.593165
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 B3PW91/6-31G
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 3801 3640 40.09      
2 A 3698 3541 40.17      
3 A 3661 3506 32.17      
4 A 3165 3031 14.49      
5 A 3078 2948 50.05      
6 A 3021 2894 51.30      
7 A 1758 1683 417.40      
8 A 1673 1602 163.14      
9 A 1565 1499 48.87      
10 A 1535 1470 115.56      
11 A 1534 1469 9.43      
12 A 1479 1416 10.02      
13 A 1458 1397 152.13      
14 A 1220 1169 2.01      
15 A 1174 1124 0.41      
16 A 1159 1110 32.08      
17 A 1090 1044 14.05      
18 A 907 869 4.78      
19 A 782 749 150.76      
20 A 580 556 8.58      
21 A 575 551 222.27      
22 A 533 510 10.61      
23 A 530 507 0.08      
24 A 422 404 206.78      
25 A 287 275 4.44      
26 A 149 142 1.06      
27 A 122 117 3.21      

Unscaled Zero Point Vibrational Energy (zpe) 20477.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 19611.7 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 B3PW91/6-31G
ABC
0.32829 0.13651 0.09822

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.894 0.039 0.000
H2 2.016 0.667 0.894
H3 2.707 -0.690 -0.001
H4 2.016 0.669 -0.892
H5 0.622 -1.676 -0.001
N6 0.629 -0.670 -0.000
C7 -0.625 -0.101 0.000
H8 0.152 1.861 -0.001
H9 -1.572 1.700 0.000
N10 -0.662 1.273 -0.000
O11 -1.666 -0.798 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09901.09191.09912.13591.44982.52282.52093.84312.83843.6567
H21.09901.76621.78572.86992.12362.89212.38773.83892.88774.0619
H31.09191.76621.76602.30722.07803.38363.61054.90093.89924.3741
H41.09911.78571.76602.87062.12362.89162.38473.83752.88604.0619
H52.13592.86992.30722.87061.00682.00853.56864.02633.21672.4503
N61.44982.12362.07802.12361.00681.37682.57543.23412.33272.2984
C72.52282.89213.38362.89162.00851.37682.11082.03511.37491.2522
H82.52092.38773.61052.38473.56862.57542.11081.73111.00433.2207
H93.84313.83894.90093.83754.02633.23412.03511.73111.00482.4995
N102.83842.88773.89922.88603.21672.33271.37491.00431.00482.3010
O113.65674.06194.37414.06192.45032.29841.25223.22072.49952.3010

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 119.697 C1 N6 C7 126.363
H2 C1 H3 107.441 H2 C1 H4 108.656
H2 C1 N6 112.121 H3 C1 H4 107.423
H3 C1 N6 108.869 H4 C1 N6 112.117
H5 N6 C7 113.941 N6 C7 N10 115.926
N6 C7 O11 121.847 C7 N10 H8 124.298
C7 N10 H9 116.705 H8 N10 H9 118.997
N10 C7 O11 122.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.314      
2 H 0.177      
3 H 0.187      
4 H 0.177      
5 H 0.355      
6 N -0.672      
7 C 0.689      
8 H 0.339      
9 H 0.358      
10 N -0.794      
11 O -0.501      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.120 2.451 -0.000 4.794
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.618 -5.694 -0.002
y -5.694 -25.012 0.000
z -0.002 0.000 -31.895
Traceless
 xyz
x -3.165 -5.694 -0.002
y -5.694 6.745 0.000
z -0.002 0.000 -3.580
Polar
3z2-r2-7.160
x2-y2-6.606
xy-5.694
xz-0.002
yz0.000


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


<r2> (average value of r2) Å2
<r2> 120.438
(<r2>)1/2 10.974