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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-264.514885
Energy at 298.15K-264.522981
Nuclear repulsion energy183.143172
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 mPW1PW91/6-31G**
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 3764 3581 37.11      
2 A 3708 3528 43.28      
3 A 3636 3459 22.49      
4 A 3174 3020 13.73      
5 A 3099 2949 37.61      
6 A 3042 2894 48.57      
7 A 1854 1764 452.36      
8 A 1643 1563 164.94      
9 A 1540 1466 53.62      
10 A 1511 1438 71.00      
11 A 1503 1430 21.77      
12 A 1467 1396 32.22      
13 A 1425 1356 89.64      
14 A 1223 1164 5.72      
15 A 1163 1106 12.28      
16 A 1150 1095 16.61      
17 A 1093 1040 25.80      
18 A 910 866 4.58      
19 A 784 746 65.55      
20 A 606 576 41.61      
21 A 559 532 117.80      
22 A 534 509 46.88      
23 A 485 461 30.86      
24 A 386 367 140.72      
25 A 277 264 3.83      
26 A 150 142 4.28      
27 A 101 96 4.76      

Unscaled Zero Point Vibrational Energy (zpe) 20393.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 19403.9 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 mPW1PW91/6-31G**
ABC
0.32968 0.13980 0.10084

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.868 0.048 0.081
H2 -2.086 0.765 -0.720
H3 -2.686 -0.673 0.088
H4 -1.874 0.584 1.037
H5 -0.618 -1.655 -0.044
N6 -0.630 -0.655 -0.154
C7 0.623 -0.110 -0.019
H8 -0.067 1.799 -0.411
H9 1.587 1.637 -0.059
N10 0.656 1.269 0.047
O11 1.629 -0.797 0.061

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09671.09001.09612.11601.44332.49812.56023.80542.80413.5972
H21.09671.75471.77802.91042.11172.93242.29013.83282.89184.1051
H31.09001.75471.77172.29272.07033.35813.63604.85923.86524.3161
H41.09611.77801.77172.78572.12242.79892.61543.78032.80213.8898
H52.11602.91042.29272.78571.00591.98213.51753.96223.19082.4074
N61.44332.11172.07032.12241.00591.37302.53163.19002.32292.2729
C72.49812.93243.35812.79891.98211.37302.06791.99551.38081.2203
H82.56022.29013.63602.61543.51752.53162.06791.69851.00683.1367
H93.80543.83284.85923.78033.96223.19001.99551.69851.00662.4370
N102.80412.89183.86522.80213.19082.32291.38081.00681.00662.2833
O113.59724.10514.31613.88982.40742.27291.22033.13672.43702.2833

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 118.428 C1 N6 C7 124.981
H2 C1 H3 106.726 H2 C1 H4 108.360
H2 C1 N6 111.763 H3 C1 H4 108.271
H3 C1 N6 108.817 H4 C1 N6 112.677
H5 N6 C7 111.928 N6 C7 N10 115.025
N6 C7 O11 122.323 C7 N10 H8 119.183
C7 N10 H9 112.457 H8 N10 H9 115.049
N10 C7 O11 122.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.253      
2 H 0.137      
3 H 0.152      
4 H 0.155      
5 H 0.298      
6 N -0.571      
7 C 0.714      
8 H 0.280      
9 H 0.300      
10 N -0.672      
11 O -0.541      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.431 1.972 -0.622 4.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.712 5.232 -0.880
y 5.232 -25.719 -2.001
z -0.880 -2.001 -31.147
Traceless
 xyz
x -2.279 5.232 -0.880
y 5.232 5.211 -2.001
z -0.880 -2.001 -2.932
Polar
3z2-r2-5.865
x2-y2-4.993
xy5.232
xz-0.880
yz-2.001


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> 117.999
(<r2>)1/2 10.863