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

using model chemistry: B3LYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-264.682102
Energy at 298.15K-264.690102
Nuclear repulsion energy182.846234
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 B3LYP/6-311+G(3df,2p)
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 3702 3580 39.07      
2 A 3648 3527 43.95      
3 A 3587 3468 23.09      
4 A 3115 3012 13.86      
5 A 3041 2941 32.37      
6 A 3000 2901 48.69      
7 A 1764 1706 541.74      
8 A 1625 1571 130.61      
9 A 1525 1475 37.21      
10 A 1495 1446 10.68      
11 A 1488 1439 47.92      
12 A 1450 1402 17.52      
13 A 1401 1355 185.12      
14 A 1203 1163 2.01      
15 A 1155 1117 3.08      
16 A 1131 1094 33.43      
17 A 1073 1037 33.21      
18 A 885 856 5.47      
19 A 773 747 32.01      
20 A 585 566 20.42      
21 A 550 531 44.45      
22 A 510 493 74.82      
23 A 452 437 14.65      
24 A 365 353 164.35      
25 A 279 270 4.06      
26 A 150 145 1.61      
27 A 90 87 4.24      

Unscaled Zero Point Vibrational Energy (zpe) 20020.6 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 19359.9 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 B3LYP/6-311+G(3df,2p)
ABC
0.33050 0.13865 0.09993

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.883 0.054 0.055
H2 -2.056 0.760 -0.762
H3 -2.697 -0.666 0.031
H4 -1.936 0.596 1.003
H5 -0.629 -1.660 -0.029
N6 -0.630 -0.657 -0.106
C7 0.625 -0.113 -0.013
H8 -0.082 1.819 -0.321
H9 1.596 1.647 -0.082
N10 0.673 1.267 0.047
O11 1.631 -0.801 0.040

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09361.08751.09332.12471.44912.51442.54953.82872.82943.6156
H21.09361.75361.77592.90312.11462.91752.28253.81892.89114.0827
H31.08751.75361.76572.29522.07173.36883.62504.87833.88584.3300
H41.09331.77591.76572.80372.12232.84472.58543.84122.85853.9491
H52.12472.90312.29522.80371.00551.99183.53403.98623.20452.4185
N61.44912.11462.07172.12231.00551.37172.54563.20422.32932.2700
C72.51442.91753.36882.84471.99181.37172.08082.01111.38201.2192
H82.54952.28253.62502.58543.53402.54562.08081.70421.00583.1513
H93.82873.81894.87833.84123.98623.20422.01111.70421.00622.4511
N102.82942.89113.88582.85853.20452.32931.38201.00581.00622.2787
O113.61564.08274.33003.94912.41852.27001.21923.15132.45112.2787

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 118.788 C1 N6 C7 126.077
H2 C1 H3 107.023 H2 C1 H4 108.603
H2 C1 N6 111.771 H3 C1 H4 108.129
H3 C1 N6 108.678 H4 C1 N6 112.432
H5 N6 C7 112.930 N6 C7 N10 115.529
N6 C7 O11 122.254 C7 N10 H8 120.430
C7 N10 H9 113.791 H8 N10 H9 115.778
N10 C7 O11 122.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.105      
2 H 0.140      
3 H 0.142      
4 H 0.153      
5 H 0.203      
6 N -0.788      
7 C 1.371      
8 H 0.199      
9 H 0.207      
10 N -0.724      
11 O -0.797      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.782 2.123 -0.544 4.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.570 -0.181 0.047
y -0.181 7.368 0.032
z 0.047 0.032 5.283


<r2> (average value of r2) Å2
<r2> 119.558
(<r2>)1/2 10.934