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

using model chemistry: PBEPBE/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-264.281418
Energy at 298.15K-264.289357
Nuclear repulsion energy181.784674
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(2df,p)
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 3611 3574 24.37      
2 A 3578 3541 31.61      
3 A 3489 3453 9.88      
4 A 3069 3037 11.92      
5 A 2984 2953 34.40      
6 A 2935 2904 49.77      
7 A 1768 1750 354.62      
8 A 1569 1553 111.72      
9 A 1472 1457 36.38      
10 A 1442 1427 48.92      
11 A 1433 1418 26.38      
12 A 1390 1376 17.36      
13 A 1358 1344 100.94      
14 A 1172 1160 4.08      
15 A 1118 1106 8.88      
16 A 1108 1096 17.13      
17 A 1042 1031 28.82      
18 A 868 859 4.36      
19 A 746 739 39.67      
20 A 579 573 35.93      
21 A 556 550 137.93      
22 A 518 512 13.02      
23 A 468 463 31.59      
24 A 375 371 84.08      
25 A 264 262 3.82      
26 A 139 137 4.86      
27 A 92 91 3.17      

Unscaled Zero Point Vibrational Energy (zpe) 19570.6 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 19369.0 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 PBEPBE/6-31G(2df,p)
ABC
0.32457 0.13795 0.09945

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.878 0.042 0.078
H2 -2.106 0.752 -0.740
H3 -2.702 -0.685 0.104
H4 -1.880 0.604 1.031
H5 -0.620 -1.670 -0.028
N6 -0.632 -0.663 -0.153
C7 0.631 -0.112 -0.019
H8 -0.080 1.798 -0.432
H9 1.583 1.652 -0.094
N10 0.648 1.283 0.058
O11 1.647 -0.797 0.058

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10701.09951.10612.12731.45092.51572.56443.82062.81453.6231
H21.10701.77041.79172.92952.12682.95942.30103.85162.91624.1374
H31.09951.77041.78772.30692.08643.38433.65104.88463.88594.3502
H41.10611.79171.78772.80702.13692.81452.60933.78902.79303.9175
H52.12732.92952.30692.80701.01411.99833.53253.98603.21492.4304
N61.45092.12682.08642.13691.01411.38452.53773.20422.33912.2918
C72.51572.95943.38432.81451.99831.38452.07872.00501.39701.2274
H82.56442.30103.65102.60933.53252.53772.07871.70281.01703.1544
H93.82063.85164.88463.78903.98603.20422.00501.70281.01612.4537
N102.81452.91623.88592.79303.21492.33911.39701.01701.01612.3070
O113.62314.13744.35023.91752.43042.29181.22743.15442.45372.3070

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 118.231 C1 N6 C7 125.046
H2 C1 H3 106.712 H2 C1 H4 108.109
H2 C1 N6 111.799 H3 C1 H4 108.298
H3 C1 N6 109.005 H4 C1 N6 112.689
H5 N6 C7 111.914 N6 C7 N10 114.483
N6 C7 O11 122.560 C7 N10 H8 118.025
C7 N10 H9 111.404 H8 N10 H9 113.758
N10 C7 O11 122.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.368      
2 H 0.133      
3 H 0.147      
4 H 0.147      
5 H 0.253      
6 N -0.306      
7 C 0.400      
8 H 0.248      
9 H 0.261      
10 N -0.546      
11 O -0.369      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.193 1.727 -0.628 3.683
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.847 4.962 -0.802
y 4.962 -26.035 -1.968
z -0.802 -1.968 -31.007
Traceless
 xyz
x -2.326 4.962 -0.802
y 4.962 4.892 -1.968
z -0.802 -1.968 -2.566
Polar
3z2-r2-5.133
x2-y2-4.812
xy4.962
xz-0.802
yz-1.968


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.690 -0.033 0.111
y -0.033 6.522 -0.100
z 0.111 -0.100 4.045


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