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

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-264.552349
Energy at 298.15K-264.560343
Nuclear repulsion energy182.988136
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/aug-cc-pVDZ
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 3743 3587 40.07      
2 A 3688 3534 46.37      
3 A 3615 3465 22.61      
4 A 3168 3036 13.10      
5 A 3090 2961 31.15      
6 A 3031 2904 50.11      
7 A 1795 1720 544.64      
8 A 1621 1554 173.53      
9 A 1510 1447 100.12      
10 A 1485 1423 53.93      
11 A 1470 1409 11.14      
12 A 1453 1393 4.60      
13 A 1407 1348 82.93      
14 A 1214 1164 6.40      
15 A 1148 1100 15.83      
16 A 1140 1093 12.09      
17 A 1080 1035 24.79      
18 A 906 868 5.10      
19 A 775 742 31.24      
20 A 590 566 19.82      
21 A 549 526 61.28      
22 A 513 491 62.98      
23 A 451 432 16.74      
24 A 361 346 159.69      
25 A 277 265 3.64      
26 A 146 140 2.58      
27 A 84 81 5.17      

Unscaled Zero Point Vibrational Energy (zpe) 20154.6 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 19314.1 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/aug-cc-pVDZ
ABC
0.33065 0.13943 0.10042

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.872 0.048 0.058
H2 -2.059 0.748 -0.771
H3 -2.692 -0.676 0.054
H4 -1.912 0.605 1.005
H5 -0.619 -1.666 -0.030
N6 -0.627 -0.662 -0.111
C7 0.622 -0.110 -0.014
H8 -0.098 1.807 -0.345
H9 1.580 1.650 -0.083
N10 0.657 1.269 0.050
O11 1.636 -0.793 0.042

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10071.09381.10002.12521.44352.50092.53083.80892.80843.6080
H21.10071.76331.78842.90642.11512.91502.26893.81182.88434.0848
H31.09381.76331.77662.29912.07183.36333.61324.86663.87274.3300
H41.10001.78841.77662.81082.12162.82332.56063.80382.81963.9332
H52.12522.90642.29912.81081.00691.99023.52593.97923.20052.4191
N61.44352.11512.07182.12161.00691.36942.53633.19682.32402.2721
C72.50092.91503.36332.82331.99021.36942.07492.00521.38031.2236
H82.53082.26893.61322.56063.52592.53632.07491.70601.00813.1494
H93.80893.81184.86663.80383.97923.19682.00521.70601.00792.4469
N102.80842.88433.87272.81963.20052.32401.38031.00811.00792.2821
O113.60804.08484.33003.93322.41912.27211.22363.14942.44692.2821

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 119.220 C1 N6 C7 125.495
H2 C1 H3 106.941 H2 C1 H4 108.712
H2 C1 N6 111.772 H3 C1 H4 108.160
H3 C1 N6 108.699 H4 C1 N6 112.352
H5 N6 C7 112.875 N6 C7 N10 115.383
N6 C7 O11 122.288 C7 N10 H8 119.806
C7 N10 H9 113.277 H8 N10 H9 115.609
N10 C7 O11 122.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.761      
2 H -0.101      
3 H -0.314      
4 H -0.083      
5 H -0.143      
6 N -0.138      
7 C 0.743      
8 H -0.050      
9 H -0.034      
10 N -0.068      
11 O -0.574      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.793 2.076 -0.574 4.362
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.059 5.537 -0.666
y 5.537 -26.670 -1.723
z -0.666 -1.723 -32.035
Traceless
 xyz
x -2.706 5.537 -0.666
y 5.537 5.377 -1.723
z -0.666 -1.723 -2.670
Polar
3z2-r2-5.341
x2-y2-5.389
xy5.537
xz-0.666
yz-1.723


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.556 -0.188 0.061
y -0.188 7.402 0.019
z 0.061 0.019 5.309


<r2> (average value of r2) Å2
<r2> 118.943
(<r2>)1/2 10.906