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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-264.529115
Energy at 298.15K-264.537127
Nuclear repulsion energy182.987315
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 mPW1PW91/6-31+G**
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 3770 3589 47.95      
2 A 3711 3532 53.46      
3 A 3641 3465 28.19      
4 A 3175 3022 12.47      
5 A 3100 2951 31.63      
6 A 3041 2895 50.69      
7 A 1812 1725 590.38      
8 A 1642 1563 176.45      
9 A 1535 1461 70.79      
10 A 1506 1433 72.53      
11 A 1498 1426 27.87      
12 A 1468 1398 22.93      
13 A 1423 1354 104.13      
14 A 1220 1161 6.10      
15 A 1159 1103 8.46      
16 A 1148 1093 21.35      
17 A 1089 1037 25.79      
18 A 909 865 5.02      
19 A 774 736 39.06      
20 A 592 563 20.78      
21 A 550 523 60.06      
22 A 517 492 88.08      
23 A 457 435 22.21      
24 A 369 351 175.25      
25 A 279 266 3.75      
26 A 150 143 2.44      
27 A 89 85 5.97      

Unscaled Zero Point Vibrational Energy (zpe) 20310.8 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 19331.8 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 mPW1PW91/6-31+G**
ABC
0.33097 0.13914 0.10027

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.876 0.050 0.057
H2 -2.076 0.727 -0.782
H3 -2.689 -0.676 0.081
H4 -1.907 0.625 0.989
H5 -0.621 -1.662 -0.039
N6 -0.629 -0.658 -0.108
C7 0.622 -0.110 -0.014
H8 -0.087 1.815 -0.340
H9 1.588 1.646 -0.072
N10 0.663 1.267 0.047
O11 1.634 -0.797 0.041

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09671.09001.09592.12451.44372.50442.54473.81692.81623.6110
H21.09671.75721.78242.89402.11382.92792.31053.84462.91304.0948
H31.09001.75721.76942.29392.06903.36073.62684.86963.87504.3251
H41.09591.78241.76942.81792.11742.81792.54793.79252.81143.9316
H52.12452.89402.29392.81791.00621.98913.53103.97843.19962.4170
N61.44372.11382.06902.11741.00621.36912.54283.19802.32392.2721
C72.50442.92793.36072.81791.98911.36912.07742.00501.37891.2244
H82.54472.31053.62682.54793.53102.54282.07741.70531.00653.1515
H93.81693.84464.86963.79253.97843.19802.00501.70531.00672.4460
N102.81622.91303.87502.81143.19962.32391.37891.00651.00672.2809
O113.61104.09484.32513.93162.41702.27211.22443.15152.44602.2809

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 119.192 C1 N6 C7 125.816
H2 C1 H3 106.949 H2 C1 H4 108.759
H2 C1 N6 111.903 H3 C1 H4 108.084
H3 C1 N6 108.690 H4 C1 N6 112.250
H5 N6 C7 112.840 N6 C7 N10 115.484
N6 C7 O11 122.240 C7 N10 H8 120.323
C7 N10 H9 113.460 H8 N10 H9 115.775
N10 C7 O11 122.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.412      
2 H 0.163      
3 H 0.175      
4 H 0.185      
5 H 0.340      
6 N -0.439      
7 C 0.550      
8 H 0.296      
9 H 0.333      
10 N -0.626      
11 O -0.565      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.920 2.173 -0.604 4.523
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.931 5.643 -0.714
y 5.643 -26.505 -1.809
z -0.714 -1.809 -32.300
Traceless
 xyz
x -2.528 5.643 -0.714
y 5.643 5.610 -1.809
z -0.714 -1.809 -3.082
Polar
3z2-r2-6.164
x2-y2-5.425
xy5.643
xz-0.714
yz-1.809


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> 119.071
(<r2>)1/2 10.912