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

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-263.058801
Energy at 298.15K-263.067217
Nuclear repulsion energy184.145243
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 HF/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3936 3584 45.45      
2 A 3868 3522 48.03      
3 A 3812 3472 37.84      
4 A 3275 2982 27.47      
5 A 3224 2936 43.51      
6 A 3168 2885 51.66      
7 A 1913 1742 668.75      
8 A 1763 1606 167.81      
9 A 1624 1479 52.62      
10 A 1599 1456 38.52      
11 A 1593 1451 28.47      
12 A 1584 1443 23.59      
13 A 1516 1380 176.65      
14 A 1299 1182 2.09      
15 A 1236 1126 17.49      
16 A 1225 1116 36.23      
17 A 1167 1063 29.32      
18 A 952 867 5.93      
19 A 866 789 66.05      
20 A 648 590 40.34      
21 A 596 542 58.19      
22 A 561 511 86.03      
23 A 518 472 40.75      
24 A 405 369 153.23      
25 A 307 279 3.17      
26 A 181 165 2.06      
27 A 108 99 6.38      

Unscaled Zero Point Vibrational Energy (zpe) 21471.6 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 19552.0 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 HF/aug-cc-pVDZ
ABC
0.33277 0.14083 0.10177

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.868 0.066 0.088
H2 -2.038 0.850 -0.651
H3 -2.690 -0.640 -0.002
H4 -1.899 0.509 1.084
H5 -0.635 -1.631 -0.042
N6 -0.633 -0.644 -0.170
C7 0.617 -0.115 -0.020
H8 -0.024 1.799 -0.389
H9 1.616 1.607 -0.057
N10 0.689 1.254 0.041
O11 1.598 -0.809 0.069

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09051.08651.09132.10181.44812.49462.57553.81242.82033.5747
H21.09051.75061.77412.91462.10652.89512.24193.77852.84244.0607
H31.08651.75061.76752.28172.06393.34843.63374.85663.87354.2912
H41.09131.77411.76752.72892.12312.81842.71183.85552.88883.8726
H52.10182.91462.28172.72890.99571.96643.50163.94333.17552.3816
N61.44812.10652.06392.12310.99571.36542.52723.18312.32222.2491
C72.49462.89513.34842.81841.96641.36542.05271.99081.37251.2043
H82.57552.24193.63372.71183.50162.52722.05271.68430.99533.1055
H93.81243.77854.85663.85553.94333.18311.99081.68430.99642.4192
N102.82032.84243.87352.88883.17552.32221.37250.99530.99642.2546
O113.57474.06074.29123.87262.38162.24911.20433.10552.41922.2546

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 117.448 C1 N6 C7 124.888
H2 C1 H3 107.057 H2 C1 H4 108.812
H2 C1 N6 111.380 H3 C1 H4 108.506
H3 C1 N6 108.191 H4 C1 N6 112.699
H5 N6 C7 111.827 N6 C7 N10 116.023
N6 C7 O11 122.024 C7 N10 H8 119.351
C7 N10 H9 113.408 H8 N10 H9 115.493
N10 C7 O11 121.948
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.826      
2 H -0.113      
3 H -0.235      
4 H -0.071      
5 H -0.124      
6 N -0.391      
7 C 1.052      
8 H -0.032      
9 H -0.027      
10 N -0.174      
11 O -0.711      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.765 2.299 -0.538 4.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.137 5.770 -0.927
y 5.770 -27.053 -1.937
z -0.927 -1.937 -32.062
Traceless
 xyz
x -2.579 5.770 -0.927
y 5.770 5.046 -1.937
z -0.927 -1.937 -2.466
Polar
3z2-r2-4.933
x2-y2-5.084
xy5.770
xz-0.927
yz-1.937


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> 117.962
(<r2>)1/2 10.861