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

using model chemistry: LSDA/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 LSDA/6-31+G**
 hartrees
Energy at 0K-263.225886
Energy at 298.15K-263.233683
Nuclear repulsion energy183.224372
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 LSDA/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 3650 3596 61.69      
2 A 3587 3533 62.25      
3 A 3513 3460 23.34      
4 A 3086 3040 5.50      
5 A 2988 2943 25.08      
6 A 2930 2886 50.94      
7 A 1779 1753 544.11      
8 A 1556 1533 286.06      
9 A 1474 1452 124.36      
10 A 1447 1425 7.61      
11 A 1420 1399 14.40      
12 A 1396 1375 5.20      
13 A 1358 1338 21.18      
14 A 1191 1173 9.95      
15 A 1107 1090 3.74      
16 A 1101 1084 16.33      
17 A 1036 1020 12.74      
18 A 899 885 5.56      
19 A 742 730 24.83      
20 A 571 563 9.27      
21 A 528 520 54.23      
22 A 500 493 43.70      
23 A 398 392 10.55      
24 A 331 326 211.84      
25 A 279 275 8.36      
26 A 139 137 3.65      
27 A 85 83 4.97      

Unscaled Zero Point Vibrational Energy (zpe) 19545.1 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 19251.9 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 LSDA/6-31+G**
ABC
0.33298 0.14056 0.10095

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.856 0.032 0.031
H2 -2.050 0.659 -0.863
H3 -2.687 -0.687 0.099
H4 -1.900 0.678 0.930
H5 -0.593 -1.695 -0.037
N6 -0.617 -0.677 -0.056
C7 0.621 -0.104 -0.008
H8 -0.183 1.811 -0.263
H9 1.541 1.688 -0.073
N10 0.622 1.268 0.044
O11 1.656 -0.769 0.019

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10981.10011.10782.14031.43042.48162.46023.78152.76963.6024
H21.10981.77281.79972.88912.11932.90692.27453.81872.88684.0684
H31.10011.77281.78072.32772.07553.36063.55504.85263.84344.3442
H41.10781.79971.78072.87642.11102.80202.37813.72472.73803.9461
H52.14032.88912.32772.87641.01782.00123.53714.00033.20312.4327
N61.43042.11932.07552.11101.01781.36542.53463.20252.30852.2761
C72.48162.90693.36062.80202.00121.36542.09322.01611.37311.2300
H82.46022.27453.55502.37813.53712.53462.09321.73931.01863.1811
H93.78153.81874.85263.72474.00033.20252.01611.73931.01762.4617
N102.76962.88683.84342.73803.20312.30851.37311.01861.01762.2843
O113.60244.06844.34423.94612.43272.27611.23003.18112.46172.2843

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 120.984 C1 N6 C7 125.137
H2 C1 H3 106.683 H2 C1 H4 108.495
H2 C1 N6 112.472 H3 C1 H4 107.511
H3 C1 N6 109.512 H4 C1 N6 111.918
H5 N6 C7 113.417 N6 C7 N10 114.915
N6 C7 O11 122.475 C7 N10 H8 121.423
C7 N10 H9 114.156 H8 N10 H9 117.336
N10 C7 O11 122.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.494      
2 H 0.185      
3 H 0.195      
4 H 0.202      
5 H 0.339      
6 N -0.384      
7 C 0.456      
8 H 0.296      
9 H 0.336      
10 N -0.601      
11 O -0.531      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.042 2.103 -0.556 4.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.494 5.587 -0.446
y 5.587 -26.369 -1.398
z -0.446 -1.398 -32.842
Traceless
 xyz
x -2.888 5.587 -0.446
y 5.587 6.299 -1.398
z -0.446 -1.398 -3.411
Polar
3z2-r2-6.822
x2-y2-6.125
xy5.587
xz-0.446
yz-1.398


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.489 -0.255 0.055
y -0.255 7.244 0.012
z 0.055 0.012 5.095


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