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

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-259.687886
Energy at 298.15K-259.695384
Nuclear repulsion energy178.168118
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/STO-3G
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 3774 3380 2.19      
2 A 3705 3318 11.25      
3 A 3566 3193 4.24      
4 A 3446 3085 1.54      
5 A 3375 3023 2.22      
6 A 3243 2904 10.24      
7 A 1915 1715 114.46      
8 A 1707 1529 28.74      
9 A 1644 1472 15.98      
10 A 1606 1438 7.66      
11 A 1541 1380 7.03      
12 A 1470 1316 14.57      
13 A 1385 1240 146.84      
14 A 1245 1115 4.64      
15 A 1178 1055 4.49      
16 A 1164 1042 5.35      
17 A 1085 972 23.02      
18 A 893 800 3.93      
19 A 674 603 51.97      
20 A 604 541 39.75      
21 A 572 513 197.11      
22 A 489 438 9.70      
23 A 434 388 74.71      
24 A 371 332 65.93      
25 A 261 234 4.97      
26 A 141 126 8.89      
27 A 86 77 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 20786.6 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 18614.4 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/STO-3G
ABC
0.30720 0.13481 0.09711

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.868 0.006 0.122
H2 -2.143 0.737 -0.665
H3 -2.693 -0.720 0.209
H4 -1.768 0.560 1.078
H5 -0.632 -1.730 0.007
N6 -0.632 -0.713 -0.241
C7 0.661 -0.111 -0.027
H8 -0.188 1.728 -0.577
H9 1.471 1.782 -0.126
N10 0.542 1.331 0.065
O11 1.728 -0.756 0.093

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10851.10281.10942.13401.47532.53562.50473.78922.75063.6755
H21.10851.78611.79172.96972.13692.99772.19323.79962.84504.2171
H31.10281.78611.80242.30362.10943.41653.58954.86883.83324.4222
H41.10941.79171.80242.77112.15662.75152.56933.66492.63793.8631
H52.13402.96972.30362.77111.04622.07163.53444.09513.27872.5540
N61.47532.13692.10942.15661.04621.44192.50373.26492.37732.3834
C72.53562.99773.41652.75152.07161.44192.09882.06161.45021.2524
H82.50472.19323.58952.56933.53442.50372.09881.71951.05013.2075
H93.78923.79964.86883.66494.09513.26492.06161.71951.04952.5606
N102.75062.84503.83322.63793.27872.37731.45021.05011.04952.4006
O113.67554.21714.42223.86312.55402.38341.25243.20752.56062.4006

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 114.553 C1 N6 C7 120.724
H2 C1 H3 107.751 H2 C1 H4 107.776
H2 C1 N6 110.790 H3 C1 H4 109.128
H3 C1 N6 108.950 H4 C1 N6 112.329
H5 N6 C7 111.748 N6 C7 N10 110.568
N6 C7 O11 124.259 C7 N10 H8 113.182
C7 N10 H9 110.091 H8 N10 H9 109.964
N10 C7 O11 125.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.203      
2 H 0.097      
3 H 0.109      
4 H 0.107      
5 H 0.209      
6 N -0.305      
7 C 0.209      
8 H 0.195      
9 H 0.201      
10 N -0.389      
11 O -0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.218 1.087 -0.599 2.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.846 3.591 -1.221
y 3.591 -24.126 -2.838
z -1.221 -2.838 -28.356
Traceless
 xyz
x -1.604 3.591 -1.221
y 3.591 3.975 -2.838
z -1.221 -2.838 -2.370
Polar
3z2-r2-4.741
x2-y2-3.719
xy3.591
xz-1.221
yz-2.838


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.635 -0.031 0.275
y -0.031 3.895 -0.130
z 0.275 -0.130 1.414


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