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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: HF/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-336.741902
Energy at 298.15K-336.748589
Nuclear repulsion energy235.804873
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3987 3599 0.00      
2 Ag 3842 3468 0.00      
3 Ag 2007 1811 0.00      
4 Ag 1776 1603 0.00      
5 Ag 1570 1417 0.00      
6 Ag 1218 1099 0.00      
7 Ag 845 763 0.00      
8 Ag 582 525 0.00      
9 Ag 441 398 0.00      
10 Au 710 641 19.90      
11 Au 533 482 316.48      
12 Au 391 353 353.53      
13 Au 86 78 4.98      
14 Bg 909 821 0.00      
15 Bg 681 614 0.00      
16 Bg 405 366 0.00      
17 Bu 3988 3599 220.29      
18 Bu 3842 3468 175.79      
19 Bu 1963 1772 901.04      
20 Bu 1757 1586 365.25      
21 Bu 1425 1286 254.08      
22 Bu 1201 1084 2.39      
23 Bu 634 572 42.27      
24 Bu 307 277 39.54      

Unscaled Zero Point Vibrational Energy (zpe) 17550.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 15840.7 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/6-31G**
ABC
0.19429 0.12530 0.07618

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.769 0.000
C2 0.000 -0.769 0.000
O3 1.029 1.386 0.000
O4 -1.029 -1.386 0.000
N5 -1.229 1.286 0.000
N6 1.229 -1.286 0.000
H7 -1.342 2.273 0.000
H8 -2.015 0.680 0.000
H9 1.342 -2.273 0.000
H10 2.015 -0.680 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.53891.19982.38841.33282.39492.01492.01713.32482.4821
C21.53892.38841.19982.39491.33283.32482.48212.01492.0171
O31.19982.38843.45252.26012.67952.53173.12543.67162.2886
O42.38841.19983.45252.67952.26013.67162.28862.53173.1254
N51.33282.39492.26012.67953.55750.99270.99344.39003.7929
N62.39491.33282.67952.26013.55754.39003.79290.99270.9934
H72.01493.32482.53173.67160.99274.39001.72935.27824.4704
H82.01712.48213.12542.28860.99343.79291.72934.47044.2533
H93.32482.01493.67162.53174.39000.99275.27824.47041.7293
H102.48212.01712.28863.12543.79290.99344.47044.25331.7293

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 120.908 C1 C2 N6 112.818
C1 N5 H7 119.374 C1 N5 H8 119.542
C2 C1 O3 120.908 C2 C1 N5 112.818
C2 N6 H9 119.374 C2 N6 H10 119.542
O3 C1 N5 126.275 O4 C2 N6 126.275
H7 N5 H8 121.084 H9 N6 H10 121.084
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.678 0.756    
2 C 0.678 0.756    
3 O -0.611 -0.617    
4 O -0.611 -0.617    
5 N -0.744 -1.026    
6 N -0.744 -1.026    
7 H 0.327 0.466    
8 H 0.350 0.421    
9 H 0.327 0.466    
10 H 0.350 0.421    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.712 -11.977 0.000
y -11.977 -32.927 0.000
z 0.000 0.000 -34.873
Traceless
 xyz
x 3.188 -11.977 0.000
y -11.977 -0.134 0.000
z 0.000 0.000 -3.053
Polar
3z2-r2-6.106
x2-y22.215
xy-11.977
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.813 -0.098 0.000
y -0.098 5.403 0.000
z 0.000 0.000 2.546


<r2> (average value of r2) Å2
<r2> 142.563
(<r2>)1/2 11.940