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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: HF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-336.761412
Energy at 298.15K-336.767888
Nuclear repulsion energy235.747623
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/cc-pVDZ
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 3964 3599 0.00      
2 Ag 3813 3463 0.00      
3 Ag 1999 1815 0.00      
4 Ag 1754 1593 0.00      
5 Ag 1559 1415 0.00      
6 Ag 1208 1097 0.00      
7 Ag 845 767 0.00      
8 Ag 581 527 0.00      
9 Ag 442 401 0.00      
10 Au 713 647 17.89      
11 Au 511 464 114.96      
12 Au 310 282 426.79      
13 Au 79 72 0.18      
14 Bg 935 849 0.00      
15 Bg 679 617 0.00      
16 Bg 294 267 0.00      
17 Bu 3965 3600 226.37      
18 Bu 3814 3463 171.24      
19 Bu 1953 1773 940.67      
20 Bu 1727 1569 344.54      
21 Bu 1418 1287 237.03      
22 Bu 1190 1081 1.24      
23 Bu 634 575 40.93      
24 Bu 306 278 37.58      

Unscaled Zero Point Vibrational Energy (zpe) 17346.0 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 15750.2 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/cc-pVDZ
ABC
0.19437 0.12523 0.07616

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

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 1.026 1.388 0.000
O4 -1.026 -1.388 0.000
N5 -1.231 1.284 0.000
N6 1.231 -1.284 0.000
H7 -1.349 2.274 0.000
H8 -2.017 0.670 0.000
H9 1.349 -2.274 0.000
H10 2.017 -0.670 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.53841.19812.38881.33452.39422.02142.01983.32932.4784
C21.53842.38881.19812.39421.33453.32932.47842.02142.0198
O31.19812.38883.45212.25932.68032.53513.12673.67682.2848
O42.38881.19813.45212.68032.25933.67682.28482.53513.1267
N51.33452.39422.25932.68033.55800.99720.99764.39583.7912
N62.39421.33452.68032.25933.55804.39583.79120.99720.9976
H72.02143.32932.53513.67680.99724.39581.73765.28914.4729
H82.01982.47843.12672.28480.99763.79121.73764.47294.2517
H93.32932.02143.67682.53514.39580.99725.28914.47291.7376
H102.47842.01982.28483.12673.79120.99764.47294.25171.7376

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.101 C1 C2 N6 112.705
C1 N5 H7 119.515 C1 N5 H8 119.315
C2 C1 O3 121.101 C2 C1 N5 112.705
C2 N6 H9 119.515 C2 N6 H10 119.315
O3 C1 N5 126.193 O4 C2 N6 126.193
H7 N5 H8 121.170 H9 N6 H10 121.170
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.284 0.712    
2 C 0.284 0.712    
3 O -0.385 -0.604    
4 O -0.385 -0.604    
5 N -0.176 -0.935    
6 N -0.176 -0.935    
7 H 0.131 0.433    
8 H 0.147 0.395    
9 H 0.131 0.433    
10 H 0.147 0.395    


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 -30.623 -11.864 0.000
y -11.864 -33.056 0.000
z 0.000 0.000 -34.675
Traceless
 xyz
x 3.243 -11.864 0.000
y -11.864 -0.407 0.000
z 0.000 0.000 -2.836
Polar
3z2-r2-5.672
x2-y22.433
xy-11.864
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.757 -0.144 0.000
y -0.144 5.460 0.000
z 0.000 0.000 2.698


<r2> (average value of r2) Å2
<r2> 142.578
(<r2>)1/2 11.941