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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-338.327805
Energy at 298.15K-338.334061
Nuclear repulsion energy232.050276
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 PBEPBE/6-311G*
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 3641 3603 0.00      
2 Ag 3496 3460 0.00      
3 Ag 1759 1741 0.00      
4 Ag 1559 1542 0.00      
5 Ag 1365 1351 0.00      
6 Ag 1077 1066 0.00      
7 Ag 744 736 0.00      
8 Ag 513 508 0.00      
9 Ag 387 383 0.00      
10 Au 685 678 0.05      
11 Au 474 469 226.48      
12 Au 347 343 277.46      
13 Au 99 98 2.88      
14 Bg 803 794 0.00      
15 Bg 671 664 0.00      
16 Bg 364 360 0.00      
17 Bu 3641 3603 112.74      
18 Bu 3495 3459 77.58      
19 Bu 1732 1714 539.62      
20 Bu 1568 1552 327.15      
21 Bu 1281 1268 101.43      
22 Bu 1071 1060 9.07      
23 Bu 554 549 18.14      
24 Bu 270 268 37.86      

Unscaled Zero Point Vibrational Energy (zpe) 15797.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 15633.4 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 PBEPBE/6-311G*
ABC
0.18539 0.12339 0.07408

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.774 0.000
C2 0.064 -0.774 0.000
O3 -1.154 1.344 0.000
O4 1.154 -1.344 0.000
N5 1.154 1.361 0.000
N6 -1.154 -1.361 0.000
H7 1.242 2.370 0.000
H8 1.975 0.759 0.000
H9 -1.242 -2.370 0.000
H10 -1.975 -0.759 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.55381.23062.44391.35202.39722.06222.03853.35792.4501
C21.55382.44391.23062.39721.35203.35792.45012.06222.0385
O31.23062.44393.54402.30902.70482.60703.18323.71552.2579
O42.44391.23063.54402.70482.30903.71552.25792.60703.1832
N51.35202.39722.30902.70483.56861.01341.01694.43423.7795
N62.39721.35202.70482.30903.56864.43423.77951.01341.0169
H72.06223.35792.60703.71551.01344.43421.76955.35194.4879
H82.03852.45013.18322.25791.01693.77951.76954.48794.2311
H93.35792.06223.71552.60704.43421.01345.35194.48791.7695
H102.45012.03852.25793.18323.77951.01694.48794.23111.7695

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 122.312 C1 C2 N6 110.983
C1 N5 H7 120.665 C1 N5 H8 118.060
C2 C1 O3 122.312 C2 C1 N5 110.983
C2 N6 H9 120.665 C2 N6 H10 118.060
O3 C1 N5 126.706 O4 C2 N6 126.706
H7 N5 H8 121.275 H9 N6 H10 121.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.367      
2 C 0.367      
3 O -0.342      
4 O -0.342      
5 N -0.751      
6 N -0.751      
7 H 0.353      
8 H 0.372      
9 H 0.353      
10 H 0.372      


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 -31.599 11.793 0.000
y 11.793 -30.761 0.000
z 0.000 0.000 -35.432
Traceless
 xyz
x 1.497 11.793 0.000
y 11.793 2.755 0.000
z 0.000 0.000 -4.252
Polar
3z2-r2-8.504
x2-y2-0.838
xy11.793
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.064 0.689 0.000
y 0.689 6.895 0.000
z 0.000 0.000 3.082


<r2> (average value of r2) Å2
<r2> 145.686
(<r2>)1/2 12.070