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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-338.604283
Energy at 298.15K-338.610484
HF Energy-338.604283
Nuclear repulsion energy232.727108
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 TPSSh/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 3701 3551 0.00      
2 Ag 3560 3415 0.00      
3 Ag 1816 1742 0.00      
4 Ag 1607 1542 0.00      
5 Ag 1421 1363 0.00      
6 Ag 1103 1058 0.00      
7 Ag 769 737 0.00      
8 Ag 527 505 0.00      
9 Ag 387 372 0.00      
10 Au 692 664 0.49      
11 Au 469 450 191.15      
12 Au 330 317 367.21      
13 Au 95 91 0.59      
14 Bg 807 775 0.00      
15 Bg 677 650 0.00      
16 Bg 329 316 0.00      
17 Bu 3702 3551 143.96      
18 Bu 3560 3415 103.50      
19 Bu 1786 1713 553.71      
20 Bu 1612 1547 315.53      
21 Bu 1320 1266 129.08      
22 Bu 1094 1050 10.01      
23 Bu 561 538 21.20      
24 Bu 268 257 39.86      

Unscaled Zero Point Vibrational Energy (zpe) 16095.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 15442.0 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 TPSSh/6-31G*
ABC
0.18598 0.12455 0.07459

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.057 0.757 0.000
C2 0.057 -0.757 0.000
O3 -1.152 1.325 0.000
O4 1.152 -1.325 0.000
N5 1.152 1.356 0.000
N6 -1.152 -1.356 0.000
H7 1.198 2.364 0.000
H8 1.996 0.797 0.000
H9 -1.198 -2.364 0.000
H10 -1.996 -0.797 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.51791.23372.40701.34892.37962.03922.05343.32322.4854
C21.51792.40701.23372.37961.34893.32322.48542.03922.0534
O31.23372.40703.51112.30402.68062.56983.19213.68922.2838
O42.40701.23373.51112.68062.30403.68922.28382.56983.1921
N51.34892.37962.30402.68063.55811.00941.01244.40023.8140
N62.37961.34892.68062.30403.55814.40023.81401.00941.0124
H72.03923.32322.56983.68921.00944.40021.75845.30104.4944
H82.05342.48543.19212.28381.01243.81401.75844.49444.2992
H93.32322.03923.68922.56984.40021.00945.30104.49441.7584
H102.48542.05342.28383.19213.81401.01244.49444.29921.7584

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.696 C1 C2 N6 112.080
C1 N5 H7 118.999 C1 N5 H8 120.151
C2 C1 O3 121.696 C2 C1 N5 112.080
C2 N6 H9 118.999 C2 N6 H10 120.151
O3 C1 N5 126.225 O4 C2 N6 126.225
H7 N5 H8 120.850 H9 N6 H10 120.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.558      
2 C 0.558      
3 O -0.532      
4 O -0.532      
5 N -0.769      
6 N -0.769      
7 H 0.361      
8 H 0.382      
9 H 0.361      
10 H 0.382      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.665 0.524 0.000
y 0.524 6.377 0.000
z 0.000 0.000 2.596


<r2> (average value of r2) Å2
<r2> 144.517
(<r2>)1/2 12.022