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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-338.761802
Energy at 298.15K-338.768183
HF Energy-338.761802
Nuclear repulsion energy233.548793
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 B3LYP/Def2TZVPP
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 3714 3575 0.00      
2 Ag 3576 3442 0.00      
3 Ag 1786 1719 0.00      
4 Ag 1591 1532 0.00      
5 Ag 1409 1356 0.00      
6 Ag 1106 1064 0.00      
7 Ag 765 736 0.00      
8 Ag 528 508 0.00      
9 Ag 399 384 0.00      
10 Au 679 654 1.69      
11 Au 488 469 187.55      
12 Au 366 353 227.99      
13 Au 93 90 7.87      
14 Bg 835 804 0.00      
15 Bg 660 635 0.00      
16 Bg 389 374 0.00      
17 Bu 3714 3576 169.45      
18 Bu 3576 3442 114.84      
19 Bu 1762 1696 667.68      
20 Bu 1592 1533 301.93      
21 Bu 1310 1261 145.23      
22 Bu 1093 1052 4.13      
23 Bu 581 560 25.96      
24 Bu 275 265 39.26      

Unscaled Zero Point Vibrational Energy (zpe) 16142.9 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 15539.1 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 B3LYP/Def2TZVPP
ABC
0.18959 0.12370 0.07486

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.054 0.758 0.000
C2 0.054 -0.758 0.000
O3 -1.142 1.319 0.000
O4 1.142 -1.319 0.000
N5 1.142 1.367 0.000
N6 -1.142 -1.367 0.000
H7 1.176 2.370 0.000
H8 1.986 0.820 0.000
H9 -1.176 -2.370 0.000
H10 -1.986 -0.820 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.51981.22392.39671.34202.38722.02812.04113.32342.4943
C21.51982.39671.22392.38721.34203.32342.49432.02812.0411
O31.22392.39673.48912.28412.68602.54543.16753.68932.2992
O42.39671.22393.48912.68602.28413.68932.29922.54543.1675
N51.34202.38722.28412.68603.56231.00371.00624.39783.8164
N62.38721.34202.68602.28413.56234.39783.81641.00371.0062
H72.02813.32342.54543.68931.00374.39781.74925.29214.4918
H82.04112.49433.16752.29921.00623.81641.74924.49184.2971
H93.32342.02813.68932.54544.39781.00375.29214.49181.7492
H102.49432.04112.29923.16753.81641.00624.49184.29711.7492

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.363 C1 C2 N6 112.909
C1 N5 H7 118.964 C1 N5 H8 120.052
C2 C1 O3 121.363 C2 C1 N5 112.909
C2 N6 H9 118.964 C2 N6 H10 120.052
O3 C1 N5 125.728 O4 C2 N6 125.728
H7 N5 H8 120.984 H9 N6 H10 120.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.228      
2 C 0.228      
3 O -0.360      
4 O -0.360      
5 N -0.241      
6 N -0.241      
7 H 0.181      
8 H 0.191      
9 H 0.181      
10 H 0.191      


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 -32.635 12.092 0.000
y 12.092 -31.542 0.000
z 0.000 0.000 -35.536
Traceless
 xyz
x 0.904 12.092 0.000
y 12.092 2.544 0.000
z 0.000 0.000 -3.448
Polar
3z2-r2-6.896
x2-y2-1.093
xy12.092
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.441 0.440 0.000
y 0.440 7.316 0.000
z 0.000 0.000 4.121


<r2> (average value of r2) Å2
<r2> 144.861
(<r2>)1/2 12.036