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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-336.638580
Energy at 298.15K-336.645588
HF Energy-336.638580
Nuclear repulsion energy233.080753
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 wB97X-D/3-21G*
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 3721 3527 0.00      
2 Ag 3572 3386 0.00      
3 Ag 1832 1736 0.00      
4 Ag 1645 1559 0.00      
5 Ag 1430 1355 0.00      
6 Ag 1140 1081 0.00      
7 Ag 762 723 0.00      
8 Ag 558 529 0.00      
9 Ag 417 395 0.00      
10 Au 758 719 602.97      
11 Au 692 656 119.92      
12 Au 446 423 50.26      
13 Au 148 140 14.64      
14 Bg 885 839 0.00      
15 Bg 747 708 0.00      
16 Bg 630 597 0.00      
17 Bu 3721 3527 169.01      
18 Bu 3573 3386 138.61      
19 Bu 1807 1713 386.45      
20 Bu 1657 1570 434.78      
21 Bu 1360 1289 158.23      
22 Bu 1136 1077 10.87      
23 Bu 595 564 15.63      
24 Bu 290 275 47.06      

Unscaled Zero Point Vibrational Energy (zpe) 16761.7 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 15886.7 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 wB97X-D/3-21G*
ABC
0.18389 0.12684 0.07506

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.059 0.752 0.000
C2 0.059 -0.752 0.000
O3 -1.160 1.323 0.000
O4 1.160 -1.323 0.000
N5 1.160 1.322 0.000
N6 -1.160 -1.322 0.000
H7 1.233 2.328 0.000
H8 1.986 0.737 0.000
H9 -1.233 -2.328 0.000
H10 -1.986 -0.737 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.50911.23992.40621.34502.34822.03722.04433.29632.4354
C21.50912.40621.23992.34821.34503.29632.43542.03722.0443
O31.23992.40623.51802.31952.64432.59513.19933.65112.2191
O42.40621.23993.51802.64432.31953.65112.21912.59513.1993
N51.34502.34822.31952.64433.51691.00871.01174.36393.7593
N62.34821.34502.64432.31953.51694.36393.75931.00871.0117
H72.03723.29632.59513.65111.00874.36391.75985.26824.4443
H82.04432.43543.19932.21911.01173.75931.75984.44434.2359
H93.29632.03723.65112.59514.36391.00875.26824.44431.7598
H102.43542.04432.21913.19933.75931.01174.44434.23591.7598

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.845 C1 C2 N6 110.587
C1 N5 H7 119.197 C1 N5 H8 119.654
C2 C1 O3 121.845 C2 C1 N5 110.587
C2 N6 H9 119.197 C2 N6 H10 119.654
O3 C1 N5 127.568 O4 C2 N6 127.568
H7 N5 H8 121.149 H9 N6 H10 121.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.628      
2 C 0.628      
3 O -0.535      
4 O -0.535      
5 N -0.806      
6 N -0.806      
7 H 0.349      
8 H 0.365      
9 H 0.349      
10 H 0.365      


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 -31.428 11.849 0.000
y 11.849 -30.372 0.000
z 0.000 0.000 -34.603
Traceless
 xyz
x 1.060 11.849 0.000
y 11.849 2.643 0.000
z 0.000 0.000 -3.703
Polar
3z2-r2-7.405
x2-y2-1.056
xy11.849
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.813 0.385 0.000
y 0.385 5.249 0.000
z 0.000 0.000 1.676


<r2> (average value of r2) Å2
<r2> 143.684
(<r2>)1/2 11.987