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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B3LYP/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-65.517806
Energy at 298.15K-65.523822
Nuclear repulsion energy125.178094
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/CEP-121G*
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 3707 3594 0.00      
2 Ag 3565 3456 0.00      
3 Ag 1771 1717 0.00      
4 Ag 1596 1547 0.00      
5 Ag 1396 1353 0.00      
6 Ag 1089 1056 0.00      
7 Ag 752 729 0.00      
8 Ag 519 503 0.00      
9 Ag 390 378 0.00      
10 Au 666 646 0.11      
11 Au 450 436 110.86      
12 Au 291 282 422.41      
13 Au 73 71 0.00      
14 Bg 800 775 0.00      
15 Bg 650 630 0.00      
16 Bg 276 268 0.00      
17 Bu 3708 3594 127.26      
18 Bu 3565 3456 104.91      
19 Bu 1738 1685 681.96      
20 Bu 1599 1550 297.50      
21 Bu 1286 1247 161.19      
22 Bu 1077 1045 4.33      
23 Bu 563 546 24.08      
24 Bu 269 261 37.91      

Unscaled Zero Point Vibrational Energy (zpe) 15897.6 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 15411.1 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/CEP-121G*
ABC
0.18502 0.12137 0.07329

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.782 0.000
C2 0.000 -0.782 0.000
O3 1.047 1.433 0.000
O4 -1.047 -1.433 0.000
N5 -1.262 1.285 0.000
N6 1.262 -1.285 0.000
H7 -1.406 2.287 0.000
H8 -2.043 0.640 0.000
H9 1.406 -2.287 0.000
H10 2.043 -0.640 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.56411.23252.44971.35822.42192.05952.04823.37562.4896
C21.56412.44971.23252.42191.35823.37562.48962.05952.0482
O31.23252.44973.54882.31302.72652.59753.19003.73672.3002
O42.44971.23253.54882.72652.31303.73672.30022.59753.1900
N51.35822.42192.31302.72653.60201.01181.01344.45833.8250
N62.42191.35822.72652.31303.60204.45833.82501.01181.0134
H72.05953.37562.59753.73671.01184.45831.76525.36904.5241
H82.04822.48963.19002.30021.01343.82501.76524.52414.2826
H93.37562.05953.73672.59754.45831.01185.36904.52411.7652
H102.48962.04822.30023.19003.82501.01344.52414.28261.7652

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.866 C1 C2 N6 111.748
C1 N5 H7 119.974 C1 N5 H8 118.729
C2 C1 O3 121.866 C2 C1 N5 111.748
C2 N6 H9 119.974 C2 N6 H10 118.729
O3 C1 N5 126.386 O4 C2 N6 126.386
H7 N5 H8 121.297 H9 N6 H10 121.297
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.116      
2 C 0.116      
3 O -0.323      
4 O -0.323      
5 N -0.529      
6 N -0.529      
7 H 0.356      
8 H 0.380      
9 H 0.356      
10 H 0.380      


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 -24.266 10.166 -0.004
y 10.166 -38.480 -0.006
z -0.004 -0.006 -35.611
Traceless
 xyz
x 12.780 10.166 -0.004
y 10.166 -8.542 -0.006
z -0.004 -0.006 -4.238
Polar
3z2-r2-8.476
x2-y214.214
xy10.166
xz-0.004
yz-0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.146 0.732 -0.001
y 0.732 7.732 -0.007
z -0.001 -0.007 3.529


<r2> (average value of r2) Å2
<r2> 119.175
(<r2>)1/2 10.917