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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-338.588432
Energy at 298.15K-338.594823
Nuclear repulsion energy234.428931
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 B1B95/6-311G**
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 3750 3601 0.00      
2 Ag 3602 3458 0.00      
3 Ag 1841 1767 0.00      
4 Ag 1593 1530 0.00      
5 Ag 1421 1364 0.00      
6 Ag 1104 1060 0.00      
7 Ag 775 744 0.00      
8 Ag 533 512 0.00      
9 Ag 392 377 0.00      
10 Au 687 660 1.05      
11 Au 490 471 221.74      
12 Au 362 347 253.03      
13 Au 98 94 4.65      
14 Bg 836 803 0.00      
15 Bg 670 643 0.00      
16 Bg 382 367 0.00      
17 Bu 3751 3601 176.20      
18 Bu 3602 3459 125.05      
19 Bu 1815 1743 658.20      
20 Bu 1586 1522 341.65      
21 Bu 1323 1270 115.46      
22 Bu 1096 1052 10.28      
23 Bu 571 549 23.99      
24 Bu 271 260 38.84      

Unscaled Zero Point Vibrational Energy (zpe) 16274.9 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 15625.5 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 B1B95/6-311G**
ABC
0.18934 0.12584 0.07560

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.062 0.768 0.000
C2 0.062 -0.768 0.000
O3 -1.143 1.323 0.000
O4 1.143 -1.323 0.000
N5 1.143 1.354 0.000
N6 -1.143 -1.354 0.000
H7 1.222 2.355 0.000
H8 1.956 0.759 0.000
H9 -1.222 -2.355 0.000
H10 -1.956 -0.759 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.54131.21552.41331.33922.38142.04062.01753.33142.4332
C21.54132.41331.21552.38141.33923.33142.43322.04062.0175
O31.21552.41333.49682.28612.67672.58013.14993.67852.2349
O42.41331.21553.49682.67672.28613.67852.23492.58013.1499
N51.33922.38142.28612.67673.54311.00411.00744.39813.7503
N62.38141.33922.67672.28613.54314.39813.75031.00411.0074
H72.04063.33142.58013.67851.00414.39811.75655.30554.4488
H82.01752.43323.14992.23491.00743.75031.75654.44884.1959
H93.33142.04063.67852.58014.39811.00415.30554.44881.7565
H102.43322.01752.23493.14993.75031.00744.44884.19591.7565

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.743 C1 C2 N6 111.343
C1 N5 H7 120.441 C1 N5 H8 117.888
C2 C1 O3 121.743 C2 C1 N5 111.343
C2 N6 H9 120.441 C2 N6 H10 117.888
O3 C1 N5 126.914 O4 C2 N6 126.914
H7 N5 H8 121.671 H9 N6 H10 121.671
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.321      
2 C 0.321      
3 O -0.375      
4 O -0.375      
5 N -0.454      
6 N -0.454      
7 H 0.245      
8 H 0.263      
9 H 0.245      
10 H 0.263      


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 -31.779 11.725 0.000
y 11.725 -30.746 0.000
z 0.000 0.000 -34.904
Traceless
 xyz
x 1.045 11.725 0.000
y 11.725 2.596 0.000
z 0.000 0.000 -3.642
Polar
3z2-r2-7.284
x2-y2-1.034
xy11.725
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.688 0.516 0.000
y 0.516 6.407 0.000
z 0.000 0.000 3.099


<r2> (average value of r2) Å2
<r2> 143.136
(<r2>)1/2 11.964