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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B1B95/CEP-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 B1B95/CEP-31G*
 hartrees
Energy at 0K-65.438911
Energy at 298.15K-65.445103
Nuclear repulsion energy125.220524
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/CEP-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 3765 3604 0.00      
2 Ag 3619 3465 0.00      
3 Ag 1840 1761 0.00      
4 Ag 1599 1530 0.00      
5 Ag 1425 1364 0.00      
6 Ag 1079 1033 0.00      
7 Ag 769 736 0.00      
8 Ag 519 497 0.00      
9 Ag 399 382 0.00      
10 Au 672 643 0.03      
11 Au 463 443 153.49      
12 Au 334 320 403.90      
13 Au 90 86 1.79      
14 Bg 817 782 0.00      
15 Bg 656 628 0.00      
16 Bg 333 319 0.00      
17 Bu 3766 3605 185.01      
18 Bu 3620 3465 147.09      
19 Bu 1813 1735 738.06      
20 Bu 1587 1519 325.43      
21 Bu 1307 1251 126.30      
22 Bu 1065 1020 19.21      
23 Bu 553 529 19.78      
24 Bu 286 273 39.88      

Unscaled Zero Point Vibrational Energy (zpe) 16186.7 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 15493.9 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/CEP-31G*
ABC
0.18434 0.12211 0.07345

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.062 0.778 0.000
C2 0.062 -0.778 0.000
O3 -1.158 1.344 0.000
O4 1.158 -1.344 0.000
N5 1.158 1.374 0.000
N6 -1.158 -1.374 0.000
H7 1.229 2.385 0.000
H8 1.986 0.785 0.000
H9 -1.229 -2.385 0.000
H10 -1.986 -0.785 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.56081.23392.44801.35832.41512.06112.04863.37112.4794
C21.56082.44801.23392.41511.35833.37112.47942.06112.0486
O31.23392.44803.54892.31712.71812.60423.19423.72962.2848
O42.44801.23393.54892.71812.31713.72962.28482.60423.1942
N51.35832.41512.31712.71813.59431.01321.01604.45283.8149
N62.41511.35832.71812.31713.59434.45283.81491.01321.0160
H72.06113.37112.60423.72961.01324.45281.76985.36554.5153
H82.04862.47943.19422.28481.01603.81491.76984.51534.2722
H93.37112.06113.72962.60424.45281.01325.36554.51531.7698
H102.47942.04862.28483.19423.81491.01604.51534.27221.7698

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.873 C1 C2 N6 111.469
C1 N5 H7 120.013 C1 N5 H8 118.563
C2 C1 O3 121.873 C2 C1 N5 111.469
C2 N6 H9 120.013 C2 N6 H10 118.563
O3 C1 N5 126.658 O4 C2 N6 126.658
H7 N5 H8 121.424 H9 N6 H10 121.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.241      
2 C -0.241      
3 O -0.137      
4 O -0.137      
5 N -0.342      
6 N -0.342      
7 H 0.345      
8 H 0.375      
9 H 0.345      
10 H 0.375      


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 -31.096 12.656 0.000
y 12.656 -30.466 0.000
z 0.000 0.000 -35.230
Traceless
 xyz
x 1.752 12.656 0.000
y 12.656 2.697 0.000
z 0.000 0.000 -4.449
Polar
3z2-r2-8.897
x2-y2-0.630
xy12.656
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.807 0.362 0.000
y 0.362 6.398 0.000
z 0.000 0.000 3.312


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000