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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-336.861850
Energy at 298.15K-336.868524
Nuclear repulsion energy236.248266
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 HF/6-311+G(3df,2p)
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 3961 3599 0.00      
2 Ag 3823 3473 0.00      
3 Ag 1967 1787 0.00      
4 Ag 1763 1602 0.00      
5 Ag 1552 1410 0.00      
6 Ag 1210 1099 0.00      
7 Ag 837 761 0.00      
8 Ag 577 524 0.00      
9 Ag 437 397 0.00      
10 Au 709 644 16.00      
11 Au 527 479 176.71      
12 Au 382 347 324.80      
13 Au 85 77 7.30      
14 Bg 939 853 0.00      
15 Bg 674 612 0.00      
16 Bg 393 357 0.00      
17 Bu 3962 3600 206.90      
18 Bu 3823 3474 160.21      
19 Bu 1925 1749 988.52      
20 Bu 1749 1589 315.07      
21 Bu 1405 1276 275.44      
22 Bu 1189 1080 1.40      
23 Bu 639 580 43.65      
24 Bu 301 274 39.35      

Unscaled Zero Point Vibrational Energy (zpe) 17414.3 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 15822.6 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 HF/6-311+G(3df,2p)
ABC
0.19610 0.12495 0.07632

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.058 0.769 0.000
C2 0.058 -0.769 0.000
O3 -1.124 1.303 0.000
O4 1.124 -1.303 0.000
N5 1.124 1.379 0.000
N6 -1.124 -1.379 0.000
H7 1.163 2.370 0.000
H8 1.954 0.838 0.000
H9 -1.163 -2.370 0.000
H10 -1.954 -0.838 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.54231.19222.38571.33102.39832.01362.01403.32732.4851
C21.54232.38571.19222.39831.33103.32732.48512.01362.0140
O31.19222.38573.44202.25002.68242.52413.11383.67272.2958
O42.38571.19223.44202.68242.25003.67272.29582.52413.1138
N51.33102.39832.25002.68243.55930.99080.99134.39193.7939
N62.39831.33102.68242.25003.55934.39193.79390.99080.9913
H72.01363.32732.52413.67270.99084.39191.72425.27944.4728
H82.01402.48513.11382.29580.99133.79391.72424.47284.2526
H93.32732.01363.67272.52414.39190.99085.27944.47281.7242
H102.48512.01402.29583.11383.79390.99134.47284.25261.7242

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 120.955 C1 C2 N6 112.958
C1 N5 H7 119.558 C1 N5 H8 119.558
C2 C1 O3 120.955 C2 C1 N5 112.958
C2 N6 H9 119.558 C2 N6 H10 119.558
O3 C1 N5 126.087 O4 C2 N6 126.087
H7 N5 H8 120.885 H9 N6 H10 120.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.434      
2 C 1.434      
3 O -0.987      
4 O -0.987      
5 N -0.834      
6 N -0.834      
7 H 0.163      
8 H 0.223      
9 H 0.163      
10 H 0.223      


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 -33.195 12.193 0.000
y 12.193 -31.577 0.000
z 0.000 0.000 -35.536
Traceless
 xyz
x 0.362 12.193 0.000
y 12.193 2.788 0.000
z 0.000 0.000 -3.150
Polar
3z2-r2-6.300
x2-y2-1.618
xy12.193
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.827 0.200 0.000
y 0.200 6.733 0.000
z 0.000 0.000 4.384


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