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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-338.742306
Energy at 298.15K-338.748582
HF Energy-338.742306
Nuclear repulsion energy233.466217
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 TPSSh/cc-pVTZ
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 3703 3586 0.00      
2 Ag 3555 3442 0.00      
3 Ag 1781 1725 0.00      
4 Ag 1582 1532 0.00      
5 Ag 1403 1358 0.00      
6 Ag 1095 1060 0.00      
7 Ag 761 737 0.00      
8 Ag 522 505 0.00      
9 Ag 385 373 0.00      
10 Au 685 663 0.43      
11 Au 471 456 143.20      
12 Au 339 329 255.96      
13 Au 95 92 4.70      
14 Bg 823 797 0.00      
15 Bg 669 647 0.00      
16 Bg 352 341 0.00      
17 Bu 3704 3586 153.21      
18 Bu 3555 3443 99.64      
19 Bu 1755 1700 616.37      
20 Bu 1587 1536 294.56      
21 Bu 1304 1263 128.85      
22 Bu 1083 1048 5.80      
23 Bu 563 545 23.50      
24 Bu 264 255 39.94      

Unscaled Zero Point Vibrational Energy (zpe) 16016.8 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 15509.1 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 TPSSh/cc-pVTZ
ABC
0.18801 0.12465 0.07495

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.055 0.756 0.000
C2 0.055 -0.756 0.000
O3 -1.145 1.322 0.000
O4 1.145 -1.322 0.000
N5 1.145 1.360 0.000
N6 -1.145 -1.360 0.000
H7 1.187 2.364 0.000
H8 1.987 0.805 0.000
H9 -1.187 -2.364 0.000
H10 -1.987 -0.805 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.51701.22822.40081.34392.38072.03142.04273.31922.4839
C21.51702.40081.22822.38071.34393.31922.48392.03142.0427
O31.22822.40083.49902.29122.68242.55423.17463.68662.2880
O42.40081.22823.49902.68242.29123.68662.28802.55423.1746
N51.34392.38072.29122.68243.55611.00481.00774.39393.8078
N62.38071.34392.68242.29123.55614.39393.80781.00481.0077
H72.03143.31922.55423.68661.00484.39391.75195.29024.4850
H82.04272.48393.17462.28801.00773.80781.75194.48504.2876
H93.31922.03143.68662.55424.39391.00485.29024.48501.7519
H102.48392.04272.28803.17463.80781.00774.48504.28761.7519

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.622 C1 C2 N6 112.498
C1 N5 H7 119.041 C1 N5 H8 119.923
C2 C1 O3 121.622 C2 C1 N5 112.498
C2 N6 H9 119.041 C2 N6 H10 119.923
O3 C1 N5 125.881 O4 C2 N6 125.881
H7 N5 H8 121.036 H9 N6 H10 121.036
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.206      
2 C 0.206      
3 O -0.351      
4 O -0.351      
5 N -0.190      
6 N -0.190      
7 H 0.160      
8 H 0.175      
9 H 0.160      
10 H 0.175      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.316 0.528 0.000
y 0.528 7.253 0.000
z 0.000 0.000 3.793


<r2> (average value of r2) Å2
<r2> 144.282
(<r2>)1/2 12.012