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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-338.752961
Energy at 298.15K-338.759354
HF Energy-338.752961
Nuclear repulsion energy233.474321
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/aug-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 3706 3586 0.00      
2 Ag 3569 3453 0.00      
3 Ag 1778 1720 0.00      
4 Ag 1591 1540 0.00      
5 Ag 1407 1362 0.00      
6 Ag 1104 1068 0.00      
7 Ag 763 739 0.00      
8 Ag 527 510 0.00      
9 Ag 398 385 0.00      
10 Au 675 653 1.92      
11 Au 485 469 178.16      
12 Au 368 356 229.59      
13 Au 94 91 8.31      
14 Bg 835 808 0.00      
15 Bg 657 636 0.00      
16 Bg 388 376 0.00      
17 Bu 3707 3586 171.21      
18 Bu 3569 3453 112.37      
19 Bu 1755 1698 700.10      
20 Bu 1593 1541 290.20      
21 Bu 1308 1265 151.03      
22 Bu 1091 1056 3.28      
23 Bu 580 562 27.12      
24 Bu 274 265 39.23      

Unscaled Zero Point Vibrational Energy (zpe) 16111.4 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 15587.8 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/aug-cc-pVTZ
ABC
0.18950 0.12361 0.07481

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.054 0.758 0.000
C2 0.054 -0.758 0.000
O3 -1.142 1.319 0.000
O4 1.142 -1.319 0.000
N5 1.142 1.368 0.000
N6 -1.142 -1.368 0.000
H7 1.176 2.371 0.000
H8 1.987 0.822 0.000
H9 -1.176 -2.371 0.000
H10 -1.987 -0.822 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.52001.22472.39711.34242.38872.02842.04173.32452.4968
C21.52002.39711.22472.38871.34243.32452.49682.02842.0417
O31.22472.39713.49012.28492.68752.54573.16863.69082.3017
O42.39711.22473.49012.68752.28493.69082.30172.54573.1686
N51.34242.38872.28492.68753.56441.00371.00624.39963.8194
N62.38871.34242.68752.28493.56444.39963.81941.00371.0062
H72.02843.32452.54573.69081.00374.39961.74905.29374.4945
H82.04172.49683.16862.30171.00623.81941.74904.49454.3006
H93.32452.02843.69082.54574.39961.00375.29374.49451.7490
H102.49682.04172.30173.16863.81941.00624.49454.30061.7490

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.323 C1 C2 N6 112.979
C1 N5 H7 118.960 C1 N5 H8 120.083
C2 C1 O3 121.323 C2 C1 N5 112.979
C2 N6 H9 118.960 C2 N6 H10 120.083
O3 C1 N5 125.698 O4 C2 N6 125.698
H7 N5 H8 120.957 H9 N6 H10 120.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability