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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B1B95/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-338.546131
Energy at 298.15K-338.552561
Nuclear repulsion energy 
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/aug-cc-pVDZ
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 3759 3600 0.00      
2 Ag 3603 3451 0.00      
3 Ag 1824 1747 0.00      
4 Ag 1592 1525 0.00      
5 Ag 1429 1369 0.00      
6 Ag 1094 1048 0.00      
7 Ag 780 747 0.00      
8 Ag 531 509 0.00      
9 Ag 387 371 0.00      
10 Au 682 653 2.49      
11 Au 488 468 189.92      
12 Au 383 366 219.23      
13 Au 102 98 9.03      
14 Bg 838 803 0.00      
15 Bg 666 638 0.00      
16 Bg 406 389 0.00      
17 Bu 3759 3601 185.75      
18 Bu 3604 3452 125.70      
19 Bu 1800 1724 734.92      
20 Bu 1579 1513 302.58      
21 Bu 1322 1266 107.30      
22 Bu 1084 1038 10.56      
23 Bu 567 543 27.20      
24 Bu 265 254 40.91      

Unscaled Zero Point Vibrational Energy (zpe) 16271.6 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 15586.6 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 B1B95/aug-cc-pVDZ
ABC
0.18905 0.12535 0.07538

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.059 0.766 0.000
C2 0.059 -0.766 0.000
O3 -1.144 1.324 0.000
O4 1.144 -1.324 0.000
N5 1.144 1.358 0.000
N6 -1.144 -1.358 0.000
H7 1.217 2.361 0.000
H8 1.963 0.768 0.000
H9 -1.217 -2.361 0.000
H10 -1.963 -0.768 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.53741.22042.41201.34022.38582.04222.02133.33532.4457
C21.53742.41201.22042.38581.34023.33532.44572.04222.0213
O31.22042.41203.50012.28812.68272.57883.15603.68622.2473
O42.41201.22043.50012.68272.28813.68622.24732.57883.1560
N51.34022.38582.28812.68273.55151.00551.00914.40553.7647
N62.38581.34022.68272.28813.55154.40553.76471.00551.0091
H72.04223.33532.57883.68621.00554.40551.75845.31284.4616
H82.02132.44573.15602.24731.00913.76471.75844.46164.2154
H93.33532.04223.68622.57884.40551.00555.31284.46161.7584
H102.44572.02132.24733.15603.76471.00914.46164.21541.7584

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.580 C1 C2 N6 111.830
C1 N5 H7 120.388 C1 N5 H8 118.029
C2 C1 O3 121.580 C2 C1 N5 111.830
C2 N6 H9 120.388 C2 N6 H10 118.029
O3 C1 N5 126.590 O4 C2 N6 126.590
H7 N5 H8 121.583 H9 N6 H10 121.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.679      
2 C 0.679      
3 O -0.601      
4 O -0.601      
5 N 0.025      
6 N 0.025      
7 H -0.067      
8 H -0.036      
9 H -0.067      
10 H -0.036      


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 8.989 0.409 0.000
y 0.409 7.835 0.000
z 0.000 0.000 4.764


<r2> (average value of r2) Å2
<r2> 143.991
(<r2>)1/2 12.000