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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B3PW91/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 B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-338.537410
Energy at 298.15K-338.543818
Nuclear repulsion energy233.206515
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 B3PW91/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 3733 3600 0.00      
2 Ag 3580 3453 0.00      
3 Ag 1800 1736 0.00      
4 Ag 1585 1529 0.00      
5 Ag 1418 1368 0.00      
6 Ag 1094 1055 0.00      
7 Ag 772 745 0.00      
8 Ag 529 510 0.00      
9 Ag 391 378 0.00      
10 Au 678 654 1.81      
11 Au 484 467 179.47      
12 Au 377 364 227.05      
13 Au 99 96 8.60      
14 Bg 833 803 0.00      
15 Bg 662 639 0.00      
16 Bg 399 385 0.00      
17 Bu 3733 3601 174.05      
18 Bu 3581 3454 113.99      
19 Bu 1774 1711 699.56      
20 Bu 1579 1523 295.28      
21 Bu 1313 1266 112.12      
22 Bu 1083 1045 8.54      
23 Bu 570 550 26.04      
24 Bu 268 259 41.04      

Unscaled Zero Point Vibrational Energy (zpe) 16166.9 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 15594.6 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 B3PW91/aug-cc-pVDZ
ABC
0.18817 0.12409 0.07478

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.059 0.769 0.000
C2 0.059 -0.769 0.000
O3 -1.147 1.331 0.000
O4 1.147 -1.331 0.000
N5 1.147 1.365 0.000
N6 -1.147 -1.365 0.000
H7 1.216 2.371 0.000
H8 1.971 0.779 0.000
H9 -1.216 -2.371 0.000
H10 -1.971 -0.779 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.54281.22452.42171.34472.39582.04742.02953.34682.4601
C21.54282.42171.22452.39581.34473.34682.46012.04742.0295
O31.22452.42173.51402.29342.69682.58143.16583.70312.2654
O42.42171.22453.51402.69682.29343.70312.26542.58143.1658
N51.34472.39582.29342.69683.56601.00811.01164.42103.7836
N62.39581.34472.69682.29343.56604.42103.78361.00811.0116
H72.04743.34682.58143.70311.00814.42101.76205.32974.4809
H82.02952.46013.16582.26541.01163.78361.76204.48094.2380
H93.34682.04743.70312.58144.42101.00815.32974.48091.7620
H102.46012.02952.26543.16583.78361.01164.48094.23801.7620

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.697 C1 C2 N6 111.955
C1 N5 H7 120.283 C1 N5 H8 118.235
C2 C1 O3 121.697 C2 C1 N5 111.955
C2 N6 H9 120.283 C2 N6 H10 118.235
O3 C1 N5 126.347 O4 C2 N6 126.347
H7 N5 H8 121.482 H9 N6 H10 121.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.687      
2 C 0.687      
3 O -0.608      
4 O -0.608      
5 N -0.023      
6 N -0.023      
7 H -0.043      
8 H -0.013      
9 H -0.043      
10 H -0.013      


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 -32.630 12.191 0.000
y 12.191 -31.417 0.000
z 0.000 0.000 -35.680
Traceless
 xyz
x 0.918 12.191 0.000
y 12.191 2.738 0.000
z 0.000 0.000 -3.656
Polar
3z2-r2-7.312
x2-y2-1.214
xy12.191
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.087 0.430 0.000
y 0.430 7.958 0.000
z 0.000 0.000 4.812


<r2> (average value of r2) Å2
<r2> 144.986
(<r2>)1/2 12.041