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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-336.868503
Energy at 298.15K-336.875143
HF Energy-336.868503
Nuclear repulsion energy236.145620
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/daug-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 3953 3576 0.00      
2 Ag 3815 3451 0.00      
3 Ag 1961 1774 0.00      
4 Ag 1763 1595 0.00      
5 Ag 1551 1403 0.00      
6 Ag 1210 1095 0.00      
7 Ag 836 756 0.00      
8 Ag 575 520 0.00      
9 Ag 436 394 0.00      
10 Au 706 639 14.93      
11 Au 526 476 172.12      
12 Au 379 343 326.86      
13 Au 85 77 7.36      
14 Bg 938 849 0.00      
15 Bg 672 608 0.00      
16 Bg 390 352 0.00      
17 Bu 3954 3577 206.21      
18 Bu 3815 3451 158.91      
19 Bu 1919 1736 989.30      
20 Bu 1749 1582 308.75      
21 Bu 1406 1271 276.92      
22 Bu 1189 1076 1.37      
23 Bu 637 576 43.26      
24 Bu 300 272 39.25      

Unscaled Zero Point Vibrational Energy (zpe) 17381.9 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 15723.7 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/daug-cc-pVTZ
ABC
0.19589 0.12485 0.07625

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

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 -1.125 1.304 0.000
O4 1.125 -1.304 0.000
N5 1.125 1.379 0.000
N6 -1.125 -1.379 0.000
H7 1.164 2.369 0.000
H8 1.954 0.837 0.000
H9 -1.164 -2.369 0.000
H10 -1.954 -0.837 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.54231.19372.38721.33132.39872.01322.01353.32712.4850
C21.54232.38721.19372.39871.33133.32712.48502.01322.0135
O31.19372.38723.44512.25122.68392.52413.11443.67372.2967
O42.38721.19373.44512.68392.25123.67372.29672.52413.1144
N51.33132.39872.25122.68393.55990.99040.99074.39193.7941
N62.39871.33132.68392.25123.55994.39193.79410.99040.9907
H72.01323.32712.52413.67370.99044.39191.72375.27894.4723
H82.01352.48503.11442.29670.99073.79411.72374.47234.2520
H93.32712.01323.67372.52414.39190.99045.27894.47231.7237
H102.48502.01352.29673.11443.79410.99074.47234.25201.7237

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 120.977 C1 C2 N6 112.971
C1 N5 H7 119.534 C1 N5 H8 119.532
C2 C1 O3 120.977 C2 C1 N5 112.971
C2 N6 H9 119.534 C2 N6 H10 119.532
O3 C1 N5 126.053 O4 C2 N6 126.053
H7 N5 H8 120.933 H9 N6 H10 120.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.422      
2 C 1.422      
3 O -1.033      
4 O -1.033      
5 N -0.747      
6 N -0.747      
7 H -0.036      
8 H 0.394      
9 H -0.036      
10 H 0.394      


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 -33.190 12.124 0.000
y 12.124 -31.596 0.000
z 0.000 0.000 -35.498
Traceless
 xyz
x 0.357 12.124 0.000
y 12.124 2.748 0.000
z 0.000 0.000 -3.105
Polar
3z2-r2-6.210
x2-y2-1.594
xy12.124
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.954 0.218 0.000
y 0.218 6.873 0.000
z 0.000 0.000 4.499


<r2> (average value of r2) Å2
<r2> 142.818
(<r2>)1/2 11.951