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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B1B95/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/cc-pVDZ
 hartrees
Energy at 0K-338.520262
Energy at 298.15K-338.526568
Nuclear repulsion energy234.048443
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/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 3743 3598 0.00      
2 Ag 3579 3440 0.00      
3 Ag 1854 1782 0.00      
4 Ag 1578 1517 0.00      
5 Ag 1412 1357 0.00      
6 Ag 1100 1057 0.00      
7 Ag 780 749 0.00      
8 Ag 534 514 0.00      
9 Ag 393 378 0.00      
10 Au 693 666 1.22      
11 Au 481 463 128.06      
12 Au 328 315 290.17      
13 Au 102 98 1.96      
14 Bg 839 807 0.00      
15 Bg 676 650 0.00      
16 Bg 332 319 0.00      
17 Bu 3744 3599 188.94      
18 Bu 3580 3441 122.85      
19 Bu 1826 1755 619.87      
20 Bu 1558 1498 340.72      
21 Bu 1320 1269 77.54      
22 Bu 1092 1050 13.10      
23 Bu 570 548 21.56      
24 Bu 272 261 38.90      

Unscaled Zero Point Vibrational Energy (zpe) 16192.9 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 15564.7 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 B1B95/cc-pVDZ
ABC
0.18824 0.12591 0.07545

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.062 0.767 0.000
C2 0.062 -0.767 0.000
O3 -1.146 1.327 0.000
O4 1.146 -1.327 0.000
N5 1.146 1.349 0.000
N6 -1.146 -1.349 0.000
H7 1.233 2.355 0.000
H8 1.954 0.739 0.000
H9 -1.233 -2.355 0.000
H10 -1.954 -0.739 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.53931.22062.41801.34092.37832.04852.01613.33432.4185
C21.53932.41801.22062.37831.34093.33432.41852.04852.0161
O31.22062.41803.50762.29242.67692.59163.15573.68302.2186
O42.41801.22063.50762.67692.29243.68302.21862.59163.1557
N51.34092.37832.29242.67693.54101.00891.01284.40233.7380
N62.37831.34092.67692.29243.54104.40233.73801.00891.0128
H72.04853.33432.59163.68301.00894.40231.76935.31584.4415
H82.01612.41853.15572.21861.01283.73801.76934.44154.1782
H93.33432.04853.68302.59164.40231.00895.31584.44151.7693
H102.41852.01612.21863.15573.73801.01284.44154.17821.7693

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.925 C1 C2 N6 111.133
C1 N5 H7 120.683 C1 N5 H8 117.181
C2 C1 O3 121.925 C2 C1 N5 111.133
C2 N6 H9 120.683 C2 N6 H10 117.181
O3 C1 N5 126.941 O4 C2 N6 126.941
H7 N5 H8 122.136 H9 N6 H10 122.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.101      
2 C 0.101      
3 O -0.275      
4 O -0.275      
5 N -0.065      
6 N -0.065      
7 H 0.113      
8 H 0.125      
9 H 0.113      
10 H 0.125      


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 -31.233 11.513 0.000
y 11.513 -30.431 0.000
z 0.000 0.000 -34.429
Traceless
 xyz
x 1.197 11.513 0.000
y 11.513 2.400 0.000
z 0.000 0.000 -3.597
Polar
3z2-r2-7.194
x2-y2-0.802
xy11.513
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.490 0.556 0.000
y 0.556 6.313 0.000
z 0.000 0.000 2.776


<r2> (average value of r2) Å2
<r2> 143.071
(<r2>)1/2 11.961