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All results from a given calculation for C3H2O3 (vinylene carbonate)

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-340.863580
Energy at 298.15K 
HF Energy-340.863580
Nuclear repulsion energy226.956736
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 PBEPBEultrafine/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 A1 3255 3235 0.32      
2 A1 1848 1837 618.43      
3 A1 1618 1608 5.01      
4 A1 1142 1135 117.02      
5 A1 1077 1071 18.76      
6 A1 854 849 36.67      
7 A1 713 709 2.59      
8 A2 769 765 0.00      
9 A2 564 561 0.00      
10 B1 734 730 0.05      
11 B1 675 671 84.00      
12 B1 241 239 0.42      
13 B2 3229 3210 8.23      
14 B2 1304 1296 19.77      
15 B2 1059 1052 74.60      
16 B2 973 967 44.00      
17 B2 860 855 0.51      
18 B2 496 493 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 10705.6 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 10640.3 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.30546 0.13678 0.09447

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.793
O2 0.000 0.000 1.996
O3 0.000 1.122 -0.025
O4 0.000 -1.122 -0.025
C5 0.000 0.672 -1.339
C6 0.000 -0.672 -1.339
H7 0.000 1.423 -2.128
H8 0.000 -1.423 -2.128

Atom - Atom Distances (Å)
  C1 O2 O3 O4 C5 C6 H7 H8
C11.20331.38781.38782.23542.23543.24933.2493
O21.20332.31102.31103.40233.40234.36304.3630
O31.38782.31102.24351.38942.22432.12533.3021
O41.38782.31102.24352.22431.38943.30212.1253
C52.23543.40231.38942.22431.34471.08932.2394
C62.23543.40232.22431.38941.34472.23941.0893
H73.24934.36302.12533.30211.08932.23942.8469
H83.24934.36303.30212.12532.23941.08932.8469

picture of vinylene carbonate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 C5 107.201 C1 O4 C6 107.201
O2 C1 O3 126.072 O2 C1 O4 126.072
O3 C1 O4 107.855 O3 C5 C6 108.871
O3 C5 H7 117.539 O4 C6 C5 108.871
O4 C6 H8 117.539 C5 C6 H8 133.590
C6 C5 H7 133.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.695      
2 O -0.466      
3 O -0.431      
4 O -0.431      
5 C 0.726      
6 C 0.726      
7 H -0.409      
8 H -0.409      


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 -4.444 4.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.583 0.000 0.000
y 0.000 -32.795 0.000
z 0.000 0.000 -34.088
Traceless
 xyz
x -0.141 0.000 0.000
y 0.000 1.041 0.000
z 0.000 0.000 -0.899
Polar
3z2-r2-1.799
x2-y2-0.788
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.509 0.000 0.000
y 0.000 6.934 0.000
z 0.000 0.000 8.990


<r2> (average value of r2) Å2
<r2> 116.759
(<r2>)1/2 10.806