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All results from a given calculation for C2H3 (vinyl)

using model chemistry: MP3=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-77.759668
Energy at 298.15K-77.761258
HF Energy-77.418927
Nuclear repulsion energy28.896228
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 MP3=FULL/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 A' 3328 3104 0.86      
2 A' 3244 3025 1.51      
3 A' 3158 2945 2.26      
4 A' 1884 1757 3.49      
5 A' 1447 1350 9.87      
6 A' 1092 1018 8.90      
7 A' 741 691 20.54      
8 A" 1066 994 70.73      
9 A" 978 912 30.08      

Unscaled Zero Point Vibrational Energy (zpe) 8468.8 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 7898.0 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 MP3=FULL/cc-pVTZ
ABC
7.98634 1.12982 0.98980

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.048 0.706 0.000
C2 0.048 -0.576 0.000
H3 -0.665 1.504 0.000
H4 -0.878 -1.136 0.000
H5 0.962 -1.145 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.28151.07012.06122.0643
C21.28152.19831.08211.0769
H31.07012.19832.64823.1087
H42.06121.08212.64821.8399
H52.06431.07693.10871.8399

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.171 C1 C2 H5 121.924
C2 C1 H3 138.229 H4 C2 H5 116.906
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability