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All results from a given calculation for C2H3 (vinyl)

using model chemistry: B2PLYP=FULLultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B2PLYP=FULLultrafine/Def2TZVPP
 hartrees
Energy at 0K-77.866910
Energy at 298.15K 
HF Energy-77.758778
Nuclear repulsion energy28.541775
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 B2PLYP=FULLultrafine/Def2TZVPP
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' 3270 3270 0.66      
2 A' 3182 3182 2.38      
3 A' 3081 3081 3.15      
4 A' 1672 1672 2.30      
5 A' 1410 1410 8.04      
6 A' 1064 1064 7.89      
7 A' 719 719 20.93      
8 A" 939 939 75.13      
9 A" 831 831 18.00      

Unscaled Zero Point Vibrational Energy (zpe) 8084.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8084.0 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 B2PLYP=FULLultrafine/Def2TZVPP
ABC
7.92618 1.09592 0.96280

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.718 0.000
C2 0.049 -0.585 0.000
H3 -0.670 1.519 0.000
H4 -0.879 -1.154 0.000
H5 0.965 -1.161 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30291.07582.08912.0909
C21.30292.22311.08831.0827
H31.07582.22312.68093.1395
H42.08911.08832.68091.8443
H52.09091.08273.13951.8443

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.514 C1 C2 H5 122.165
C2 C1 H3 138.111 H4 C2 H5 116.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability