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All results from a given calculation for C2H3Br (vinyl bromide)

using model chemistry: CCSD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/aug-cc-pVTZ
 hartrees
Energy at 0K-2650.535717
Energy at 298.15K-2650.541287
HF Energy-2649.944357
Nuclear repulsion energy144.951953
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 CCSD/aug-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' 3271 3126 1.88      
2 A' 3242 3099 3.70      
3 A' 3175 3035 0.20      
4 A' 1675 1601 39.11      
5 A' 1421 1358 9.95      
6 A' 1300 1243 23.58      
7 A' 1033 987 6.34      
8 A' 631 603 19.17      
9 A' 348 333 0.03      
10 A" 987 944 30.84      
11 A" 945 903 25.62      
12 A" 605 578 15.42      

Unscaled Zero Point Vibrational Energy (zpe) 9315.5 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 8903.8 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 CCSD/aug-cc-pVTZ
ABC
1.83395 0.13896 0.12917

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.460 -1.105 0.000
C2 -0.444 -2.075 0.000
Br3 0.000 0.724 0.000
H4 1.527 -1.269 0.000
H5 -0.120 -3.107 0.000
H6 -1.506 -1.876 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32571.88591.07882.08442.1120
C21.32572.83322.12901.08201.0806
Br31.88592.83322.51003.83263.0041
H41.07882.12902.51002.46823.0929
H52.08441.08203.83262.46821.8539
H62.11201.08063.00413.09291.8539

picture of vinyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 119.584 C1 C2 H6 122.400
C2 C1 Br3 122.860 C2 C1 H4 124.292
Br3 C1 H4 112.848 H5 C2 H6 118.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability