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

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-2637.298530
Energy at 298.15K-2637.304143
Nuclear repulsion energy141.856104
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 CID/3-21G
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' 3296 3070 7.47      
2 A' 3279 3054 0.87      
3 A' 3204 2985 0.86      
4 A' 1724 1606 29.31      
5 A' 1515 1411 10.02      
6 A' 1349 1257 34.60      
7 A' 1100 1025 5.14      
8 A' 604 563 14.23      
9 A' 356 332 0.12      
10 A" 1047 976 39.21      
11 A" 1029 959 45.34      
12 A" 633 589 16.12      

Unscaled Zero Point Vibrational Energy (zpe) 9567.9 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 8913.5 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 CID/3-21G
ABC
1.83285 0.13219 0.12330

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.460 -1.148 0.000
C2 -0.441 -2.119 0.000
Br3 0.000 0.743 0.000
H4 1.526 -1.321 0.000
H5 -0.132 -3.159 0.000
H6 -1.505 -1.919 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.32421.94651.07982.09562.1109
C21.32422.89572.12251.08461.0827
Br31.94652.89572.56673.90393.0584
H41.07982.12252.56672.47513.0895
H52.09561.08463.90392.47511.8495
H62.11091.08273.05843.08951.8495

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 120.589 C1 C2 H6 122.251
C2 C1 Br3 123.461 C2 C1 H4 123.677
Br3 C1 H4 112.862 H5 C2 H6 117.159
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability