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

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-2647.776722
Energy at 298.15K-2647.782273
HF Energy-2647.362664
Nuclear repulsion energy143.996383
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 CCD/6-31+G**
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' 3337 3145 3.24      
2 A' 3302 3111 4.69      
3 A' 3236 3049 0.42      
4 A' 1705 1607 36.61      
5 A' 1452 1368 11.75      
6 A' 1326 1250 25.95      
7 A' 1053 992 8.19      
8 A' 616 581 20.15      
9 A' 349 329 0.01      
10 A" 986 929 46.68      
11 A" 925 872 25.00      
12 A" 601 567 16.32      

Unscaled Zero Point Vibrational Energy (zpe) 9444.6 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 8899.6 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 CCD/6-31+G**
ABC
1.83014 0.13679 0.12728

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.460 -1.114 0.000
C2 -0.444 -2.091 0.000
Br3 0.000 0.729 0.000
H4 1.526 -1.280 0.000
H5 -0.114 -3.121 0.000
H6 -1.507 -1.898 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6
C11.33141.89951.07942.08752.1174
C21.33142.85512.13111.08151.0803
Br31.89952.85512.52313.85183.0285
H41.07942.13112.52312.46573.0958
H52.08751.08153.85182.46571.8542
H62.11741.08033.02853.09581.8542

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 119.433 C1 C2 H6 122.452
C2 C1 Br3 123.220 C2 C1 H4 123.924
Br3 C1 H4 112.856 H5 C2 H6 118.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability