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All results from a given calculation for C2H5Br (Ethyl bromide)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-2650.384698
Energy at 298.15K 
HF Energy-2650.238075
Nuclear repulsion energy163.234571
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=FULL/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' 3159 3004 22.77      
2 A' 3141 2987 5.26      
3 A' 3078 2927 20.12      
4 A' 1525 1450 2.99      
5 A' 1516 1441 1.17      
6 A' 1443 1372 5.70      
7 A' 1313 1249 67.29      
8 A' 1098 1044 0.09      
9 A' 993 944 15.00      
10 A' 567 539 17.80      
11 A' 292 278 2.07      
12 A" 3214 3056 7.90      
13 A" 3178 3022 7.94      
14 A" 1513 1439 10.30      
15 A" 1290 1227 0.41      
16 A" 1062 1010 0.32      
17 A" 790 751 3.47      
18 A" 266 253 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14717.9 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 13996.7 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=FULL/6-31+G**
ABC
1.01081 0.12455 0.11571

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.573 -2.041 0.000
C2 0.598 -1.080 0.000
Br3 0.000 0.799 0.000
H4 1.217 -1.182 0.888
H5 1.217 -1.182 -0.888
H6 -0.192 -3.067 0.000
H7 -1.195 -1.906 0.885
H8 -1.195 -1.906 -0.885

Atom - Atom Distances (Å)
  C1 C2 Br3 H4 H5 H6 H7 H8
C11.51502.89782.17522.17521.09391.09011.0901
C21.51501.97201.08731.08732.13812.16332.1633
Br32.89781.97202.48852.48853.87073.08673.0867
H42.17521.08732.48851.77622.51542.51853.0798
H52.17521.08732.48851.77622.51543.07982.5185
H61.09392.13813.87072.51542.51541.77131.7713
H71.09012.16333.08672.51853.07981.77131.7693
H81.09012.16333.08673.07982.51851.77131.7693

picture of Ethyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Br3 111.745 C1 C2 H4 112.374
C1 C2 H5 112.374 C2 C1 H6 109.007
C2 C1 H7 111.234 C2 C1 H8 111.234
Br3 C2 H4 105.167 Br3 C2 H5 105.167
H4 C2 H5 109.533 H6 C1 H7 108.395
H6 C1 H8 108.395 H7 C1 H8 108.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability