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All results from a given calculation for CH3CHBrCH3 (i-propyl bromide)

using model chemistry: BLYP/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 BLYP/6-31+G**
 hartrees
Energy at 0K-2690.206079
Energy at 298.15K-2690.216462
HF Energy-2690.206079
Nuclear repulsion energy246.853436
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 BLYP/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' 3063 3047 27.34      
2 A' 3040 3024 13.13      
3 A' 3022 3006 12.49      
4 A' 2958 2942 42.82      
5 A' 1477 1469 7.39      
6 A' 1461 1453 11.96      
7 A' 1389 1382 5.38      
8 A' 1221 1214 47.59      
9 A' 1147 1141 36.81      
10 A' 1028 1022 9.23      
11 A' 856 851 10.64      
12 A' 521 518 21.02      
13 A' 410 408 3.59      
14 A' 290 289 3.07      
15 A' 273 271 1.58      
16 A" 3056 3040 12.98      
17 A" 3023 3007 4.93      
18 A" 2951 2935 13.08      
19 A" 1456 1448 0.16      
20 A" 1449 1441 3.10      
21 A" 1373 1366 10.24      
22 A" 1320 1313 2.97      
23 A" 1104 1098 2.03      
24 A" 922 918 1.89      
25 A" 920 915 0.02      
26 A" 286 284 0.57      
27 A" 248 247 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 20131.0 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 20024.3 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 BLYP/6-31+G**
ABC
0.26284 0.09310 0.07371

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.468 -0.936 0.000
Br2 -0.067 1.028 0.000
H3 1.565 -0.885 0.000
C4 -0.067 -1.580 1.281
C5 -0.067 -1.580 -1.281
H6 -1.168 -1.542 1.306
H7 0.244 -2.641 1.311
H8 0.319 -1.083 2.182
H9 -1.168 -1.542 -1.306
H10 0.244 -2.641 -1.311
H11 0.319 -1.083 -2.182

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.03591.09821.53041.53042.17912.16222.19232.17912.16222.1923
Br22.03592.51482.90602.90603.08623.90853.06083.08623.90853.0608
H31.09822.51482.18832.18833.09922.55892.52063.09922.55892.5206
C41.53042.90602.18832.56171.10121.10551.09972.81152.81763.5200
C51.53042.90602.18832.56172.81152.81763.52001.10121.10551.0997
H62.17913.08623.09921.10122.81151.78821.78602.61223.16973.8198
H72.16223.90852.55891.10552.81761.78821.78653.16972.62213.8257
H82.19233.06082.52061.09973.52001.78601.78653.81983.82574.3646
H92.17913.08623.09922.81151.10122.61223.16973.81981.78821.7860
H102.16223.90852.55892.81761.10553.16972.62213.82571.78821.7865
H112.19233.06082.52063.52001.09973.81983.82574.36461.78601.7865

picture of i-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H6 110.744 C1 C4 H7 109.165
C1 C4 H8 111.882 C1 C5 H9 110.744
C1 C5 H10 109.165 C1 C5 H11 111.882
Br2 C1 H3 102.571 Br2 C1 C4 108.312
Br2 C1 C5 108.312 H3 C1 C4 111.654
H3 C1 C5 111.654 C4 C1 C5 113.637
H6 C4 H7 108.259 H6 C4 H8 108.473
H7 C4 H8 108.217 H9 C5 H10 108.259
H9 C5 H11 108.473 H10 C5 H11 108.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.052      
2 Br -0.160      
3 H 0.167      
4 C -0.454      
5 C -0.454      
6 H 0.163      
7 H 0.148      
8 H 0.165      
9 H 0.163      
10 H 0.148      
11 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.484 -2.424 0.000 2.472
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.373 -0.826 0.000
y -0.826 -38.313 0.000
z 0.000 0.000 -39.348
Traceless
 xyz
x -0.542 -0.826 0.000
y -0.826 1.047 0.000
z 0.000 0.000 -0.505
Polar
3z2-r2-1.010
x2-y2-1.059
xy-0.826
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.534 -0.288 0.000
y -0.288 11.038 0.000
z 0.000 0.000 8.490


<r2> (average value of r2) Å2
<r2> 161.511
(<r2>)1/2 12.709