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

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-2690.252887
Energy at 298.15K-2690.263310
HF Energy-2690.252887
Nuclear repulsion energy249.015558
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 B3LYPultrafine/6-31G*
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' 3151 3018 27.75      
2 A' 3126 2995 23.17      
3 A' 3110 2980 6.07      
4 A' 3048 2920 32.90      
5 A' 1534 1470 5.90      
6 A' 1522 1458 8.08      
7 A' 1448 1388 3.32      
8 A' 1266 1212 48.28      
9 A' 1193 1143 36.25      
10 A' 1064 1019 7.17      
11 A' 892 854 8.24      
12 A' 535 512 20.14      
13 A' 404 387 2.07      
14 A' 297 284 2.60      
15 A' 265 254 1.05      
16 A" 3145 3013 11.72      
17 A" 3114 2983 3.54      
18 A" 3042 2914 10.40      
19 A" 1515 1451 0.48      
20 A" 1510 1446 2.27      
21 A" 1434 1374 8.64      
22 A" 1377 1319 2.01      
23 A" 1153 1105 1.23      
24 A" 961 920 0.35      
25 A" 954 914 1.27      
26 A" 286 274 0.70      
27 A" 246 236 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 20794.9 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 19921.5 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 B3LYPultrafine/6-31G*
ABC
0.26564 0.09498 0.07494

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.453 -0.921 0.000
Br2 -0.066 1.018 0.000
H3 1.544 -0.878 0.000
C4 -0.066 -1.566 1.276
C5 -0.066 -1.566 -1.276
H6 -1.160 -1.543 1.310
H7 0.257 -2.616 1.310
H8 0.318 -1.059 2.166
H9 -1.160 -1.543 -1.310
H10 0.257 -2.616 -1.310
H11 0.318 -1.059 -2.166

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.00741.09161.52111.52112.16872.15112.17422.16872.15112.1742
Br22.00742.48732.88252.88253.07793.87643.02533.07793.87643.0253
H31.09162.48732.16602.16603.07662.52812.49503.07662.52812.4950
C41.52112.88252.16602.55231.09481.09841.09332.80812.80993.5000
C51.52112.88252.16602.55232.80812.80993.50001.09481.09841.0933
H62.16873.07793.07661.09482.80811.77691.77462.61993.16603.8074
H72.15113.87642.52811.09842.80991.77691.77703.16602.62083.8090
H82.17423.02532.49501.09333.50001.77461.77703.80743.80904.3312
H92.16873.07793.07662.80811.09482.61993.16603.80741.77691.7746
H102.15113.87642.52812.80991.09843.16602.62083.80901.77691.7770
H112.17423.02532.49503.50001.09333.80743.80904.33121.77461.7770

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 110.947 C1 C4 H7 109.348
C1 C4 H8 111.479 C1 C5 H9 110.947
C1 C5 H10 109.348 C1 C5 H11 111.479
Br2 C1 H3 102.725 Br2 C1 C4 108.772
Br2 C1 C5 108.772 H3 C1 C4 110.929
H3 C1 C5 110.929 C4 C1 C5 114.059
H6 C4 H7 108.233 H6 C4 H8 108.394
H7 C4 H8 108.345 H9 C5 H10 108.233
H9 C5 H11 108.394 H10 C5 H11 108.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.112      
2 Br -0.171      
3 H 0.181      
4 C -0.435      
5 C -0.435      
6 H 0.166      
7 H 0.151      
8 H 0.169      
9 H 0.166      
10 H 0.151      
11 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.464 -2.265 0.000 2.312
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.028 -0.710 0.000
y -0.710 -37.027 0.000
z 0.000 0.000 -38.036
Traceless
 xyz
x -0.496 -0.710 0.000
y -0.710 1.004 0.000
z 0.000 0.000 -0.509
Polar
3z2-r2-1.018
x2-y2-1.000
xy-0.710
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.981 -0.377 0.000
y -0.377 9.193 0.000
z 0.000 0.000 6.715


<r2> (average value of r2) Å2
<r2> 158.453
(<r2>)1/2 12.588