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All results from a given calculation for CH3CH2CH2Br (n-propyl bromide)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-2690.200827
Energy at 298.15K-2690.211227
HF Energy-2690.200827
Nuclear repulsion energy235.728232
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 B3PW91/6-31G**
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' 3140 3009 24.79      
2 A' 3110 2980 16.04      
3 A' 3071 2944 10.35      
4 A' 3053 2926 23.44      
5 A' 1515 1452 5.76      
6 A' 1500 1438 1.27      
7 A' 1490 1428 1.61      
8 A' 1420 1361 1.88      
9 A' 1365 1308 5.86      
10 A' 1252 1200 40.35      
11 A' 1121 1074 1.82      
12 A' 1050 1006 1.65      
13 A' 911 873 10.51      
14 A' 657 629 24.18      
15 A' 309 296 1.92      
16 A' 211 202 1.57      
17 A" 3181 3049 10.80      
18 A" 3135 3005 34.00      
19 A" 3111 2981 0.10      
20 A" 1507 1444 8.38      
21 A" 1319 1264 0.01      
22 A" 1242 1190 0.22      
23 A" 1060 1015 2.14      
24 A" 853 818 0.06      
25 A" 746 715 5.00      
26 A" 238 228 0.03      
27 A" 117 112 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 20841.7 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 19974.7 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 B3PW91/6-31G**
ABC
0.84486 0.05429 0.05251

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.842 0.000
C2 1.507 0.665 0.000
C3 2.228 2.013 0.000
Br4 -0.930 -0.888 0.000
H5 -0.357 1.362 0.890
H6 -0.357 1.362 -0.890
H7 1.798 0.079 0.878
H8 1.798 0.079 -0.878
H9 3.313 1.871 0.000
H10 1.971 2.605 -0.885
H11 1.971 2.605 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51712.51681.96471.09121.09122.14222.14223.46842.78852.7885
C21.51711.52952.88922.18012.18011.09541.09542.17162.18312.1831
C32.51681.52954.28842.81032.81032.16772.16771.09411.09531.0953
Br41.96472.88924.28842.48732.48733.02483.02485.06054.62644.6264
H51.09122.18012.81032.48731.78102.50853.06953.81003.18062.6389
H61.09122.18012.81032.48731.78103.06952.50853.81002.63893.1806
H72.14221.09542.16773.02482.50853.06951.75702.50503.08612.5326
H82.14221.09542.16773.02483.06952.50851.75702.50502.53263.0861
H93.46842.17161.09415.06053.81003.81002.50502.50501.76731.7673
H102.78852.18311.09534.62643.18062.63893.08612.53261.76731.7700
H112.78852.18311.09534.62642.63893.18062.53263.08611.76731.7700

picture of n-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.398 C1 C2 H7 109.094
C1 C2 H8 109.094 C2 C1 Br4 111.513
C2 C1 H5 112.377 C2 C1 H6 112.377
C2 C3 H9 110.629 C2 C3 H10 111.472
C2 C3 H11 111.472 C3 C2 H7 110.245
C3 C2 H8 110.245 Br4 C1 H5 105.364
Br4 C1 H6 105.364 H5 C1 H6 109.387
H7 C2 H8 106.638 H9 C3 H10 107.647
H9 C3 H11 107.647 H10 C3 H11 107.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.259      
2 C -0.239      
3 C -0.400      
4 Br -0.154      
5 H 0.173      
6 H 0.173      
7 H 0.149      
8 H 0.149      
9 H 0.142      
10 H 0.134      
11 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.334 1.841 0.000 2.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.119 0.104 0.000
y 0.104 -37.237 0.000
z 0.000 0.000 -38.109
Traceless
 xyz
x -0.446 0.104 0.000
y 0.104 0.877 0.000
z 0.000 0.000 -0.432
Polar
3z2-r2-0.863
x2-y2-0.882
xy0.104
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.884 1.746 0.000
y 1.746 8.177 0.000
z 0.000 0.000 6.030


<r2> (average value of r2) Å2
<r2> 207.090
(<r2>)1/2 14.391