return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-2692.954587
Energy at 298.15K-2692.965002
HF Energy-2692.954587
Nuclear repulsion energy236.762108
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 B1B95/6-311G*
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 3010 33.47      
2 A' 3117 2988 21.09      
3 A' 3079 2951 11.93      
4 A' 3060 2933 28.06      
5 A' 1525 1462 8.83      
6 A' 1508 1446 1.59      
7 A' 1498 1436 2.27      
8 A' 1426 1367 3.32      
9 A' 1374 1317 8.97      
10 A' 1267 1215 40.58      
11 A' 1129 1082 2.11      
12 A' 1060 1016 1.55      
13 A' 918 880 10.91      
14 A' 663 635 24.54      
15 A' 310 297 1.73      
16 A' 208 200 1.46      
17 A" 3181 3050 16.68      
18 A" 3136 3006 42.58      
19 A" 3111 2982 0.05      
20 A" 1518 1455 10.90      
21 A" 1334 1279 0.00      
22 A" 1251 1199 0.60      
23 A" 1074 1029 3.33      
24 A" 861 825 0.01      
25 A" 747 716 5.21      
26 A" 236 226 0.05      
27 A" 116 111 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 20922.8 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 20056.6 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 B1B95/6-311G*
ABC
0.85454 0.05475 0.05297

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.833 0.000
C2 1.501 0.668 0.000
C3 2.201 2.020 0.000
Br4 -0.922 -0.889 0.000
H5 -0.355 1.356 0.885
H6 -0.355 1.356 -0.885
H7 1.800 0.088 0.875
H8 1.800 0.088 -0.875
H9 3.284 1.896 0.000
H10 1.939 2.608 -0.881
H11 1.939 2.608 0.881

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51012.50071.95361.08721.08722.13582.13583.45192.77212.7721
C21.51011.52202.88042.16832.16831.09151.09152.16482.17482.1748
C32.50071.52204.26802.78572.78572.15802.15801.09011.09151.0915
Br41.95362.88044.26802.47862.47863.02183.02185.04464.60324.6032
H51.08722.16832.78572.47861.76942.50093.05773.78443.15412.6135
H61.08722.16832.78572.47861.76943.05772.50093.78442.61353.1541
H72.13581.09152.15803.02182.50093.05771.74942.49693.07442.5237
H82.13581.09152.15803.02183.05772.50091.74942.49692.52373.0744
H93.45192.16481.09015.04463.78443.78442.49692.49691.75911.7591
H102.77212.17481.09154.60323.15412.61353.07442.52371.75911.7621
H112.77212.17481.09154.60322.61353.15412.52373.07441.75911.7621

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 111.126 C1 C2 H7 109.305
C1 C2 H8 109.305 C2 C1 Br4 111.890
C2 C1 H5 112.170 C2 C1 H6 112.170
C2 C3 H9 110.861 C2 C3 H10 111.583
C2 C3 H11 111.583 C3 C2 H7 110.235
C3 C2 H8 110.235 Br4 C1 H5 105.635
Br4 C1 H6 105.635 H5 C1 H6 108.926
H7 C2 H8 106.520 H9 C3 H10 107.482
H9 C3 H11 107.482 H10 C3 H11 107.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.531      
2 C -0.440      
3 C -0.654      
4 Br -0.061      
5 H 0.265      
6 H 0.265      
7 H 0.238      
8 H 0.238      
9 H 0.233      
10 H 0.222      
11 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.324 1.837 0.000 2.264
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.773 0.076 0.000
y 0.076 -38.026 0.000
z 0.000 0.000 -38.641
Traceless
 xyz
x -0.440 0.076 0.000
y 0.076 0.681 0.000
z 0.000 0.000 -0.241
Polar
3z2-r2-0.482
x2-y2-0.748
xy0.076
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.048 1.956 0.000
y 1.956 8.514 0.000
z 0.000 0.000 5.885


<r2> (average value of r2) Å2
<r2> 205.945
(<r2>)1/2 14.351