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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-2690.333202
Energy at 298.15K-2690.343650
HF Energy-2690.333202
Nuclear repulsion energy234.717807
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 B1B95/6-31G
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' 3166 3020 29.54      
2 A' 3150 3004 13.76      
3 A' 3095 2952 11.03      
4 A' 3073 2931 26.88      
5 A' 1555 1483 11.15      
6 A' 1543 1471 2.65      
7 A' 1523 1453 3.33      
8 A' 1464 1396 7.75      
9 A' 1399 1334 4.54      
10 A' 1283 1224 36.28      
11 A' 1156 1103 2.40      
12 A' 1075 1026 3.54      
13 A' 935 891 12.80      
14 A' 648 618 28.08      
15 A' 311 297 2.81      
16 A' 212 202 2.03      
17 A" 3230 3080 11.90      
18 A" 3163 3016 40.50      
19 A" 3135 2990 0.05      
20 A" 1547 1475 11.54      
21 A" 1349 1286 0.00      
22 A" 1273 1214 0.10      
23 A" 1076 1026 2.59      
24 A" 877 837 0.10      
25 A" 770 734 7.19      
26 A" 233 223 0.05      
27 A" 121 116 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 21181.2 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 20200.5 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 B1B95/6-31G
ABC
0.83213 0.05403 0.05222

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.875 0.000
C2 1.498 0.669 0.000
C3 2.243 2.004 0.000
Br4 -0.932 -0.893 0.000
H5 -0.357 1.385 0.893
H6 -0.357 1.385 -0.893
H7 1.779 0.079 0.877
H8 1.779 0.079 -0.877
H9 3.323 1.843 0.000
H10 1.995 2.598 -0.884
H11 1.995 2.598 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.51242.51121.99881.08791.08792.13732.13733.46152.77972.7797
C21.51241.52942.88832.17952.17951.09371.09372.17072.17952.1795
C32.51121.52944.29802.81752.81752.16642.16641.09231.09361.0936
Br41.99882.88834.29802.51342.51343.00983.00985.05904.64014.6401
H51.08792.17952.81752.51341.78502.50333.06563.81433.18672.6454
H61.08792.17952.81752.51341.78503.06562.50333.81432.64543.1867
H72.13731.09372.16643.00982.50333.06561.75442.50413.08152.5285
H82.13731.09372.16643.00983.06562.50331.75442.50412.52853.0815
H93.46152.17071.09235.05903.81433.81432.50412.50411.76561.7656
H102.77972.17951.09364.64013.18672.64543.08152.52851.76561.7684
H112.77972.17951.09364.64012.64543.18672.52853.08151.76561.7684

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 111.289 C1 C2 H7 109.134
C1 C2 H8 109.134 C2 C1 Br4 109.917
C2 C1 H5 112.878 C2 C1 H6 112.878
C2 C3 H9 110.676 C2 C3 H10 111.303
C2 C3 H11 111.303 C3 C2 H7 110.256
C3 C2 H8 110.256 Br4 C1 H5 105.176
Br4 C1 H6 105.176 H5 C1 H6 110.248
H7 C2 H8 106.651 H9 C3 H10 107.748
H9 C3 H11 107.748 H10 C3 H11 107.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.535      
2 C -0.276      
3 C -0.467      
4 Br -0.011      
5 H 0.220      
6 H 0.220      
7 H 0.180      
8 H 0.180      
9 H 0.170      
10 H 0.160      
11 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.431 2.039 0.000 2.491
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.424 -0.119 0.000
y -0.119 -37.729 0.000
z 0.000 0.000 -38.345
Traceless
 xyz
x -0.388 -0.119 0.000
y -0.119 0.655 0.000
z 0.000 0.000 -0.268
Polar
3z2-r2-0.535
x2-y2-0.695
xy-0.119
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.845 2.022 0.000
y 2.022 7.728 0.000
z 0.000 0.000 4.935


<r2> (average value of r2) Å2
<r2> 208.189
(<r2>)1/2 14.429