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 As(CH3)3 (trimethyl arsine)

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-2353.516649
Energy at 298.15K-2353.523864
HF Energy-2353.516649
Nuclear repulsion energy291.558865
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 wB97X-D/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3158 3008 34.21      
2 A1 3061 2915 27.98      
3 A1 1496 1425 12.87      
4 A1 1332 1269 6.91      
5 A1 931 886 32.74      
6 A1 586 558 2.43      
7 A1 249 237 1.52      
8 A2 3169 3019 0.00      
9 A2 1469 1399 0.00      
10 A2 781 744 0.00      
11 A2 154 147 0.00      
12 E 3170 3020 15.01      
12 E 3170 3020 15.02      
13 E 3158 3009 5.69      
13 E 3158 3009 5.66      
14 E 3063 2918 24.73      
14 E 3063 2918 24.75      
15 E 1484 1414 15.24      
15 E 1484 1414 15.23      
16 E 1477 1407 4.39      
16 E 1477 1407 4.37      
17 E 1306 1244 3.97      
17 E 1306 1244 3.92      
18 E 927 883 14.17      
18 E 927 883 14.22      
19 E 820 781 0.27      
19 E 820 781 0.28      
20 E 596 568 16.89      
20 E 596 568 16.90      
21 E 225 214 0.29      
21 E 225 214 0.30      
22 E 184 175 0.02      
22 E 184 175 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24602.2 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 23436.1 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 wB97X-D/cc-pVDZ
ABC
0.15844 0.15844 0.11540

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.470
C2 0.000 1.696 -0.515
C3 1.469 -0.848 -0.515
C4 -1.469 -0.848 -0.515
H5 0.000 1.524 -1.595
H6 1.320 -0.762 -1.595
H7 -1.320 -0.762 -1.595
H8 -0.886 2.277 -0.243
H9 2.415 -0.372 -0.243
H10 -1.529 -1.905 -0.243
H11 0.886 2.277 -0.243
H12 1.529 -1.905 -0.243
H13 -2.415 -0.372 -0.243

Atom - Atom Distances (Å)
  As1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
As11.96131.96131.96132.56612.56612.56612.54522.54522.54522.54522.54522.5452
C21.96132.93812.93811.09392.99202.99201.09323.19083.92231.09323.92233.1908
C31.96132.93812.93812.99201.09392.99203.92231.09323.19083.19081.09323.9223
C41.96132.93812.93812.99202.99201.09393.19083.92231.09323.92233.19081.0932
H52.56611.09392.99202.99202.63962.63961.78263.35423.99071.78263.99073.3542
H62.56612.99201.09392.99202.63962.63963.99071.78263.35423.35421.78263.9907
H72.56612.99202.99201.09392.63962.63963.35423.99071.78263.99073.35421.7826
H82.54521.09323.92233.19081.78263.99073.35424.23184.23181.77114.82963.0585
H92.54523.19081.09323.92233.35421.78263.99074.23184.23183.05851.77114.8296
H102.54523.92233.19081.09323.99073.35421.78264.23184.23184.82963.05851.7711
H112.54521.09323.19083.92231.78263.35423.99071.77113.05854.82964.23184.2318
H122.54523.92231.09323.19083.99071.78263.35424.82961.77113.05854.23184.2318
H132.54523.19083.92231.09323.35423.99071.78263.05854.82961.77114.23184.2318

picture of trimethyl arsine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
As1 C2 H5 111.061 As1 C2 H8 109.571
As1 C2 H11 109.571 As1 C3 H6 111.061
As1 C3 H9 109.571 As1 C3 H12 109.571
As1 C4 H7 111.061 As1 C4 H10 109.571
As1 C4 H13 109.571 C2 As1 C3 97.013
C2 As1 C4 97.013 C3 As1 C4 97.013
H5 C2 H8 109.190 H5 C2 H11 109.190
H6 C3 H9 109.190 H6 C3 H12 109.190
H7 C4 H10 109.190 H7 C4 H13 109.190
H8 C2 H11 108.204 H9 C3 H12 108.204
H10 C4 H13 108.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 As 0.268      
2 C -0.593      
3 C -0.593      
4 C -0.593      
5 H 0.164      
6 H 0.164      
7 H 0.164      
8 H 0.170      
9 H 0.170      
10 H 0.170      
11 H 0.170      
12 H 0.170      
13 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.141 1.141
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.651 0.000 0.000
y 0.000 -38.651 0.000
z 0.000 0.000 -42.466
Traceless
 xyz
x 1.907 0.000 0.000
y 0.000 1.907 0.000
z 0.000 0.000 -3.815
Polar
3z2-r2-7.630
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.374 0.000 0.000
y 0.000 10.364 0.004
z 0.000 0.004 9.135


<r2> (average value of r2) Å2
<r2> 139.264
(<r2>)1/2 11.801