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All results from a given calculation for As(CH3)3 (trimethyl arsine)

using model chemistry: PBEPBE/aug-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 PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-2355.077660
Energy at 298.15K-2355.084397
Nuclear repulsion energy286.934853
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 PBEPBE/aug-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 3068 3049 31.63      
2 A1 2967 2949 21.04      
3 A1 1397 1389 8.05      
4 A1 1218 1211 3.85      
5 A1 856 851 21.43      
6 A1 546 543 2.17      
7 A1 222 221 0.92      
8 A2 3078 3059 0.00      
9 A2 1369 1360 0.00      
10 A2 721 717 0.00      
11 A2 115 114 0.00      
12 E 3078 3059 13.00      
12 E 3078 3059 13.00      
13 E 3069 3050 3.44      
13 E 3069 3050 3.44      
14 E 2969 2951 19.11      
14 E 2969 2951 19.12      
15 E 1384 1375 8.68      
15 E 1384 1375 8.67      
16 E 1377 1368 2.86      
16 E 1377 1368 2.85      
17 E 1192 1185 0.33      
17 E 1192 1185 0.32      
18 E 858 852 11.98      
18 E 858 852 11.99      
19 E 751 747 0.31      
19 E 751 747 0.31      
20 E 561 557 15.26      
20 E 561 557 15.26      
21 E 199 198 0.20      
21 E 199 198 0.20      
22 E 161 160 0.00      
22 E 161 160 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23376.4 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 23233.8 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 PBEPBE/aug-cc-pVDZ
ABC
0.15325 0.15325 0.11174

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.479
C2 0.000 1.721 -0.526
C3 1.490 -0.860 -0.526
C4 -1.490 -0.860 -0.526
H5 0.000 1.551 -1.619
H6 1.343 -0.775 -1.619
H7 -1.343 -0.775 -1.619
H8 -0.895 2.306 -0.249
H9 2.445 -0.378 -0.249
H10 -1.549 -1.928 -0.249
H11 0.895 2.306 -0.249
H12 1.549 -1.928 -0.249
H13 -2.445 -0.378 -0.249

Atom - Atom Distances (Å)
  As1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
As11.99311.99311.99312.60962.60962.60962.57862.57862.57862.57862.57862.5786
C21.99312.98042.98041.10603.03813.03811.10493.23363.97401.10493.97403.2336
C31.99312.98042.98043.03811.10603.03813.97401.10493.23363.23361.10493.9740
C41.99312.98042.98043.03813.03811.10603.23363.97401.10493.97403.23361.1049
H52.60961.10603.03813.03812.68642.68641.80253.40204.04771.80254.04773.4020
H62.60963.03811.10603.03812.68642.68644.04771.80253.40203.40201.80254.0477
H72.60963.03813.03811.10602.68642.68643.40204.04771.80254.04773.40201.8025
H82.57861.10493.97403.23361.80254.04773.40204.28444.28441.79064.88923.0987
H92.57863.23361.10493.97403.40201.80254.04774.28444.28443.09871.79064.8892
H102.57863.97403.23361.10494.04773.40201.80254.28444.28444.88923.09871.7906
H112.57861.10493.23363.97401.80253.40204.04771.79063.09874.88924.28444.2844
H122.57863.97401.10493.23364.04771.80253.40204.88921.79063.09874.28444.2844
H132.57863.23363.97401.10493.40204.04771.80253.09874.88921.79064.28444.2844

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 111.476 As1 C2 H8 109.300
As1 C2 H11 109.300 As1 C3 H6 111.476
As1 C3 H9 109.300 As1 C3 H12 109.300
As1 C4 H7 111.476 As1 C4 H10 109.300
As1 C4 H13 109.300 C2 As1 C3 96.779
C2 As1 C4 96.779 C3 As1 C4 96.779
H5 C2 H8 109.231 H5 C2 H11 109.231
H6 C3 H9 109.231 H6 C3 H12 109.231
H7 C4 H10 109.231 H7 C4 H13 109.231
H8 C2 H11 108.241 H9 C3 H12 108.241
H10 C4 H13 108.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 As 0.821      
2 C 0.596      
3 C 0.596      
4 C 0.596      
5 H -0.245      
6 H -0.245      
7 H -0.245      
8 H -0.312      
9 H -0.312      
10 H -0.312      
11 H -0.312      
12 H -0.312      
13 H -0.312      


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 -0.923 0.923
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.241 0.000 0.000
y 0.000 -39.241 0.000
z 0.000 0.000 -42.528
Traceless
 xyz
x 1.644 0.000 0.000
y 0.000 1.644 0.000
z 0.000 0.000 -3.288
Polar
3z2-r2-6.575
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 12.086 0.000 0.000
y 0.000 12.085 0.001
z 0.000 0.001 10.643


<r2> (average value of r2) Å2
<r2> 143.230
(<r2>)1/2 11.968