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 C5H9N (Propanenitrile, 2,2-dimethyl-)

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-250.580357
Energy at 298.15K-250.589661
Nuclear repulsion energy227.821009
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(2df,p)
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 3149 3016 34.91      
2 A1 3062 2932 12.56      
3 A1 2373 2272 10.23      
4 A1 1511 1447 10.78      
5 A1 1418 1358 1.65      
6 A1 1272 1218 14.89      
7 A1 892 854 0.86      
8 A1 699 669 1.20      
9 A1 360 345 0.48      
10 A2 3154 3020 0.00      
11 A2 1466 1404 0.00      
12 A2 958 917 0.00      
13 A2 208 200 0.00      
14 E 3156 3023 21.68      
14 E 3156 3023 21.66      
15 E 3146 3013 3.34      
15 E 3146 3013 3.34      
16 E 3058 2929 15.00      
16 E 3058 2929 15.04      
17 E 1491 1428 6.55      
17 E 1491 1428 6.56      
18 E 1477 1414 0.62      
18 E 1477 1414 0.62      
19 E 1386 1327 5.58      
19 E 1386 1327 5.57      
20 E 1235 1182 4.59      
20 E 1235 1182 4.58      
21 E 1045 1001 0.02      
21 E 1045 1001 0.02      
22 E 944 904 1.27      
22 E 944 904 1.27      
23 E 583 558 0.06      
23 E 583 558 0.06      
24 E 343 328 0.31      
24 E 343 328 0.30      
25 E 264 253 0.15      
25 E 264 253 0.15      
26 E 185 177 3.95      
26 E 185 177 3.95      

Unscaled Zero Point Vibrational Energy (zpe) 28570.6 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 27362.1 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 B1B95/6-31G(2df,p)
ABC
0.15164 0.09239 0.09239

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.277
C2 0.000 0.000 1.190
C3 0.000 1.454 -0.768
C4 1.259 -0.727 -0.768
C5 -1.259 -0.727 -0.768
N6 0.000 0.000 2.345
H7 0.000 1.465 -1.860
H8 1.269 -0.733 -1.860
H9 -1.269 -0.733 -1.860
H10 -0.885 1.987 -0.416
H11 0.885 1.987 -0.416
H12 2.163 -0.227 -0.416
H13 1.278 -1.760 -0.416
H14 -1.278 -1.760 -0.416
H15 -2.163 -0.227 -0.416

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.46751.53421.53421.53422.62222.15712.15712.15712.17942.17942.17942.17942.17942.1794
C21.46752.43872.43872.43871.15473.38423.38423.38422.70412.70412.70412.70412.70412.7041
C31.53422.43872.51782.51783.43541.09262.75382.75381.09121.09122.76183.47613.47612.7618
C41.53422.43872.51782.51783.43542.75381.09262.75383.47612.76181.09121.09122.76183.4761
C51.53422.43872.51782.51783.43542.75382.75381.09262.76183.47613.47612.76181.09121.0912
N62.62221.15473.43543.43543.43544.45324.45324.45323.51503.51503.51503.51503.51503.5150
H72.15713.38421.09262.75382.75384.45322.53792.53791.77201.77203.10293.75753.75753.1029
H82.15713.38422.75381.09262.75384.45322.53792.53793.75753.10291.77201.77203.10293.7575
H92.15713.38422.75382.75381.09264.45322.53792.53793.10293.75753.75753.10291.77201.7720
H102.17942.70411.09123.47612.76183.51501.77203.75753.10291.76963.76714.32613.76722.5565
H112.17942.70411.09122.76183.47613.51501.77203.10293.75751.76962.55653.76724.32613.7671
H122.17942.70412.76181.09123.47613.51503.10291.77203.75753.76712.55651.76963.76714.3261
H132.17942.70413.47611.09122.76183.51503.75751.77203.10294.32613.76721.76962.55653.7671
H142.17942.70413.47612.76181.09123.51503.75753.10291.77203.76724.32613.76712.55651.7696
H152.17942.70412.76183.47611.09123.51503.10293.75751.77202.55653.76714.32613.76711.7696

picture of Propanenitrile, 2,2-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N6 180.000 C1 C3 H7 109.257
C1 C3 H10 111.101 C1 C3 H11 111.101
C1 C4 H8 109.257 C1 C4 H12 111.101
C1 C4 H13 111.101 C1 C5 H9 109.257
C1 C5 H14 111.101 C1 C5 H15 111.101
C2 C1 C3 108.649 C2 C1 C4 108.649
C2 C1 C5 108.649 C3 C1 C4 110.281
C3 C1 C5 110.281 C4 C1 C5 110.281
H7 C3 H10 108.471 H7 C3 H11 108.471
H8 C4 H12 108.471 H8 C4 H13 108.471
H9 C5 H14 108.471 H9 C5 H15 108.471
H10 C3 H11 108.363 H12 C4 H13 108.363
H14 C5 H15 108.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.009      
2 C 0.298      
3 C -0.408      
4 C -0.408      
5 C -0.408      
6 N -0.355      
7 H 0.133      
8 H 0.133      
9 H 0.133      
10 H 0.146      
11 H 0.146      
12 H 0.146      
13 H 0.146      
14 H 0.146      
15 H 0.146      


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 -3.952 3.952
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.918 0.000 0.000
y 0.000 -35.918 0.000
z 0.000 0.000 -46.446
Traceless
 xyz
x 5.264 0.000 0.000
y 0.000 5.264 0.000
z 0.000 0.000 -10.528
Polar
3z2-r2-21.056
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 7.760 0.000 0.000
y 0.000 7.761 -0.000
z 0.000 -0.000 9.738


<r2> (average value of r2) Å2
<r2> 166.972
(<r2>)1/2 12.922