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All results from a given calculation for C4H5N ((Z)-2-Butenenitrile)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-209.891162
Energy at 298.15K-209.895619
Nuclear repulsion energy140.551443
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/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 A 3120 3102 3.90      
2 A 3096 3078 7.57      
3 A 3074 3057 0.72      
4 A 2965 2948 7.96      
5 A 2244 2231 10.56      
6 A 1648 1638 15.66      
7 A 1403 1395 14.42      
8 A 1363 1355 7.43      
9 A 1325 1317 3.82      
10 A 1210 1203 0.48      
11 A 1082 1075 0.03      
12 A 948 943 17.36      
13 A 899 894 4.04      
14 A 648 644 1.67      
15 A 380 378 0.17      
16 A 151 150 3.79      
17 A 3027 3010 5.93      
18 A 1398 1390 8.62      
19 A 1009 1004 0.01      
20 A 941 936 0.41      
21 A 722 718 30.90      
22 A 517 514 3.23      
23 A 281 279 2.67      
24 A 164 163 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 16807.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 16710.0 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/cc-pVDZ
ABC
0.39896 0.11339 0.08979

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.225 0.256 0.000
N2 -2.242 -0.339 0.000
C3 0.000 0.993 0.000
H4 -0.095 2.090 0.000
C5 1.223 0.406 0.000
H6 2.099 1.077 0.000
C7 1.492 -1.062 0.000
H8 0.560 -1.658 0.000
H9 2.097 -1.346 0.888
H10 2.097 -1.346 -0.888

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.17861.42962.15402.45213.42353.01972.61703.79333.7933
N21.17862.60813.24183.54414.56613.80363.09684.54204.5420
C31.42962.60811.10101.35632.10052.53992.71013.26483.2648
H42.15403.24181.10102.13842.41693.52953.80534.17174.1717
C52.45213.54411.35632.13841.10331.49302.16862.15032.1503
H63.42354.56612.10052.41691.10332.22353.13872.58072.5807
C73.01973.80362.53993.52951.49302.22351.10671.11121.1112
H82.61703.09682.71013.80532.16863.13871.10671.80251.8025
H93.79334.54203.26484.17172.15032.58071.11121.80251.7756
H103.79334.54203.26484.17172.15032.58071.11121.80251.7756

picture of (Z)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.076 C1 C3 C5 123.306
N2 C1 C3 179.273 C3 C5 H6 116.923
C3 C5 C7 126.039 H4 C3 C5 120.619
C5 C7 H8 112.200 C5 C7 H9 110.464
C5 C7 H10 110.464 H6 C5 C7 117.038
H8 C7 H9 108.719 H8 C7 H10 108.719
H9 C7 H10 106.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.059      
2 N -0.120      
3 C 0.007      
4 H 0.040      
5 C -0.059      
6 H 0.017      
7 C -0.016      
8 H 0.062      
9 H 0.063      
10 H 0.063      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.814 0.989 0.000 3.940
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.388 -2.369 0.000
y -2.369 -27.121 0.000
z 0.000 0.000 -30.639
Traceless
 xyz
x -5.508 -2.369 0.000
y -2.369 5.393 0.000
z 0.000 0.000 0.116
Polar
3z2-r20.231
x2-y2-7.267
xy-2.369
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.618 -0.140 0.000
y -0.140 6.931 0.000
z 0.000 0.000 4.022


<r2> (average value of r2) Å2
<r2> 127.582
(<r2>)1/2 11.295