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 C7H7 (cycloheptatrienyl radical)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 2A2
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-270.830613
Energy at 298.15K 
HF Energy-270.830613
Nuclear repulsion energy258.309049
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 mPW1PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3227 3070 3.81      
2 A1 3215 3059 42.06      
3 A1 3184 3029 3.58      
4 A1 3177 3023 7.73      
5 A1 1663 1583 2.79      
6 A1 1566 1490 10.45      
7 A1 1486 1414 4.82      
8 A1 1293 1230 0.90      
9 A1 1201 1143 2.24      
10 A1 977 929 2.01      
11 A1 917 873 0.85      
12 A1 861 819 0.22      
13 A1 445 423 0.27      
14 A2 1000 951 0.00      
15 A2 849 808 0.00      
16 A2 762 725 0.00      
17 A2 567 540 0.00      
18 A2 155 147 0.00      
19 B1 1014 965 0.00      
20 B1 989 941 0.42      
21 B1 774 736 0.86      
22 B1 655 624 61.82      
23 B1 515 490 38.11      
24 B1 288 274 0.00      
25 B2 3219 3063 32.51      
26 B2 3201 3046 19.65      
27 B2 3178 3024 5.81      
28 B2 1670 1589 9.09      
29 B2 1496 1423 3.26      
30 B2 1418 1349 0.01      
31 B2 1312 1248 0.00      
32 B2 1255 1194 1.45      
33 B2 989 941 3.34      
34 B2 908 864 1.39      
35 B2 417 397 0.30      
36 B2 57i 54i 7.74      

Unscaled Zero Point Vibrational Energy (zpe) 24891.5 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 23684.2 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 mPW1PW91/6-31G**
ABC
0.12444 0.12441 0.06221

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.608
C2 0.000 1.261 1.021
C3 0.000 -1.261 1.021
C4 0.000 1.567 -0.378
C5 0.000 -1.567 -0.378
C6 0.000 0.725 -1.447
C7 0.000 -0.725 -1.447
H8 0.000 0.000 2.697
H9 0.000 2.112 1.694
H10 0.000 -2.112 1.694
H11 0.000 2.629 -0.612
H12 0.000 -2.629 -0.612
H13 0.000 1.188 -2.429
H14 0.000 -1.188 -2.429

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.39141.39142.52962.52963.14013.14011.08842.11362.11363.44133.44134.20894.2089
C21.39142.52251.43133.15492.52513.16782.09761.08473.43962.13014.21913.45084.2311
C31.39142.52253.15491.43133.16782.52512.09763.43961.08474.21912.13014.23113.4508
C42.52961.43133.15493.13381.36072.52943.45062.14184.22181.08774.20252.08643.4351
C52.52963.15491.43133.13382.52941.36073.45064.22182.14184.20251.08773.43512.0864
C63.14012.52513.16781.36072.52941.45074.20673.43304.23242.07863.45671.08602.1510
C73.14013.16782.52512.52941.36071.45074.20674.23243.43303.45672.07862.15101.0860
H81.08842.09762.09763.45063.45064.20674.20672.33802.33804.22624.22625.26205.2620
H92.11361.08473.43962.14184.22183.43304.23242.33804.22372.36325.27194.22535.2810
H102.11363.43961.08474.22182.14184.23243.43302.33804.22375.27192.36325.28104.2253
H113.44132.13014.21911.08774.20252.07863.45674.22622.36325.27195.25812.31914.2276
H123.44134.21912.13014.20251.08773.45672.07864.22625.27192.36325.25814.22762.3191
H134.20893.45084.23112.08643.43511.08602.15105.26204.22535.28102.31914.22762.3763
H144.20894.23113.45083.43512.08642.15101.08605.26205.28104.22534.22762.31912.3763

picture of cycloheptatrienyl radical state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.084      
2 C -0.162      
3 C -0.162      
4 C -0.100      
5 C -0.100      
6 C -0.135      
7 C -0.135      
8 H 0.129      
9 H 0.122      
10 H 0.122      
11 H 0.128      
12 H 0.128      
13 H 0.125      
14 H 0.125      


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 -0.038 0.038
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.232 0.000 0.000
y 0.000 -36.061 0.000
z 0.000 0.000 -36.065
Traceless
 xyz
x -9.169 0.000 0.000
y 0.000 4.588 0.000
z 0.000 0.000 4.582
Polar
3z2-r29.163
x2-y2-9.172
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.698 0.000 0.000
y 0.000 13.275 0.000
z 0.000 0.000 13.287


<r2> (average value of r2) Å2
<r2> 185.281
(<r2>)1/2 13.612