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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-323.580684
Energy at 298.15K-323.589622
HF Energy-323.580684
Nuclear repulsion energy244.333407
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 B97D3/6-31+G**
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 3664 3601 39.54      
2 A 3537 3476 15.37      
3 A 3096 3042 25.47      
4 A 3082 3029 23.68      
5 A 3015 2963 27.77      
6 A 3002 2951 21.25      
7 A 2949 2899 48.34      
8 A 1775 1744 527.08      
9 A 1598 1571 119.21      
10 A 1493 1467 1.09      
11 A 1478 1452 5.19      
12 A 1462 1437 7.44      
13 A 1399 1375 7.01      
14 A 1374 1350 21.22      
15 A 1293 1270 371.57      
16 A 1278 1256 7.96      
17 A 1147 1128 4.60      
18 A 1121 1102 9.05      
19 A 1064 1046 15.45      
20 A 1042 1024 170.44      
21 A 962 946 22.66      
22 A 829 815 9.33      
23 A 823 809 1.64      
24 A 733 720 21.34      
25 A 558 548 19.40      
26 A 536 526 4.37      
27 A 517 509 77.26      
28 A 380 373 90.29      
29 A 365 359 44.67      
30 A 252 247 0.37      
31 A 208 204 2.53      
32 A 100 99 1.16      
33 A 84 83 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 23106.2 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 22708.8 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 B97D3/6-31+G**
ABC
0.28951 0.06963 0.05748

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.577 -0.249 0.040
H2 2.714 -0.861 -0.860
H3 3.396 0.481 0.097
H4 2.628 -0.903 0.919
C5 1.243 0.480 -0.005
H6 1.091 1.087 0.901
H7 1.194 1.137 -0.890
O8 0.202 -0.525 -0.090
N9 -1.409 1.169 0.073
H10 -0.772 1.862 -0.296
H11 -2.393 1.380 -0.034
C12 -1.122 -0.184 -0.011
O13 -1.974 -1.056 0.028

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09701.09871.09691.52082.17542.16782.39464.23083.97275.23063.69964.6218
H21.09701.78351.78122.16663.08682.51082.64914.68964.45935.63823.98664.7755
H31.09871.78351.78382.15602.51552.50153.35434.85454.40855.86024.56815.5862
H41.09691.78121.78382.16452.51453.08112.65454.61614.54775.59753.92964.6896
C51.52082.16662.15602.16451.10071.10391.44942.74112.46043.74572.45613.5646
H62.17543.08682.51552.51451.10071.79522.09062.63512.34593.61912.71003.8400
H72.16782.51082.50153.08111.10391.79522.09442.77552.17773.69562.80713.9605
O82.39462.64913.35432.65451.44942.09062.09442.34342.58663.21981.36912.2427
N94.23084.68964.85454.61612.74112.63512.77552.34341.01151.01191.38602.2958
H103.97274.45934.40854.54772.46042.34592.17772.58661.01151.71172.09593.1729
H115.23065.63825.86025.59753.74573.61913.69563.21981.01191.71172.01612.4728
C123.69963.98664.56813.92962.45612.71002.80711.36911.38602.09592.01611.2195
O134.62184.77555.58624.68963.56463.84003.96052.24272.29583.17292.47281.2195

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.154 C1 C5 H7 110.108
C1 C5 O8 107.797 H2 C1 H3 108.585
H2 C1 H4 108.460 H2 C1 C5 110.606
H3 C1 H4 108.632 H3 C1 C5 110.106
H4 C1 C5 110.394 C5 O8 C12 122.298
H6 C5 H7 108.679 H6 C5 O8 109.472
H7 C5 O8 109.615 O8 C12 N9 117.126
O8 C12 O13 119.709 N9 C12 O13 123.164
H10 N9 H11 114.733 H10 N9 C12 120.335
H11 N9 C12 112.977
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.634      
2 H 0.176      
3 H 0.156      
4 H 0.179      
5 C -0.004      
6 H 0.161      
7 H 0.135      
8 O -0.337      
9 N -0.585      
10 H 0.286      
11 H 0.328      
12 C 0.615      
13 O -0.476      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.619 4.500 -0.605 5.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.174 -6.139 1.036
y -6.139 -36.747 -1.487
z 1.036 -1.487 -36.837
Traceless
 xyz
x 0.618 -6.139 1.036
y -6.139 -0.241 -1.487
z 1.036 -1.487 -0.376
Polar
3z2-r2-0.753
x2-y20.573
xy-6.139
xz1.036
yz-1.487


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.047 0.359 -0.073
y 0.359 8.267 -0.013
z -0.073 -0.013 6.057


<r2> (average value of r2) Å2
<r2> 195.339
(<r2>)1/2 13.976