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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-323.718091
Energy at 298.15K-323.727174
Nuclear repulsion energy246.756737
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/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 A 3759 3602 50.77      
2 A 3631 3480 27.68      
3 A 3168 3036 18.98      
4 A 3160 3028 16.99      
5 A 3090 2961 20.48      
6 A 3073 2944 13.89      
7 A 3027 2900 38.65      
8 A 1838 1762 577.75      
9 A 1620 1552 150.42      
10 A 1501 1439 0.83      
11 A 1480 1418 2.88      
12 A 1462 1401 7.00      
13 A 1421 1362 16.10      
14 A 1390 1332 109.59      
15 A 1350 1294 266.08      
16 A 1300 1245 0.95      
17 A 1170 1121 4.15      
18 A 1160 1111 41.60      
19 A 1126 1079 82.76      
20 A 1090 1045 36.00      
21 A 1004 962 16.79      
22 A 871 834 10.67      
23 A 833 798 0.57      
24 A 777 745 22.18      
25 A 576 552 17.84      
26 A 558 534 4.78      
27 A 531 509 42.68      
28 A 382 366 2.23      
29 A 321 308 149.64      
30 A 253 243 0.54      
31 A 217 208 3.12      
32 A 111 107 1.27      
33 A 93 89 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 23669.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 22682.6 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/aug-cc-pVDZ
ABC
0.29565 0.07114 0.05871

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.552 -0.244 0.029
H2 2.683 -0.858 -0.870
H3 3.366 0.490 0.073
H4 2.621 -0.895 0.908
C5 1.221 0.469 -0.001
H6 1.083 1.079 0.904
H7 1.161 1.124 -0.886
O8 0.198 -0.526 -0.068
N9 -1.387 1.158 0.061
H10 -0.729 1.851 -0.255
H11 -2.364 1.383 -0.041
C12 -1.109 -0.183 -0.008
O13 -1.959 -1.041 0.020

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09571.09681.09561.51042.16212.15472.37334.18193.90315.17873.66204.5812
H21.09571.78041.77902.15663.07472.49822.63234.63654.39905.58353.94684.7301
H31.09681.78041.78052.14572.49982.48573.32994.79974.32705.79964.52575.5409
H41.09561.77901.78052.15512.50203.06942.63824.58234.48435.56183.90614.6676
C51.51042.15662.14572.15511.09951.10231.42902.69882.40333.69992.41983.5208
H62.16213.07472.49982.50201.09951.79162.07402.61102.28473.58642.68803.8114
H72.15472.49822.48573.06941.10231.79162.07802.71902.12093.63412.76263.9042
O82.37332.63233.32992.63821.42902.07402.07802.31632.55743.19451.35242.2193
N94.18194.63654.79974.58232.69882.61102.71902.31631.00631.00711.37132.2728
H103.90314.39904.32704.48432.40332.28472.12092.55741.00631.71392.08323.1544
H115.17875.58355.79965.56183.69993.58643.63413.19451.00711.71392.00662.4582
C123.66203.94684.52573.90612.41982.68802.76261.35241.37132.08322.00661.2083
O134.58124.73015.54094.66763.52083.81143.90422.21932.27283.15442.45821.2083

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.899 C1 C5 H7 110.139
C1 C5 O8 107.656 H2 C1 H3 108.598
H2 C1 H4 108.555 H2 C1 C5 110.690
H3 C1 H4 108.612 H3 C1 C5 109.760
H4 C1 C5 110.570 C5 O8 C12 120.890
H6 C5 H7 108.917 H6 C5 O8 109.532
H7 C5 O8 109.681 O8 C12 N9 116.513
O8 C12 O13 120.041 N9 C12 O13 123.415
H10 N9 H11 116.692 H10 N9 C12 121.609
H11 N9 C12 114.194
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.210      
2 H -0.080      
3 H -0.074      
4 H -0.078      
5 C 1.071      
6 H -0.325      
7 H -0.386      
8 O -0.555      
9 N -0.024      
10 H 0.024      
11 H -0.038      
12 C 0.811      
13 O -0.555      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.669 4.422 -0.517 5.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.311 -6.182 0.841
y -6.182 -36.341 -1.220
z 0.841 -1.220 -36.462
Traceless
 xyz
x 0.091 -6.182 0.841
y -6.182 0.045 -1.220
z 0.841 -1.220 -0.136
Polar
3z2-r2-0.272
x2-y20.030
xy-6.182
xz0.841
yz-1.220


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.111 0.250 -0.038
y 0.250 8.363 -0.007
z -0.038 -0.007 6.327


<r2> (average value of r2) Å2
<r2> 191.672
(<r2>)1/2 13.845