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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-323.656154
Energy at 298.15K-323.665126
Nuclear repulsion energy243.015190
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 BLYP/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 3545 3551 23.58      
2 A 3431 3436 7.80      
3 A 3047 3052 23.28      
4 A 3038 3043 22.22      
5 A 2966 2971 17.20      
6 A 2963 2967 28.42      
7 A 2893 2898 50.45      
8 A 1775 1778 400.74      
9 A 1552 1554 94.29      
10 A 1453 1455 0.50      
11 A 1434 1436 2.94      
12 A 1414 1417 5.10      
13 A 1365 1367 5.45      
14 A 1345 1348 9.82      
15 A 1268 1270 295.17      
16 A 1248 1250 10.01      
17 A 1124 1126 4.35      
18 A 1104 1106 9.53      
19 A 1051 1053 20.13      
20 A 1023 1024 163.21      
21 A 945 946 38.44      
22 A 815 817 13.62      
23 A 810 811 2.98      
24 A 729 730 27.43      
25 A 561 562 77.58      
26 A 536 536 53.21      
27 A 527 527 1.86      
28 A 408 409 61.22      
29 A 361 362 3.14      
30 A 253 253 0.64      
31 A 207 207 1.99      
32 A 110 110 1.25      
33 A 84 85 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 22692.0 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 22728.3 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 BLYP/cc-pVDZ
ABC
0.28504 0.06915 0.05708

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.585 -0.247 0.050
H2 2.736 -0.858 -0.861
H3 3.413 0.486 0.125
H4 2.629 -0.919 0.930
C5 1.242 0.479 -0.003
H6 1.074 1.088 0.912
H7 1.205 1.160 -0.887
O8 0.205 -0.534 -0.116
N9 -1.403 1.182 0.090
H10 -0.786 1.843 -0.390
H11 -2.398 1.384 -0.036
C12 -1.131 -0.186 -0.013
O13 -1.984 -1.058 0.037

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.10791.10891.10781.52742.19242.18212.40344.23643.99125.24363.71744.6402
H21.10791.79941.79532.18113.11332.53332.65904.71184.46425.66284.01634.8091
H31.10891.79941.79992.17482.54052.52063.37574.86634.44345.88224.59635.6144
H41.10781.79531.79992.17912.53903.10632.66824.62344.58665.61303.94544.7004
C51.52742.18112.17482.17911.11141.11591.45482.73862.47513.75102.46523.5737
H62.19243.11332.54052.53901.11141.80432.10752.61102.39283.61082.70933.8362
H72.18212.53332.52063.10631.11591.80432.11272.78472.16313.70832.83413.9921
O82.40342.65903.37572.66821.45482.10752.11272.36062.59013.23391.38442.2554
N94.23644.71184.86634.62342.73862.61102.78472.36061.02331.02301.39892.3146
H103.99124.46424.44344.58662.47512.39282.16312.59011.02331.71222.09263.1671
H115.24365.66285.88225.61303.75103.61083.70833.23391.02301.71222.01742.4777
C123.71744.01634.59633.94542.46522.70932.83411.38441.39892.09262.01741.2201
O134.64024.80915.61444.70043.57373.83623.99212.25542.31463.16712.47771.2201

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.394 C1 C5 H7 110.313
C1 C5 O8 107.374 H2 C1 H3 108.528
H2 C1 H4 108.247 H2 C1 C5 110.705
H3 C1 H4 108.581 H3 C1 C5 110.157
H4 C1 C5 110.555 C5 O8 C12 120.497
H6 C5 H7 108.218 H6 C5 O8 109.701
H7 C5 O8 109.838 O8 C12 N9 116.019
O8 C12 O13 119.850 N9 C12 O13 124.063
H10 N9 H11 113.593 H10 N9 C12 118.700
H11 N9 C12 111.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 H 0.026      
3 H 0.009      
4 H 0.028      
5 C 0.085      
6 H 0.015      
7 H 0.005      
8 O -0.220      
9 N -0.074      
10 H 0.081      
11 H 0.093      
12 C 0.150      
13 O -0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.049 3.936 -0.681 4.489
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.415 -5.524 1.130
y -5.524 -35.951 -1.580
z 1.130 -1.580 -35.980
Traceless
 xyz
x 0.550 -5.524 1.130
y -5.524 -0.253 -1.580
z 1.130 -1.580 -0.297
Polar
3z2-r2-0.594
x2-y20.535
xy-5.524
xz1.130
yz-1.580


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.462 0.228 -0.096
y 0.228 7.325 -0.131
z -0.096 -0.131 5.077


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000